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Adrian Kent

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Adrian Kent is a British theoretical physicist, Professor of Quantum Physics at the <a href="University_of_Cambridge" title="University of Cambridge">University of Cambridge</a>, member of the <a href="Centre_for_Quantum_Information_and_Foundations" class="mw-redirect" title="Centre for Quantum Information and Foundations">Centre for Quantum Information and Foundations</a>, and Distinguished Visiting Research Chair at the <a href="Perimeter_Institute_for_Theoretical_Physics" title="Perimeter Institute for Theoretical Physics">Perimeter Institute for Theoretical Physics</a>.<a href="#cite_note-1">[1]</a><a href="#cite_note-2">[2]</a><a href="#cite_note-3">[3]</a> His research areas are the <a href="Quantum_foundations" title="Quantum foundations">foundations of quantum theory</a>, <a href="Quantum_information_science" title="Quantum information science">quantum information science</a> and <a href="Quantum_cryptography" title="Quantum cryptography">quantum cryptography</a>. He is known as the inventor of <a href="Relativistic_quantum_cryptography" title="Relativistic quantum cryptography">relativistic quantum cryptography</a>. In 1999 he published the first <a href="Information-theoretic_security" title="Information-theoretic security">unconditionally secure</a> protocols for <a href="Bit_commitment" class="mw-redirect" title="Bit commitment">bit commitment</a> and <a href="Quantum_coin_flipping" title="Quantum coin flipping">coin tossing</a>, which were also the first relativistic cryptographic protocols.<a href="#cite_note-Kent99commitment-4">[4]</a><a href="#cite_note-Kent99cointossing-5">[5]</a> He is a co-inventor of quantum tagging, or quantum position authentication, providing the first schemes for position-based quantum cryptography.<a href="#cite_note-kent06patent-6">[6]</a><a href="#cite_note-kent10first-7">[7]</a> In 2005 he published with <a href="Lucien_Hardy" title="Lucien Hardy">Lucien Hardy</a> and Jonathan Barrett the first security proof of <a href="Quantum_key_distribution" title="Quantum key distribution">quantum key distribution</a> based on the <a href="No-communication_theorem" title="No-communication theorem">no-signalling principle</a>.<a href="#cite_note-QKDNS-8">[8]</a>

<div class="mw-heading mw-heading3"><h3 id="Field_theory">Field theory</h3></div>

Kent's early contributions to physics were on topics related to <a href="Conformal_field_theory" title="Conformal field theory">conformal field theory</a>. Together with <a href="Peter_Goddard_(physicist)" title="Peter Goddard (physicist)">Peter Goddard</a> and <a href="David_Olive" title="David Olive">David Olive</a>, he devised the <a href="Coset_construction" title="Coset construction">coset construction</a> that classifies the unitary highest weight representations of the <a href="Virasoro_algebra" title="Virasoro algebra">Virasoro algebra</a>, and he described the Virasoro algebra's singular vectors.<a href="#cite_note-9">[9]</a> In addition, he investigated the representation theory of <math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle N=2}">

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<div class="mw-heading mw-heading3"><h3 id="Quantum_cryptography">Quantum cryptography</h3></div>

Kent is inventor of the field of <a href="Relativistic_quantum_cryptography" title="Relativistic quantum cryptography">relativistic quantum cryptography</a>, where security of the cryptographic tasks is guaranteed from the properties of <a href="Quantum_information" title="Quantum information">quantum information</a> and from the relativistic physical principle stating that information cannot travel faster than the <a href="Speed_of_light" title="Speed of light">speed of light</a> (<a href="No-communication_theorem" title="No-communication theorem">no-signalling</a>). In 1999 he published the first <a href="Information-theoretic_security" title="Information-theoretic security">unconditionally secure</a> protocols for <a href="Bit_commitment" class="mw-redirect" title="Bit commitment">bit commitment</a> and <a href="Quantum_coin_flipping" title="Quantum coin flipping">strong coin tossing</a>,<a href="#cite_note-Kent99commitment-4">[4]</a><a href="#cite_note-Kent99cointossing-5">[5]</a> relativistic protocols that evade no-go theorem by Mayers, Lo and Chau, and by Lo and Chau, respectively.<a href="#cite_note-mayers97commitment-11">[11]</a><a href="#cite_note-lochau97commitment-12">[12]</a><a href="#cite_note-lochau98cointossing-13">[13]</a> He is a co-inventor of quantum tagging, or quantum position authentication, where the properties of quantum information and the no-signalling principle are used to authenticate the location of an object.<a href="#cite_note-kent06patent-6">[6]</a><a href="#cite_note-kent10first-7">[7]</a>

He published with <a href="Lucien_Hardy" title="Lucien Hardy">Lucien Hardy</a> and Jonathan Barrett the first security proof for <a href="Quantum_key_distribution" title="Quantum key distribution">quantum key distribution</a> based on the <a href="No-communication_theorem" title="No-communication theorem">no-signalling principle</a>, where two parties can generate a secure secret <a href="Key_(cryptography)" title="Key (cryptography)">key</a> even if their devices are not trusted and they are not described by <a href="Quantum_mechanics" title="Quantum mechanics">quantum theory</a>, as long as they satisfy the <a href="No-communication_theorem" title="No-communication theorem">no-signalling principle</a>. With Roger Colbeck, he invented quantum randomness expansion, a task where an initial private random string is expanded into a larger private random string.<a href="#cite_note-ColbeckKentrandomnessexpansion-14">[14]</a>

<div class="mw-heading mw-heading3"><h3 id="Quantum_foundations">Quantum foundations</h3></div>

Kent is a critic of the <a href="Many-worlds_interpretation" title="Many-worlds interpretation">many-worlds interpretation</a> of <a href="Quantum_mechanics" title="Quantum mechanics">quantum mechanics</a>,<a href="#cite_note-Kentoneworld-15">[15]</a><a href="#cite_note-Bacciagaluppi-16">[16]</a> as well as the <a href="Consistent_histories_interpretation" class="mw-redirect" title="Consistent histories interpretation">consistent histories interpretation</a>.<a href="#cite_note-17">[17]</a> He has outlined a solution to the quantum reality problem, also called the <a href="Quantum_measurement_problem" class="mw-redirect" title="Quantum measurement problem">quantum measurement problem</a>, that is consistent with <a href="Relativistic_quantum_theory" class="mw-redirect" title="Relativistic quantum theory">relativistic quantum theory</a>, proposing that physical reality is described by a randomly chosen configuration of physical quantities (or beables) like the <a href="Stress%E2%80%93energy_tensor" title="Stress–energy tensor">stress–energy tensor</a>, whose sample space is mathematically well defined and respects Lorentzian symmetry.<a href="#cite_note-Kentlorentzianreality-18">[18]</a> He has proposed Causal Quantum Theory as an extension of quantum theory, according to which <a href="Principle_of_locality" title="Principle of locality">local causality</a> holds and the <a href="Wave_function_collapse" title="Wave function collapse">reduction of the quantum state</a> is a well-defined physical process, claiming that current <a href="Bell_test_experiments" class="mw-redirect" title="Bell test experiments">Bell-type experiments</a> have not completely ruled out this theory.<a href="#cite_note-Kentcausalquantumtheory-19">[19]</a> He discovered the no-summoning theorem, which extends the <a href="No-cloning_theorem" title="No-cloning theorem">no-cloning theorem</a> of <a href="Quantum_information" title="Quantum information">quantum information</a> to <a href="Minkowski_space" title="Minkowski space">Minkowski spacetime</a>.<a href="#cite_note-Kentnosummoning-20">[20]</a>

<div class="mw-heading mw-heading3"><h3 id="Other_work">Other work</h3></div>

Kent is a member of the advisory panel for the Cambridge <a href="Centre_for_the_Study_of_Existential_Risk" title="Centre for the Study of Existential Risk">Centre for the Study of Existential Risk</a>.<a href="#cite_note-21">[21]</a> He has discussed the mathematics of risk assessments for global catastrophes.<a href="#cite_note-Kentglobalcatastrophes-22">[22]</a> He has proposed a solution to <a href="Fermi_paradox" title="Fermi paradox">Fermi’s paradox</a>, hypothesizing that various intelligent extra-terrestrial civilizations have existed, interacted and competed for resources, and have evolved to avoid advertising their existence.<a href="#cite_note-Kentquiet-23">[23]</a><a href="#cite_note-24">[24]</a>

<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>

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<li id="cite_note-1"><a href="#cite_ref-1">^</a> <a rel="nofollow" class="external text" href="http://www.damtp.cam.ac.uk/people/a.p.a.kent/">Adrian Kent, University of Cambridge</a>

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<li id="cite_note-2"><a href="#cite_ref-2">^</a> <a rel="nofollow" class="external text" href="http://www.qi.damtp.cam.ac.uk/node/18">Adrian Kent, Centre for Quantum Information and Foundations</a>

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<li id="cite_note-3"><a href="#cite_ref-3">^</a> <a rel="nofollow" class="external text" href="https://www.perimeterinstitute.ca/people/adrian-kent">Adrian Kent, Perimeter Institute</a>

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</style><cite id="CITEREFKent1999" class="citation journal cs1">Kent, Adrian (1999). "Unconditionally Secure Bit Commitment". <a href="Physical_Review_Letters" title="Physical Review Letters">Physical Review Letters</a>. 83 (7): 1447–1450. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/9810068">quant-ph/9810068</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1999PhRvL..83.1447K">1999PhRvL..83.1447K</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.83.1447">10.1103/PhysRevLett.83.1447</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:8823466">8823466</a>.</cite>

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<cite id="CITEREFKent1999" class="citation journal cs1">Kent, Adrian (1999). "Coin Tossing is Strictly Weaker than Bit Commitment". <a href="Physical_Review_Letters" title="Physical Review Letters">Physical Review Letters</a>. 83 (25): 5382–5384. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/9810067">quant-ph/9810067</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1999PhRvL..83.5382K">1999PhRvL..83.5382K</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.83.5382">10.1103/PhysRevLett.83.5382</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:16764407">16764407</a>.</cite>

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</style><a rel="nofollow" class="external text" href="https://worldwide.espacenet.com/textdoc?DB=EPODOC&IDX=US7075438">US 7075438</a>, Kent, A.; Beausoleil, R. & Munro, W. et al., "Tagging Systems", issued 11 July 2006

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<cite id="CITEREFKentMunroSpiller2011" class="citation journal cs1">Kent, A.; Munro, William J.; Spiller, Timothy P. (2011). "Quantum Tagging: Authenticating location via quantum information and relativistic signalling constraints". <a href="Physical_Review_A" title="Physical Review A">Physical Review A</a>. 84 (1): 012326. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/1008.2147">1008.2147</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2011PhRvA..84a2326K">2011PhRvA..84a2326K</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevA.84.012326">10.1103/PhysRevA.84.012326</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:1042757">1042757</a>.</cite>

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<cite id="CITEREFBarrettHardyKent2005" class="citation journal cs1">Barrett, Jonathan; <a href="Lucien_Hardy" title="Lucien Hardy">Hardy, Lucien</a>; Kent, Adrian (2005). "No Signaling and Quantum Key Distribution". <a href="Physical_Review_Letters" title="Physical Review Letters">Physical Review Letters</a>. 95 (1): 010503. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/0405101">quant-ph/0405101</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2005PhRvL..95a0503B">2005PhRvL..95a0503B</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.95.010503">10.1103/PhysRevLett.95.010503</a>. <a href="PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/16090597">16090597</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:10172188">10172188</a>.</cite>

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<li id="cite_note-9"><a href="#cite_ref-9">^</a> <cite id="CITEREFGoddardKentOlive1986" class="citation journal cs1"><a href="Peter_Goddard_(physicist)" title="Peter Goddard (physicist)">Goddard, Peter</a>; Kent, Adrian; <a href="David_Olive" title="David Olive">Olive, David</a> (1986). <a rel="nofollow" class="external text" href="https://projecteuclid.org/euclid.cmp/1104114626">"Unitary representations of the Virasoro and super-Virasoro algebras"</a>. <a href="Communications_in_Mathematical_Physics" title="Communications in Mathematical Physics">Communications in Mathematical Physics</a>. 103 (1): 105–119. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1986CMaPh.103..105G">1986CMaPh.103..105G</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2FBF01464283">10.1007/BF01464283</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:91181508">91181508</a>.</cite>

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<li id="cite_note-10"><a href="#cite_ref-10">^</a> <cite id="CITEREFBoucherFriedanKent1986" class="citation journal cs1">Boucher, Wayne; <a href="Daniel_Friedan" title="Daniel Friedan">Friedan, Daniel</a>; Kent, Adrian (1986). "Determinant formulae and unitarity for the N = 2 superconformal algebras in two dimensions or exact results on string compactification". <a href="Physics_Letters_B" class="mw-redirect" title="Physics Letters B">Physics Letters B</a>. 172 (1–2): 316–322. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1986PhLB..172..316B">1986PhLB..172..316B</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0370-2693%2886%2990260-1">10.1016/0370-2693(86)90260-1</a>.</cite>

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<cite id="CITEREFMayers1997" class="citation journal cs1">Mayers, Dominic (1997). "Unconditionally Secure Quantum Bit Commitment is Impossible". <a href="Physical_Review_Letters" title="Physical Review Letters">Physical Review Letters</a>. 78 (17): 3414–3417. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/9605044">quant-ph/9605044</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1997PhRvL..78.3414M">1997PhRvL..78.3414M</a>. <a href="CiteSeerX_(identifier)" class="mw-redirect" title="CiteSeerX (identifier)">CiteSeerX</a> <a rel="nofollow" class="external text" href="https://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.251.5550">10.1.1.251.5550</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.78.3414">10.1103/PhysRevLett.78.3414</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:14522232">14522232</a>.</cite>

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<cite id="CITEREFLoChau1997" class="citation journal cs1">Lo, Hoi-Kwong; Chau, H. F. (1997). "Is Quantum Bit Commitment Really Possible?". <a href="Physical_Review_Letters" title="Physical Review Letters">Physical Review Letters</a>. 78 (17): 3410–3413. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/9603004">quant-ph/9603004</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1997PhRvL..78.3410L">1997PhRvL..78.3410L</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.78.3410">10.1103/PhysRevLett.78.3410</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:3264257">3264257</a>.</cite>

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<cite id="CITEREFLoChau1998" class="citation journal cs1">Lo, Hoi-Kwong; Chau, H. F. (1998). "Why quantum bit commitment and ideal quantum coin tossing are impossible". <a href="Physica_D%3A_Nonlinear_Phenomena" class="mw-redirect" title="Physica D: Nonlinear Phenomena">Physica D: Nonlinear Phenomena</a>. 120 (1–2): 177–187. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/9711065">quant-ph/9711065</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1998PhyD..120..177L">1998PhyD..120..177L</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2FS0167-2789%2898%2900053-0">10.1016/S0167-2789(98)00053-0</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:14378275">14378275</a>.</cite>

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<cite id="CITEREFColbeckKent2011" class="citation journal cs1">Colbeck, Roger; Kent, Adrian (2011). "Private randomness expansion with untrusted devices". <a href="Journal_of_Physics_A%3A_Mathematical_and_Theoretical" class="mw-redirect" title="Journal of Physics A: Mathematical and Theoretical">Journal of Physics A: Mathematical and Theoretical</a>. 44 (9): 095305. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/1011.4474">1011.4474</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2011JPhA...44i5305C">2011JPhA...44i5305C</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1088%2F1751-8113%2F44%2F9%2F095305">10.1088/1751-8113/44/9/095305</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:118630851">118630851</a>.</cite>

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<li id="cite_note-Kentoneworld-15"><a href="#cite_ref-Kentoneworld_15-0">^</a> <cite id="CITEREFKent2010" class="citation book cs1">Kent, Adrian (2010). "One world versus many: the inadequacy of Everettian accounts of evolution, probability, and scientific confirmation". In Saunders, S.; Barrett, J.; Kent, A.; Wallace, D. (eds.). Many Worlds? Everett, Quantum Theory and Reality. Oxford University Press. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/0905.0624">0905.0624</a>.</cite>

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<cite id="CITEREFBacciagaluppi2013" class="citation journal cs1">Bacciagaluppi, G. (2013). "The many facets of Everett's many worlds". <a href="Metascience_(journal)" title="Metascience (journal)">Metascience</a>. 22 (3): 575–582. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2Fs11016-013-9747-9">10.1007/s11016-013-9747-9</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:169282065">169282065</a>.</cite>

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<li id="cite_note-17"><a href="#cite_ref-17">^</a> <cite id="CITEREFKent1997" class="citation journal cs1">Kent, Adrian (1997). "Consistent Sets Yield Contrary Inferences in Quantum Theory". <a href="Physical_Review_Letters" title="Physical Review Letters">Physical Review Letters</a>. 78 (15): 2874–2877. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/gr-qc/9604012">gr-qc/9604012</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1997PhRvL..78.2874K">1997PhRvL..78.2874K</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevLett.78.2874">10.1103/PhysRevLett.78.2874</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:16862775">16862775</a>.</cite>

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<cite id="CITEREFKent2014" class="citation journal cs1">Kent, Adrian (2014). "Solution to the Lorentzian quantum reality problem". <a href="Physical_Review_A" title="Physical Review A">Physical Review A</a>. 90 (1): 012107. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/1311.0249">1311.0249</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2014PhRvA..90a2107K">2014PhRvA..90a2107K</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevA.90.012107">10.1103/PhysRevA.90.012107</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:118540685">118540685</a>.</cite>

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<cite id="CITEREFKent2005" class="citation journal cs1">Kent, Adrian (2005). "Causal quantum theory and the collapse locality loophole". <a href="Physical_Review_A" title="Physical Review A">Physical Review A</a>. 72 (1): 012107. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/quant-ph/0204104">quant-ph/0204104</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2005PhRvA..72a2107K">2005PhRvA..72a2107K</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1103%2FPhysRevA.72.012107">10.1103/PhysRevA.72.012107</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:37937717">37937717</a>.</cite>

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<cite id="CITEREFKent2013" class="citation journal cs1">Kent, Adrian (2013). "A no-summoning theorem in relativistic quantum theory". <a href="Quantum_Information_Processing" class="mw-redirect" title="Quantum Information Processing">Quantum Information Processing</a>. 12 (2): 1023–1032. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/1101.4612">1101.4612</a>. <a href="Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2013QuIP...12.1023K">2013QuIP...12.1023K</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1007%2Fs11128-012-0431-6">10.1007/s11128-012-0431-6</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:9797730">9797730</a>.</cite>

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<li id="cite_note-21"><a href="#cite_ref-21">^</a> <a rel="nofollow" class="external text" href="https://www.cser.ac.uk/">Centre for the Study of Existential Risk</a>

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<cite id="CITEREFKent2004" class="citation journal cs1">Kent, Adrian (2004). "A critical look at risk assessments for global catastrophes". <a href="Risk_Analysis_(journal)" title="Risk Analysis (journal)">Risk Analysis</a>. 24 (1): 157–168. <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/hep-ph/0009204">hep-ph/0009204</a>. <a href="Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1111%2Fj.0272-4332.2004.00419.x">10.1111/j.0272-4332.2004.00419.x</a>. <a href="PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/15028008">15028008</a>. <a href="S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:24836816">24836816</a>.</cite>

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<cite id="CITEREFKent2011" class="citation arxiv cs1">Kent, Adrian (2011). "Too Damned Quiet?". <a href="ArXiv_(identifier)" class="mw-redirect" title="ArXiv (identifier)">arXiv</a>:<a rel="nofollow" class="external text" href="https://arxiv.org/abs/1104.0624">1104.0624</a> [<a rel="nofollow" class="external text" href="https://arxiv.org/archive/Popular">Physics Popular Physics</a>].</cite>

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<li id="cite_note-24"><a href="#cite_ref-24">^</a> <a rel="nofollow" class="external text" href="https://www.technologyreview.com/s/423585/interstellar-predation-could-explain-fermi-paradox/,">MIT Technology Review, Interstellar Predation Could Explain Fermi Paradox, 2011</a>

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<div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div>

<ul><li><a rel="nofollow" class="external text" href="http://www.damtp.cam.ac.uk/user/apak/">Personal website</a></li>

<li><a rel="nofollow" class="external text" href="http://www.damtp.cam.ac.uk/people/a.p.a.kent/">Faculty page at the University of Cambridge</a></li>

<li><a rel="nofollow" class="external text" href="https://scholar.google.com/citations?user=lee79YUAAAAJ">Adrian Kent</a> publications indexed by <a href="Google_Scholar" title="Google Scholar">Google Scholar</a></li></ul>

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