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69:, the theorem rules that pure quantum states must be "ontic" in the sense that they correspond directly to states of reality, rather than "epistemic" in the sense that they represent probabilistic or incomplete states of knowledge about reality.
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about an objective physical state of a system cannot reproduce the predictions of quantum theory. The result is in the same spirit as Bell’s theorem, which states that no local theory can reproduce the predictions of quantum
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epistemic "if there exist ontic states that are consistent with more than one pure quantum state." The PBR theorem proves that either the quantum state
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hidden variable theories, in which quantum states that are prepared independently have independent hidden variable descriptions.
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hidden variable theories and noncontextual hidden variable theories. Similarly, the PBR theorem could be said to rule out
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Pusey, Matthew F.; Barrett, Jonathan; Rudolph, Terry (2011). "The quantum state cannot be interpreted statistically".
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54:(for whom the theorem is named) in 2012. It has particular significance for how one may interpret the nature of the
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Matthew F. Pusey, Jonathan
Barrett, and Terry Rudolph, "On the reality of the quantum state",
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as "the most important general theorem relating to the foundations of quantum mechanics since
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Leifer, Matt (2014). "Is the quantum state real? An extended review of ψ-ontology theorems".
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Pusey, M. F.; Barrett, J.; Rudolph, T. (2012). "On the reality of the quantum state".
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quantum states violate the assumption of preparation independence, which would entail
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The PBR theorem may also be compared with other no-go theorems like
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Theorem pertaining to the ontology of quantum mechanics
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50:due to Matthew Pusey, Jonathan Barrett, and
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111:preprint and was subsequently published in
65:that attempt to explain the predictions of
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315:Reich, Eugenie Samuel (17 November 2011).
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107:This theorem, which first appeared as an
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317:"Quantum theorem shakes foundations"
197:In conclusion, we have presented a
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61:With respect to certain realist
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174:{\displaystyle |\psi \rangle }
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138:{\displaystyle |\psi \rangle }
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1455:Theorems in quantum mechanics
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145:can be categorized as either
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414:10.1007/s10701-009-9347-0
1429:Quantum mechanics topics
1124:Quantum machine learning
1100:One-way quantum computer
953:Quantum phase estimation
854:Quantum key distribution
787:Monogamy of entanglement
455:. Kalmbach Publishing Co
453:Discover Magazine (blog)
329:10.1038/nature.2011.9392
63:hidden variable theories
1036:Randomized benchmarking
898:Amplitude amplification
532:10.12743/quanta.v3i1.22
86:preparation independent
1460:Hidden variable theory
1136:Quantum Turing machine
1129:quantum neural network
876:Quantum secret sharing
384:Foundations of Physics
240:Kochen–Specker theorem
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1208:Entanglement-assisted
1169:quantum convolutional
844:Quantum coin flipping
809:Quantum teleportation
770:entanglement-assisted
600:DiVincenzo's criteria
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32:Pusey–Barrett–Rudolph
1019:processor benchmarks
948:Quantum optimization
831:Quantum cryptography
642:physical vs. logical
378:Harrigan, Nicholas;
191:action at a distance
185:-ontic, or else non-
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732:Quantum speed limit
627:Quantum programming
622:Quantum information
406:2010FoPh...40..125H
380:Spekkens, Robert W.
286:2012NatPh...8..476P
230:Quantum foundations
48:quantum foundations
1381:Forest/Rigetti QCS
1117:quantum logic gate
903:Bernstein–Vazirani
890:Quantum algorithms
765:Classical capacity
649:Quantum processors
632:Quantum simulation
475:. 18 November 2011
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1245:Linear optical QC
1026:Quantum supremacy
980:complexity theory
933:Quantum annealing
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821:Superdense coding
610:Quantum computing
294:10.1038/nphys2309
67:quantum mechanics
16:(Redirected from
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1153:error correction
1082:computing models
1048:Relaxation times
938:Quantum counting
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775:quantum capacity
722:No-teleportation
707:No-communication
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1325:Charge qubit
1250:KLM protocol
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747:Purification
677:Eastin–Knill
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1356:programming
1335:Phase qubit
1240:Circuit QED
712:No-deleting
654:cloud-based
499:24 November
479:20 November
459:20 November
364:1111.3328v1
342:20 November
203:information
18:PBR theorem
1444:Categories
1396:libquantum
1330:Flux qubit
1235:Cavity QED
1184:Bacon–Shor
1174:stabilizer
702:No-cloning
246:References
1302:NV center
737:Threshold
717:No-hiding
682:Gleason's
548:119295895
540:1314-7374
523:1409.1570
422:0015-9018
397:0706.2661
337:211836537
277:1111.3328
187:entangled
169:⟩
166:ψ
133:⟩
130:ψ
1364:OpenQASM
1340:Transmon
1217:Physical
1017:Quantum
918:Grover's
692:Holevo's
665:Theorems
615:timeline
605:NISQ era
473:Slashdot
430:32755624
302:14618942
224:See also
209:—
76:and the
1354:Quantum
1292:Kane QC
1151:Quantum
1079:Quantum
1008:PostBQP
978:Quantum
963:Simon's
756:Quantum
593:General
402:Bibcode
282:Bibcode
206:theory.
103:Theorem
40:theorem
1372:IBM QX
1368:Qiskit
1307:NMR QC
1285:-based
1189:Steane
1160:Codes
958:Shor's
864:SARG04
672:Bell's
546:
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510:Quanta
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321:Nature
300:
1194:Toric
637:Qubit
544:S2CID
518:arXiv
426:S2CID
392:arXiv
359:arXiv
333:S2CID
298:S2CID
272:arXiv
109:arXiv
82:local
42:is a
1386:Cirq
1377:Quil
1283:Spin
1179:Shor
859:BB84
792:LOCC
536:ISSN
501:2011
481:2011
461:2011
418:ISSN
344:2011
30:The
1200:gnu
1164:CSS
1041:XEB
1003:QMA
998:QIP
993:EQP
988:BQP
968:VQE
923:HHL
727:PBR
528:doi
410:doi
325:doi
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193:.
181:is
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36:PBR
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183:ψ
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147:ψ
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34:(
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