Quantum Theory: Concepts and Methods: Difference between revisions

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Mermin, Mayer and Baez noted that Peres briefly dismissed the [[many-worlds interpretation]] of quantum mechanics.<ref name="Baez"/><ref name="Mermin"/><ref name="Mayer"/> Peres argued that all varieties of many-worlds interpretations merely shifted the arbitrariness or vagueness of the [[wavefunction collapse]] idea to the question of when "worlds" can be regarded as separate, and that no objective criterion for that separation can actually be formulated.{{efn|Section 12-1, "The ambivalent observer", p. 374}} Moreover, Peres dismissed "spontaneous collapse" models like [[Ghirardi–Rimini–Weber theory]] in the same brief section, designating them "mutations" of quantum mechanics.<ref name="Mermin"/>

Manuel Bächtold analyzed Peres' textbook from a standpoint of [[Pragmatism|philosophical pragmatism]].<ref name="Healey">{{Cite book|chapter-url=https://plato.stanford.edu/entries/quantum-bayesian/|title=[[Stanford Encyclopedia of Philosophy]]|last=Healey|first=Richard|publisher=Metaphysics Research Lab, [[Stanford University]]|year=2016|editor-last=Zalta|editor-first=Edward N.|chapter=Quantum-Bayesian and Pragmatist Views of Quantum Theory}}</ref> Peres' insistence in his textbook that the classical analogue of a [[quantum state]] is a [[Liouville's theorem (Hamiltonian)|Liouville density function]] was influential in the development of [[QBism]].<ref>{{cite encyclopedia|first1=Christopher A. |last1=Fuchs |first2=Blake C. |last2=Stacey |title=QBism: Quantum Theory as a Hero's Handbook |encyclopedia=Proceedings of the International School of Physics "Enrico Fermi": Course 197, "Foundations of Quantum Theory" |editor-first1=E. M. |editor-last1=Rasel |editor-first2=W. P. |editor-last2=Schleich |editor-link2=Wolfgang P. Schleich |editor-first3=S. |editor-last3=Wölk |doi=10.3254/978-1-61499-937-9-133 |arxiv=1612.07308 |year=2019 |publisher=[[IOS Press]] |isbn=9781614999379 |oclc=1086375617}}</ref>

==Editions==