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Title:
Mnwrldsintrprt #11 Many-worlds interpretation
Description:
http://en.wikipedia.org/wiki/Relative_state - - The many-worlds interpretation could be one possible way to resolve the paradoxes that one would expect to arise if time travel turns out to be permitted by physics (permitting closed timelike curves and thus violating causality) . Entering the past would itself be a quantum event causing branching, and therefore the timeline accessed by the time traveller simply would be another timeline of many. In that sense, it would make the Novikov self-consistency principle unnecessary. Many worlds in literature and science fiction The many-worlds interpretation (and the somewhat related concept of possible worlds) have been associated to numerous themes in literature, art and science fiction. Some of these stories or films violate fundamental principles of causality and relativity, and are extremely misleading since the information-theoretic structure of the path space of multiple universes (that is information flow between different paths) is very likely extraordinarily complex. Also see Michael Clive Price's FAQ referenced in the external links section below where these issues (and other similar ones) are dealt with more decisively. Another kind of popular illustration of many worlds splittings, which does not involve information flow between paths, or information flow backwards in time considers alternate outcomes of historical events. According to many worlds, most of the historical speculations entertained within the alternate history genre are realised in parallel universes. See also Fabric of Reality Interpretation of quantum mechanics Many-minds interpretation Multiverse Multiple histories Quantum decoherence Quantum immortality - a thought experiment. External links Everett's Relative-State Formulation of Quantum Mechanics (http://plato.stanford.edu/ entries/qm-everett/) - Jeffrey A. Barrett's article on Everett's formulation of quantum mechanics in the Stanford Encyclopedia of Philosophy. Many-Worlds Interpretation of Quantum Mechanics (http://plato.stanford.edu /entries/qm-manyworlds/ ) - Lev Vaidman's article on the many worlds interpretation of quantum mechanics in the Stanford Encyclopedia of Philosophy. Michael Price's Everett FAQ ( http://www.hedweb.com/ manworld.htm) -- a clear FAQ-style presentation of the theory. The Many-Worlds Interpretation of Quantum Mechanics (http://frombob.to /many.html) - a description for the lay reader with links. Against Many-Worlds Interpretations by Adrian Kent (http://arxiv.org/ abs/grqc/9703089) Many Worlds is a "lost cause" (http://www.mth.kcl.ac.uk/ ~streater /lostcauses.html# XII) according to R. F. Streater The many worlds of quantum mechanics (http://www.sankey.ws/ qm.html) Max Tegmark's web page (http://space.mit.edu/ home/tegmark/quantum.html) Henry Stapp's critique of MWI, focusing on the basis problem (http:/ /wwwphysics.lbl.gov/~stapp/ bp.PDF) Translation of Schr**dinger's Cat paper. (http://www.tu-harburg.de/ rzt/rzt /it/QM/cat.html) Everett interpretation on arxiv.org (http:// xstructure.inr.ac.ru/ x-bin /theme2.py?arxiv= quant-ph&level=1&index1= 5693) Many Worlds 50th anniversary conference at Oxford (http://users.ox.ac.uk /~everett/abstracts.htm) "Many Worlds at 50" conference (http://www.perimeterinstitute.ca/ en/Events /Many_Worlds_ at_50/Many_Worlds_at_ 50/) at Perimeter Institute Scientific American report on the Many Worlds 50th anniversary conference at Oxford (http://blog.sciam.com/ index.php?title=many_ worlds_in_oxford& more= 1&c=1&tb=1&pb=1&more= 1#comments) Highfield, Roger (September 21, 2007), Parallel universe proof boosts time travel hopes, The Daily Telegraph, http://www.telegraph.co.uk/ earth /main.jhtml?xml= /earth/2007/09/21/sciuni121.xml, retrieved on 26 October 2007. HowStuffWorks article (http://science.howstuffworks.com/ quantumsuicide2.htm) Notes and references 1. ^ a b c d Hugh Everett, Relative State Formulation of Quantum Mechanics (http://www.univer.omsk .su/omsk /Sci/Everett/ paper1957.h tml) , Reviews of Modern Physics vol 29, (1957) pp 454-462. 2. ^ a b Cecile M. DeWitt, John A. Wheeler eds, The Everett-Wheeler Interpretation of Quantum Mechanics, Battelle Rencontres: 1967 Lectures in Mathematics and Physics (1968) 3. ^ a b Bryce Seligman DeWitt, Quantum Mechanics and Reality, Physics Today,23(9) pp 30-40 (1970) also April 1971 letters followup 4. ^ a b Bryce Seligman DeWitt, The Many-Un iverses Interpretation of Quantum Mechanics, Proceedings of the International School of Physics "Enrico Fermi" Course IL: Foundations of Quantum Mechanics, Academic Press (1972) 5. ^ a b c d e f Bryce Seligman DeWitt, R. Neill Grah am, eds, The Many-Worlds Interpretation of Quantum Mechanics, Princeton Series in Physics, Princeton University Press (1973) , ISBN 0-691-08131-X Contains Everett's thesis: The Theory of the Universal Wavefunction, pp 3-140.
Author:
h4ck3rm1k3
Tags:
Many, worlds, interpretation, physics,
Mnwrldsintrprt #11 Many-worlds interpretation
Description:
http://en.wikipedia.org/wiki/Relative_state - - The many-worlds interpretation could be one possible way to resolve the paradoxes that one would expect to arise if time travel turns out to be permitted by physics (permitting closed timelike curves and thus violating causality) . Entering the past would itself be a quantum event causing branching, and therefore the timeline accessed by the time traveller simply would be another timeline of many. In that sense, it would make the Novikov self-consistency principle unnecessary. Many worlds in literature and science fiction The many-worlds interpretation (and the somewhat related concept of possible worlds) have been associated to numerous themes in literature, art and science fiction. Some of these stories or films violate fundamental principles of causality and relativity, and are extremely misleading since the information-theoretic structure of the path space of multiple universes (that is information flow between different paths) is very likely extraordinarily complex. Also see Michael Clive Price's FAQ referenced in the external links section below where these issues (and other similar ones) are dealt with more decisively. Another kind of popular illustration of many worlds splittings, which does not involve information flow between paths, or information flow backwards in time considers alternate outcomes of historical events. According to many worlds, most of the historical speculations entertained within the alternate history genre are realised in parallel universes. See also Fabric of Reality Interpretation of quantum mechanics Many-minds interpretation Multiverse Multiple histories Quantum decoherence Quantum immortality - a thought experiment. External links Everett's Relative-State Formulation of Quantum Mechanics (http://plato.stanford.edu/ entries/qm-everett/) - Jeffrey A. Barrett's article on Everett's formulation of quantum mechanics in the Stanford Encyclopedia of Philosophy. Many-Worlds Interpretation of Quantum Mechanics (http://plato.stanford.edu /entries/qm-manyworlds/ ) - Lev Vaidman's article on the many worlds interpretation of quantum mechanics in the Stanford Encyclopedia of Philosophy. Michael Price's Everett FAQ ( http://www.hedweb.com/ manworld.htm) -- a clear FAQ-style presentation of the theory. The Many-Worlds Interpretation of Quantum Mechanics (http://frombob.to /many.html) - a description for the lay reader with links. Against Many-Worlds Interpretations by Adrian Kent (http://arxiv.org/ abs/grqc/9703089) Many Worlds is a "lost cause" (http://www.mth.kcl.ac.uk/ ~streater /lostcauses.html# XII) according to R. F. Streater The many worlds of quantum mechanics (http://www.sankey.ws/ qm.html) Max Tegmark's web page (http://space.mit.edu/ home/tegmark/quantum.html) Henry Stapp's critique of MWI, focusing on the basis problem (http:/ /wwwphysics.lbl.gov/~stapp/ bp.PDF) Translation of Schr**dinger's Cat paper. (http://www.tu-harburg.de/ rzt/rzt /it/QM/cat.html) Everett interpretation on arxiv.org (http:// xstructure.inr.ac.ru/ x-bin /theme2.py?arxiv= quant-ph&level=1&index1= 5693) Many Worlds 50th anniversary conference at Oxford (http://users.ox.ac.uk /~everett/abstracts.htm) "Many Worlds at 50" conference (http://www.perimeterinstitute.ca/ en/Events /Many_Worlds_ at_50/Many_Worlds_at_ 50/) at Perimeter Institute Scientific American report on the Many Worlds 50th anniversary conference at Oxford (http://blog.sciam.com/ index.php?title=many_ worlds_in_oxford& more= 1&c=1&tb=1&pb=1&more= 1#comments) Highfield, Roger (September 21, 2007), Parallel universe proof boosts time travel hopes, The Daily Telegraph, http://www.telegraph.co.uk/ earth /main.jhtml?xml= /earth/2007/09/21/sciuni121.xml, retrieved on 26 October 2007. HowStuffWorks article (http://science.howstuffworks.com/ quantumsuicide2.htm) Notes and references 1. ^ a b c d Hugh Everett, Relative State Formulation of Quantum Mechanics (http://www.univer.omsk .su/omsk /Sci/Everett/ paper1957.h tml) , Reviews of Modern Physics vol 29, (1957) pp 454-462. 2. ^ a b Cecile M. DeWitt, John A. Wheeler eds, The Everett-Wheeler Interpretation of Quantum Mechanics, Battelle Rencontres: 1967 Lectures in Mathematics and Physics (1968) 3. ^ a b Bryce Seligman DeWitt, Quantum Mechanics and Reality, Physics Today,23(9) pp 30-40 (1970) also April 1971 letters followup 4. ^ a b Bryce Seligman DeWitt, The Many-Un iverses Interpretation of Quantum Mechanics, Proceedings of the International School of Physics "Enrico Fermi" Course IL: Foundations of Quantum Mechanics, Academic Press (1972) 5. ^ a b c d e f Bryce Seligman DeWitt, R. Neill Grah am, eds, The Many-Worlds Interpretation of Quantum Mechanics, Princeton Series in Physics, Princeton University Press (1973) , ISBN 0-691-08131-X Contains Everett's thesis: The Theory of the Universal Wavefunction, pp 3-140.
Author:
h4ck3rm1k3
Tags:
Many, worlds, interpretation, physics,
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