Many-Worlds Interpretation

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	Many-minds interpretation - Wikipedia, the free encyclopedia
		Dieter Zeh as a variant of the Hugh Everett interpretation in connection with quantum decoherence, and later (in 1981) explicitly called a Many-(or multi-)consciousness Interpretation.
		Objections that apply to the many-world interpretation also apply to the many-mind interpretations.
		The idea of many minds was suggested early on by Zeh in 1995 He argues that in a decohering no-collapse universe one can avoid the necessity of macrorealms by introducing a new psycho-physical parallelism, in which individual minds supervene on each non-interfering component in the physical state.
	en.wikipedia.org /wiki/Many-minds_interpretation (1185 words)

	Many-worlds interpretation - Wikipedia, the free encyclopedia
		One might argue that postulating the existence of many worlds is some kind of axiomatic assumption, but the concept of quantum superpositions is a common indispensable part of all interpretations of quantum theory, as is most clearly illustrated in the path integral formulation of quantum mechanics.
		The many-worlds interpretation (or MWI) is an interpretation of quantum mechanics that rejects the non-deterministic and irreversible wavefunction collapse associated with measurement in the Copenhagen interpretation in favor of a description in terms of quantum entanglement and reversible time evolution of states.
		It has been claimed that there is an experiment that would clearly differentiate between the many-worlds interpretation and other interpretations of quantum mechanics.
	en.wikipedia.org /wiki/Everett_many-worlds_interpretation (4330 words)

	Many Worlds Theory FAQ
		The norm of the vector of the set of worlds where experiments contradict the Born interpretation ("non-random" or "maverick" worlds) vanishes in the limit as the number of probabilistic trials goes to infinity, as is required by the frequentist definition of probability.
		The multiplicity of worlds predicted by the theory is not a weakness of many-worlds, any more than the multiplicity of stars are for astronomers, since the non-interacting worlds emerge from a simpler theory.
		Arguments that the world picture presented by this theory is contradicted by experience, because we are unaware of any branching process, are like the criticism of the Copernican theory that the mobility of the earth as a real physical fact is incompatible with the common sense interpretation of nature because we feel no such motion.
	kuoi.asui.uidaho.edu /~kamikaze/doc/many-worlds-faq.html (15875 words)

	Hugh Everett III and the Many Worlds Theory
		Primarily, it is the speed of light and four forces which define the wave of many worlds, and as time passes, enough particle waves collapse to create a single defined reality, and that is the world in which we live.
		Hugh Everett III and the Many Worlds Theory
		The scientific study of how particles move about led to Quantum Mechanics which led to Quantum Theory and finally The Many Worlds Theory, almost sixty years after the wavelike structure of the atomic world was discovered.
	everythingforever.com /manywrld.htm (1985 words)

	Quantum Theory of Immortality Menu
		The Everett 'Many Worlds Interpretation' of quantum physics postulates that that all systems evolve according to the Schrödinger equation, whereas the more conventional Copenhagen Interpretation says that this is true until the moment of observation, at which point the equation 'collapses'.
		DeWitt, B. and N. Graham, eds., The Many Worlds Interpretation of Quantum Mechanics, (Princeton University Press, Princeton, 1973).
		In interpretations where there is an explicit non-unitary collapse, she will be either dead or alive after the first trigger event, so she should expect to perceive perhaps a click or two (if she is moderately lucky), then "game over", nothing at all.
	www.higgo.com /quantum/qti.htm (1439 words)

	Many-Worlds Interpretation of Quantum Mechanics
		Albert, D., and Loewer, B. ‘Interpreting the Many Worlds Interpretation’, Synthese 77, 195-213.
		The Universe incorporates many worlds similar to the one the layman is familiar with.
		The terminology of the MWI can be confusing: "world" is "universe" in Deutsch 1996, while "universe" is "multiverse", etc. There are two very different approaches with the same name "The Many-Minds Interpretation (MMI)".
	www.science.uva.nl /~seop/archives/spr2003/entries/qm-manyworlds (7022 words)

	Quantum Philosophy: Many Worlds and Mind Over Matter Part 2 - Philosophy
		The many worlds interpretation of quantum physics at first thought seems to be sci-fi fantasy, an idea that should exist in the realm of the imagination, but as it turns out many physicists interpret this to be a viable interpretation.
		The many worlds interpretation simply says that because of the dual nature of the electron, all possibilities simultaneously occur, and as it turns out, this solves many problems for quantum mathematicians.
		The many worlds interpretation says that it does.
	www.bellaonline.com /ArticlesP/art31526.asp (571 words)

	qr4.htm
		Everett's many-worlds interpretation of quantum theory, despite its extravagant assumption of numerous unobservable parallel worlds, is a favorite model of physicists because of all quantum realities it alone seems to solve the measurement problem with no arbitrary canonization of the process of measurement.
		All interactions in Everett's super-real world are of the same kind: two systems come together, get correlated, then start to realize all their mutual possibilities.
		In that world (which we might call super reality) one M device splits into five.
	deoxy.org /irc/qr4.htm (1052 words)

	Open Directory - Science: Physics: Quantum Mechanics: Interpretations
		Mangled Worlds Quantum Mechanics - Describes a variation on the many worlds interpretation in which the Born probability rule can be derived via finite world counting.
		This FAQ does not seek to prove that the many-worlds interpretation is the "correct" quantum metatheory, merely to correct some of the common errors and misinformation on the subject.
		Against Many Worlds Interpretation - A paper which indicates the Many Worlds Interpretation of quantum mechanics is invalid
	dmoz.org /Science/Physics/Quantum_Mechanics/Interpretations (694 words)

	"Many-Worlds" interpretation of quantum mechanics
		The Many-Worlds Interpretation is an interpretation of quantum mechanics, and pertains to quantum events.
		It is commonly thought that Many-Worlds is an unprovable hypothesis, experimentally indistinguishable from the Copenhagen Interpretation, but this may not be the case.
		The Many-Worlds Interpretation of Quantum Mechanics, edited by B. DeWitt and N. Graham (Princeton University Press, Princeton, 1973).
	www.station1.net /DouglasJones/many.htm (1128 words)

	Multiverse - Wikipedia, the free encyclopedia
		Hugh Everett's many-worlds interpretation (MWI) is one of several mainstream interpretations of quantum mechanics.
		Level III: (Hugh Everett III's many-worlds interpretation) An interpretation of quantum mechanics that proposes the existence of multiple universes, all of which are identical, but exist in possibly different states.
		It is widely believed that Everett's interpretation considered as a formal theory is a conservative extension of standard quantum mechanics, that is, as far as results expressible in the language of ordinary quantum mechanics is concerned, it leads to no new results.
	en.wikipedia.org /wiki/Multiverse (2277 words)

	Boing Boing: Many Worlds theory invalidated
		It has been widely accepted that the rival interpretations of quantum mechanics, e.g., the Copenhagen Interpretation, the Many-Worlds Interpretation, and my father John Cramer's Transactional Interpretation, cannot be distinguished or falsified by experiment, because the experimental predictions come from the formalism that all such interpretations describe.
		It also falsifies the Many-Worlds Interpretation which tells us to expect no interference between "worlds" that are physically distinguishable, e.g., that correspond to the photon's passage through one pinhole or the other.
		Kathryn Cramer breaks the story on a to-be-presented Harvard talk on an experiment that appears to invalidate both the "Many Worlds" and "Copenhagen" theories of quantum mechanics.
	www.boingboing.net /2004/04/26/many_worlds_theory_i.html (260 words)

	ImmInst.org -> Many Worlds Interpretation
		"Both the MWI and Lewis's possible worlds allow time travel into the past." I see how this could get rid of some of the paradoxes, but there is still no reasonable way for macroscopic things to travel backwords in time.
		The Universe is constantly spliting in billions of zillions of possible Universes, therefor all possible Worlds do exist.
		I don't think there is a violation in excepting the theory, but rather in speculating about the things happening in the alternate universes since they won't affect this one.
	www.imminst.org /forum/index.php?s=&act=ST&f=106&t=1955&st=0&#entry14904 (403 words)

	David Deutsch’s Many Worlds
		Our universe is just one of many, linked together by the astounding phenomena of the quantum world.
		According to quantum theory — the deepest theory known to physics — our universe is only a tiny facet of a larger multiverse, a highly structured continuum containing many universes.
		A growing number of physicists, myself included, are convinced that the thing we call ‘the universe’ — namely space, with all the matter and energy it contains — is not the whole of reality.
	www.qubit.org /people/david/Articles/Frontiers.html (1113 words)

	Time Travel Portal :: View topic - Many Worlds & Parallel Universes
		Time travel paradoxes, path integrals, and the many worlds interpretation of quantum mechanics
		The Interpretation of Quantum Mechanics: Many Worlds or Many Words?
		Many worlds and the emergence of probability in quantum mechanics
	timetravelportal.com /viewtopic.php?t=288 (374 words)

	Many-Worlds Interpretation - Metaweb
		The many worlds interpretation suggests that the particle is everywhere, but just in separate universes, which is how it can appear to be in only one place in this universe.
		As we can never be completely sure where a particle is at any given time, it could theoretically be in any point within the universe.
		In short, so that any event can happen, all other possible events must also occur, and they do so, only in alternative realities.
	www.metaweb.com /wiki/wiki.phtml?title=Many-Worlds_Interpretation&printable=yes (105 words)

	Quantum Theory of Immortality Menu
		The Everett 'Many Worlds Interpretation' of quantum physics postulates that that all systems evolve according to the Schrödinger equation, whereas the more conventional Copenhagen Interpretation says that this is true until the moment of observation, at which point the equation 'collapses'.
		DeWitt, B. and N. Graham, eds., The Many Worlds Interpretation of Quantum Mechanics, (Princeton University Press, Princeton, 1973).
		The 'Copenhagen Interpretation' of the phenomena and the equations which describe them, agreed at the 1927 Solvay conference, essentially says that the 'wave packet' somehow associated with a particle 'collapses' when it is observed - this necessitates a relationship between the observer's consciousness and the particle.
	www.higgo.com /quantum/qti.htm (1439 words)

	The Many Worlds ( Everett ) Interpretation of Quantum Mechanics
		The Many Worlds (Everett) Interpretation of Quantum Mechanics
	www.quantum-physics.com (8 words)

	physics - Quantum mechanics
		The Everett many-worlds interpretation, formulated in 1956, holds that all the possibilities described by quantum theory simultaneously occur in a "multiverse" composed of mostly independent parallel universes.
		The many worlds interpretation was formulated by Everett in 1956.
		Based on this interpretation, Bohm has speculated that the ultimate nature of physical reality is not a collection of separate objects (as it appears to us), but rather an undivided whole that is in perpetual dynamic flux.
	www.physicsdaily.com /physics/Quantum_mechanics (3963 words)

	The Everett Interpretation
		The norm of the vector of the set of worlds where experiments contradict the Born interpretation ("non-random" or "maverick" worlds) vanishes in the limit as the number of probabilistic trials goes to infinity, as is required by the frequentist definition of probability.
		Everett demonstrated [1], [2] that observations in each world obey all the usual conventional statistical laws predicted by the probabilistic Born interpretation, by showing that the Hilbert space's inner product or norm has a special property which allows us to makes statements about the worlds where quantum statistics break down.
		AKA as the Everett, relative-state, many-histories or many-universes interpretation or metatheory of quantum theory.
	www.physics.wustl.edu /~alford/many_worlds_FAQ.html (16300 words)

	qr4.htm
		Everett's many-worlds interpretation of quantum theory, despite its extravagant assumption of numerous unobservable parallel worlds, is a favorite model of physicists because of all quantum realities it alone seems to solve the measurement problem with no arbitrary canonization of the process of measurement.
		Everett saw it like this: the orthodox ontology treats measurement as a special kind of interaction, yet we know that measurement interactions cannot really be special since M devices are no different from anything else in the world.
		Everett's quantum theory without collapse describes the world as a continually proliferating jungle of conflicting possibilities, each isolated inside its own universe.
	www.deoxy.org /irc/qr4.htm (1052 words)

	Many Worlds
		theory of quantum computers, is a strong proponent of the many world interpretation and
		Hugh Everett proposed a radical new interpretation: all objects behave the same,
		might also make sense to ask if there is more than one world.
	yolanda3.dynalias.org /wbpage/multi/parallel.html (178 words)

	Homepage of David Wallace
		For the last few years I have been primarily interested in the Everett (Many-Worlds) interpretation of quantum theory, and in other interpretational issues linked to Everett (such as whether the Bohm theory is `Everett in denial', and what the ontology of the quantum state actually consists of).
		"Epistemology Quantised: circumstances in which we should come to believe in the Everett interpretation", in submission.
		My current research interests lie mostly in the philosophy of quantum mechanics.
	users.ox.ac.uk /~mert0130 (302 words)

	Alternate View Column AV-03
		This rival of the orthodox "Copenhagen" interpretation of the mathematics of quantum mechanics is the work of the well known theoretical physicist Professor John A. Wheeler and his PhD student Hugh Everett, III, both of whom were at Princeton University when the work was done.
		Many find it harder to swallow the multi-universe idea than to accept the collapse of the waves.
		But perhaps the most serious criticism of the Everett-Wheeler interpretation is that its predictions for the outcome of experiments do not differ from those of the orthodox Copenhagen interpretation.
	mist.npl.washington.edu /AV/altvw03.html (1762 words)

	Yury Semenov's Home Page
		FAQ: The Many Worlds (Everett) Interpretation of Quantum Mechanics
		Philosophical Consequences of Many-Worlds Interpretation of Quantum Mechanics
		Is old people who worked in good faith many decades and today burrowed in garbage containers due to miserable superannuations an achievement of democracy and progress?
	zipper.paco.net /~yury (859 words)

	"Many-Worlds" interpretation of quantum mechanics
		The Many-Worlds Interpretation is an interpretation of quantum mechanics, and pertains to quantum events.
		Until Many-Worlds appeared, the generally accepted interpretation of quantum mechanics was (and perhaps still is) the Copenhagen Interpretation.
		The Many-Worlds Interpretation of Quantum Mechanics, edited by B. DeWitt and N. Graham (Princeton University Press, Princeton, 1973).
	www.station1.net /DouglasJones/many.htm (859 words)

	Quantum Theory of Immortality Menu
		The Everett 'Many Worlds Interpretation' of quantum physics postulates that that all systems evolve according to the Schrödinger equation, whereas the more conventional Copenhagen Interpretation says that this is true until the moment of observation, at which point the equation 'collapses'.
		Does the 'many-worlds' interpretation of quantum mechanics imply immortality?
		Tegmark, Max, 'The Interpretation of Quantum Mechanics: Many Worlds or Many Worlds', (Preprint, September 15, 1997)
	www.higgo.com /quantum/qti.htm (859 words)

	Kathryn Cramer: Quantum Mechanics: Not Just a Matter of Interpretation
		It has been widely accepted that the rival interpretations of quantum mechanics, e.g., the Copenhagen Interpretation, the Many-Worlds Interpretation, and my father John Cramer's Transactional Interpretation, cannot be distinguished or falsified by experiment, because the experimental predictions come from the formalism that all such interpretations describe.
		The idea of "worlds" is one way of trying to get back a notion of probability (there are other variants, like the 'many-minds interpretation')--for a discussion of various proposals for how to get probabilities out of the Everett interpretation, including the many-worlds interpetation, see this entry from the Stanford Encyclopedia of Philosophy.
		In all cases, these experiments are all consistent with the Many-Worlds, Bohm's, Wheelers, et al interpretations of QM formalisms - ie, these differences discuss what causes the final "selection" of a result from the choices (or what causes the collapse of the probability wave functions).
	kathryncramer.typepad.com /kathryn_cramer/wblog/archives/000530.html (859 words)

	"Many-Worlds" interpretation of quantum mechanics
		Until Many-Worlds appeared, the generally accepted interpretation of quantum mechanics was (and perhaps still is) the Copenhagen Interpretation.
		The Copenhagen Interpretation gives the observer special status, not accorded to any other object in quantum theory, and cannot explain the observer itself, while Many-Worlds models the entire observer-observee system.
		It is commonly thought that Many-Worlds is an unprovable hypothesis, experimentally indistinguishable from the Copenhagen Interpretation, but this may not be the case.
	www.station1.net /douglasjones/many.htm (1128 words)

	"Many-Worlds" interpretation of quantum mechanics
		The Many-Worlds Interpretation is an interpretation of quantum mechanics, and pertains to quantum events.
		Until Many-Worlds appeared, the generally accepted interpretation of quantum mechanics was (and perhaps still is) the Copenhagen Interpretation.
		It is commonly thought that Many-Worlds is an unprovable hypothesis, experimentally indistinguishable from the Copenhagen Interpretation, but this may not be the case.
	www.station1.net /DouglasJones/many.htm (1128 words)

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