Wigner's friend

Wigner's friend
An extension of the Schrödingers cat thought experiment.

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  • Wigner's friend — is a thought experiment proposed by the physicist Eugene Wigner; it is an extension of the Schrödinger s cat experiment designed as a point of departure for discussing the mind body problem in Quantum mechanics. The thought experiment The Wigner… …   Wikipedia

  • Eugene Wigner — Infobox Scientist box width = 300px name = E. P. Wigner caption = Eugene Paul Wigner (1902 1995) birth date = birth date|1902|11|17|mf=y birth place = Budapest, Hungary (Austria Hungary) death date = death date and age|1995|1|1|1902|11|17 death… …   Wikipedia

  • Quantum mind–body problem — The quantum mind–body problem refers to the philosophical discussions of the mind–body problem in the context of quantum mechanics. Since quantum mechanics involves quantum superpositions, which are not perceived by observers, some… …   Wikipedia

  • Copenhagen interpretation — Quantum mechanics Uncertainty principle …   Wikipedia

  • Wigners Freund — ist eine Erweiterung des Gedankenexperimentes „Schrödingers Katze“ von Eugene Paul Wigner und bezieht sich auf das Messproblem der Quantenmechanik. Das Beispiel illustriert eine idealistische oder subjektivistische Interpretation der… …   Deutsch Wikipedia

  • List of eponyms (L-Z) — An eponym is a person (real or fictitious) whose name has become identified with a particular object or activity. NOTOC Here is a list of eponyms:A–K L M N–O P Q–R S T U–V W X–ZL* Rudolf Laban choreographer, created labanotation. * Ferruccio… …   Wikipedia

  • Schrödinger's cat — is a thought experiment, often described as a paradox, devised by Austrian physicist Erwin Schrödinger in 1935. It illustrated what he saw as the problem of the Copenhagen interpretation of quantum mechanics being applied to everyday objects, in… …   Wikipedia

  • Thought experiment — A thought experiment (from the German Gedankenexperiment ) is a proposal for an experiment that would test a hypothesis or theory but cannot actually be performed due to practical limitations; instead its purpose is to explore the potential… …   Wikipedia

  • Interpretation of quantum mechanics — An interpretation of quantum mechanics is a statement which attempts to explain how quantum mechanics informs our understanding of nature. Although quantum mechanics has received thorough experimental testing, many of these experiments are open… …   Wikipedia

  • Observer (quantum physics) — In quantum mechanics, observation is synonymous with quantum measurement and observer with a measurement apparatus and observable with what can be measured. Thus the quantum mechanical observer does not necessarily present or solve any problems… …   Wikipedia

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