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- Quantum_Zeno_effect abstract "The quantum Zeno effect (also known as the Turing paradox) is a situation in which an unstable particle, if observed continuously, will never decay. One can "freeze" the evolution of the system by measuring it frequently enough in its known initial state. The meaning of the term has since expanded, leading to a more technical definition in which time evolution can be suppressed not only by measurement: the quantum Zeno effect is the suppression of unitary time evolution caused by quantum decoherence in quantum systems provided by a variety of sources: measurement, interactions with the environment, stochastic fields, and so on. As an outgrowth of study of the quantum Zeno effect, it has become clear that applying a series of sufficiently strong and fast pulses with appropriate symmetry can also decouple a system from its decohering environment.The name comes from Zeno's arrow paradox which states that, since an arrow in flight is not seen to move during any single instant, it cannot possibly be moving at all.The comparison with Zeno's paradox is due to a 1977 paper by George Sudarshan and Baidyanath Misra.The first rigorous and general derivation of this effect was presented in 1974 by Degasperis et al. It had previously been described by Alan Turing in 1954:resulting in the earlier name Turing paradox. The idea is contained in the early work by John von Neumann, sometimes called the reduction postulate.It was shown that the quantum Zeno effect of a single system is equivalent to the indetermination of the quantum state of a single system.According to the reduction postulate, each measurement causes the wavefunction to "collapse" to a pure eigenstate of the measurement basis. In the context of this effect, an "observation" can simply be the absorption of a particle, without an observer in any conventional sense. However, there is controversy over the interpretation of the effect, sometimes referred to as the "measurement problem" in traversing the interface between microscopic and macroscopic.Another crucial problem related to the effect is strictly connected to the time-energy indeterminacy relation. If one wants to make the measurement process more and more frequent, one has to correspondingly decrease the time duration of the measurement itself. But the request that the measurement last only a very short time implies that the energy spread of the state on which reduction occurs becomes more and more large. However, the deviations from the exponential decay law for small times, is crucially related to the inverse of the energy spread so that the region in which the deviations are appreciable shrinks when one makes the measurement process duration shorter and shorter. An explicit evaluation of these two competing requests shows that it is inappropriate, without taking into account this basic fact, to deal with the actual occurrence and emergence of Zeno's effect.Closely related (and sometimes not distinguished from the quantum Zeno effect) is the watchdog effect, in which the time evolution of a system is affected by its continuous coupling to the environment.".
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- Quantum_Zeno_effect wikiPageRevisionID "677846995".
- Quantum_Zeno_effect wikiPageWikiLink Alan_Turing.
- Quantum_Zeno_effect wikiPageWikiLink Atomic_de_Broglie_microscope.
- Quantum_Zeno_effect wikiPageWikiLink Atomic_magnetometer.
- Quantum_Zeno_effect wikiPageWikiLink Atomic_mirror.
- Quantum_Zeno_effect wikiPageWikiLink Atomic_nanoscope.
- Quantum_Zeno_effect wikiPageWikiLink Beryllium.
- Quantum_Zeno_effect wikiPageWikiLink Category:Quantum_measurement.
- Quantum_Zeno_effect wikiPageWikiLink Classical_mechanics.
- Quantum_Zeno_effect wikiPageWikiLink David_J._Wineland.
- Quantum_Zeno_effect wikiPageWikiLink E._C._George_Sudarshan.
- Quantum_Zeno_effect wikiPageWikiLink Eigenstate.
- Quantum_Zeno_effect wikiPageWikiLink Einselection.
- Quantum_Zeno_effect wikiPageWikiLink Environment_(systems).
- Quantum_Zeno_effect wikiPageWikiLink George_Sudarshan.
- Quantum_Zeno_effect wikiPageWikiLink Interference_(wave_propagation).
- Quantum_Zeno_effect wikiPageWikiLink John_von_Neumann.
- Quantum_Zeno_effect wikiPageWikiLink Laser_cooling.
- Quantum_Zeno_effect wikiPageWikiLink Magnetoception.
- Quantum_Zeno_effect wikiPageWikiLink Magnetoreception.
- Quantum_Zeno_effect wikiPageWikiLink Many-worlds_interpretation.
- Quantum_Zeno_effect wikiPageWikiLink Mark_G._Raizen.
- Quantum_Zeno_effect wikiPageWikiLink Measurement_problem.
- Quantum_Zeno_effect wikiPageWikiLink NIST.
- Quantum_Zeno_effect wikiPageWikiLink National_Institute_of_Standards_and_Technology.
- Quantum_Zeno_effect wikiPageWikiLink Paradox.
- Quantum_Zeno_effect wikiPageWikiLink Particle_decay.
- Quantum_Zeno_effect wikiPageWikiLink Penning_trap.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_Darwinism.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_computer.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_computing.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_decoherence.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_mechanics.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_programming.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_state.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_superposition.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_tunneling.
- Quantum_Zeno_effect wikiPageWikiLink Quantum_tunnelling.
- Quantum_Zeno_effect wikiPageWikiLink Qubit.
- Quantum_Zeno_effect wikiPageWikiLink Radio_frequency.
- Quantum_Zeno_effect wikiPageWikiLink Raman_scattering.
- Quantum_Zeno_effect wikiPageWikiLink Reality_tunnel.
- Quantum_Zeno_effect wikiPageWikiLink Ridged_mirror.
- Quantum_Zeno_effect wikiPageWikiLink SERF.
- Quantum_Zeno_effect wikiPageWikiLink Schrödinger_equation.
- Quantum_Zeno_effect wikiPageWikiLink Surroundings_(thermodynamics).
- Quantum_Zeno_effect wikiPageWikiLink Ultraviolet.
- Quantum_Zeno_effect wikiPageWikiLink University_of_Texas_at_Austin.
- Quantum_Zeno_effect wikiPageWikiLink Wave_function.
- Quantum_Zeno_effect wikiPageWikiLink Wave_function_collapse.
- Quantum_Zeno_effect wikiPageWikiLink Wavefunction.
- Quantum_Zeno_effect wikiPageWikiLink Wavefunction_collapse.
- Quantum_Zeno_effect wikiPageWikiLink Zenos_arrow_paradox.
- Quantum_Zeno_effect wikiPageWikiLink Zenos_paradoxes.
- Quantum_Zeno_effect wikiPageWikiLinkText "Quantum Zeno effect".
- Quantum_Zeno_effect wikiPageWikiLinkText "Zeno Effect".
- Quantum_Zeno_effect wikiPageWikiLinkText "Zeno effect".
- Quantum_Zeno_effect wikiPageWikiLinkText "quantum Zeno effect".
- Quantum_Zeno_effect wikiPageWikiLinkText "quantum anti-Zeno effect".
- Quantum_Zeno_effect wikiPageWikiLinkText "quantum locked".
- Quantum_Zeno_effect wikiPageWikiLinkText "watchdog effect".
- Quantum_Zeno_effect hasPhotoCollection Quantum_Zeno_effect.
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- Quantum_Zeno_effect subject Category:Quantum_measurement.
- Quantum_Zeno_effect hypernym Situation.
- Quantum_Zeno_effect type Article.
- Quantum_Zeno_effect type ProgrammingLanguage.
- Quantum_Zeno_effect type Article.
- Quantum_Zeno_effect type Mechanic.
- Quantum_Zeno_effect comment "The quantum Zeno effect (also known as the Turing paradox) is a situation in which an unstable particle, if observed continuously, will never decay. One can "freeze" the evolution of the system by measuring it frequently enough in its known initial state.".
- Quantum_Zeno_effect label "Quantum Zeno effect".
- Quantum_Zeno_effect sameAs Efecte_Zenó_quàntic.
- Quantum_Zeno_effect sameAs Quanten-Zeno-Effekt.
- Quantum_Zeno_effect sameAs Κβαντικό_παράδοξο_του_Ζήνωνα.
- Quantum_Zeno_effect sameAs אפקט_זנון_הקוונטי.
- Quantum_Zeno_effect sameAs Kwantowy_efekt_Zenona.
- Quantum_Zeno_effect sameAs m.02_d32.
- Quantum_Zeno_effect sameAs Квантовый_эффект_Зенона.
- Quantum_Zeno_effect sameAs Квантовий_ефект_Зенона.
- Quantum_Zeno_effect sameAs Q1897309.
- Quantum_Zeno_effect sameAs Q1897309.
- Quantum_Zeno_effect wasDerivedFrom Quantum_Zeno_effect?oldid=677846995.
- Quantum_Zeno_effect isPrimaryTopicOf Quantum_Zeno_effect.