Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

arXiv:quant-ph/0110008 · Physics Letters A

Correlation experiments in nonlinear quantum mechanics

Marek Czachor, H.-D. Doebner

Published Aug 1, 2002• 35 citations
arXivHTMLPDF
DOI
10.1016/s0375-9601(02)00959-3

Related papers

Correlations in Quantum Mechanics

Richard Healey

Compendium of Quantum Physics•Jan 1, 2009•0 citations

Correlation experiments in nonlinear quantum mechanics

Marek Czachor, H. -d. Doebner

We show how one can compute multiple-time multi-particle correlation functions in nonlinear quantum mechanics (NLQM) in a way which guarantees locality of the formalism. On this basis we derive a version of the projection postulate which is appropriate for correlation experiments in NLQM. I.

•Oct 1, 2001•27 citations

Simple experiment to test a hypothetical transient deviation from Quantum Mechanics

Alejandro Andrés Hnilo, Mónica Agüero

Quantum Mechanics (QM) predicts the correlation between measurements performed in remote regions of a spatially spread entangled state to be higher than allowed by the intuitive concepts of Locality and Realism (LR). This high correlation forbids the introduction of nonlinear operators of evolution in QM (which would be desirable for several reasons), for it would lead to faster-than-light signaling. As a way out of this situation, it has been hypothesized that the high quantum correlation can be observed only after a time longer than L/c has elapsed (where L is the spatial spread of the entangled state and c is the speed of light). In shorter times, a level of correlation compatible with LR would be observed instead. A simple model following this hypothesis is described. It has not been disproved by any of the performed experiments to date. A test achievable with accessible means is proposed. The data recorded in a similar but incomplete experiment (which was done in 2012 with a different purpose, and repeated in 2018 producing essentially the same results) are analyzed, and are found consistent with the described model. Yet, we stress that a specific experiment is absolutely needed.

arXiv:1507.01766•Jul 7, 2015•2 citations

ASPECTS OF NONLINEAR QUANTUM MECHANICS

Marek Czachor

•Jan 1, 1993•4 citations

Nonlinear Quantum Mechanics

Zakarias Laberg Hejlesen

•Jan 1, 2019•0 citations

Quantum Mechanics, Nonlinear Dynamics, and Correlated Statistical Mechanics

Wm. C. McHarris

Many of the so‐called paradoxes of orthodox quantum mechanics can be shown to have parallel, more logical interpretations in the realm of nonlinear dynamics and chaos theory. Among these are violations of Bell‐type inequalities, which in comparing “classical” mechanics with quantum mechanics implicitly compare uncorrelated and correlated statistics. During the past decade research in the field of nonextensive thermodynamics (including Tsallis entropy) has demonstrated the existence of many statistical correlations in classical, nonlinear systems. When such correlations exist, the conventional classical upper limit on statistical correlations in Bell‐type experiments can easily be raised to overlap with quantum mechanical predictions involving correlated states such as the Bell singlet state, a favorite for deriving Bell inequalities. Thus, arguments based on experimental violations of Bell‐type inequalities, which rule out the existence of “local reality,” become moot. Perhaps quantum mechanics does have a deterministic, ontological basis, albeit one based in nonlinear dynamics and chaos theory. If so, deterministic chaos could provide Einstein’s longed‐for fundamental determinism, but because chaotic systems must be interpreted statistically, this also fits in quite well with the ideas of Bohr — Einstein and Bohr both could have been correct! It should be emphasized that the concept of nonlinear dynamics and chaos underpinning quantum mechanics does not involve hidden variables, nor does the fact that chaos is deterministic interlope on the existence of free will.

AIP conference proceedings•Jan 1, 2007•0 citations
Quantum Mechanics (QM) predicts the correlation between measurements performed in remote regions of a spatially spread entangled state to be higher than allowed by the intuitive concepts of Locality and Realism (LR). This high correlation forbids the introduction of nonlinear operators of evolution in QM (which would be desirable for several reasons), for it would lead to faster-than-light signaling. As a way out of this situation, it has been hypothesized that the high quantum correlation can be observed only after a time longer than L/c has elapsed (where L is the spatial spread of the entangled state and c is the speed of light). In shorter times, a level of correlation compatible with LR would be observed instead. A simple model following this hypothesis is described. It has not been disproved by any of the performed experiments to date. A test achievable with accessible means is proposed. The data recorded in a similar but incomplete experiment (which was done in 2012 with a different purpose, and repeated in 2018 producing essentially the same results) are analyzed, and are found consistent with the described model. Yet, we stress that a specific experiment is absolutely needed.
Many of the so‐called paradoxes of orthodox quantum mechanics can be shown to have parallel, more logical interpretations in the realm of nonlinear dynamics and chaos theory. Among these are violations of Bell‐type inequalities, which in comparing “classical” mechanics with quantum mechanics implicitly compare uncorrelated and correlated statistics. During the past decade research in the field of nonextensive thermodynamics (including Tsallis entropy) has demonstrated the existence of many statistical correlations in classical, nonlinear systems. When such correlations exist, the conventional classical upper limit on statistical correlations in Bell‐type experiments can easily be raised to overlap with quantum mechanical predictions involving correlated states such as the Bell singlet state, a favorite for deriving Bell inequalities. Thus, arguments based on experimental violations of Bell‐type inequalities, which rule out the existence of “local reality,” become moot. Perhaps quantum mechanics does have a deterministic, ontological basis, albeit one based in nonlinear dynamics and chaos theory. If so, deterministic chaos could provide Einstein’s longed‐for fundamental determinism, but because chaotic systems must be interpreted statistically, this also fits in quite well with the ideas of Bohr — Einstein and Bohr both could have been correct! It should be emphasized that the concept of nonlinear dynamics and chaos underpinning quantum mechanics does not involve hidden variables, nor does the fact that chaos is deterministic interlope on the existence of free will.