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

Journal of Modern Optics

Macroscopic quantum Schrödinger and Einstein–Podolsky–Rosen paradoxes

M. D. Reid, Eric G. Cavalcanti

Published Nov 10, 2005• 5 citations
Publisher

Abstract

We propose macroscopic generalizations of the Einstein–Podolsky–Rosen paradox in which the completeness of quantum mechanics is contrasted with forms of macroscopic reality and macroscopic local reality defined in relation to Schrödinger's original ‘cat’ paradox.
DOI
10.1080/09500340500275678

Related papers

Implications of the recent experimental realisation of the Einstein-Podolsky-Rosen paradox

M. D. Reid

We point out that the recent experimental realisation by Ou et al. of the Einstein-Podolsky-Rosen paradox forces us to choose between two startling alternatives. We either reject macroscopic local realism (as defined in this paper) or accept that quantum mechanics is incomplete. In view of the significance of these implications, a further experiment involving delayed choice measurements and causal separation of measured fields should be considered.

Europhysics Letters (EPL)•Oct 1, 1996•10 citations

L'argument Einstein Podolsky Rosen (EPR) : Paradoxe, Alternative, Demonstration

Roussel, Pierre

The EPR (Einstein, Podolsky, Rosen) argument and the Schrodinger cat paradox are revisited in relation with modern quantum optics and atomic physics and with the concept of decoherence. It is shown that the questions raised fifty years ago are still at the heart of our understanding of quantum physics today.

arXiv:quant-ph/0308170•Aug 29, 2003•0 citations

Macroscopic EPR paradoxes

M. D. Reid, Eric G. Cavalcanti

We propose to test the inconsistency of local reality with quantum mechanics progressively, by defining the S-scopic EPR paradox, that would ultimately allow test of the EPR paradox for the macroscopically entangled "Schrodinger cat" state. Practical signatures of the S-scopic EPR-entanglement are presented for several experimental prototypes.

OSA Workshop on Entanglement and Quantum Decoherence•Jan 1, 2008•0 citations

The Einstein-Podolsky-Rosen Paradox Reexamined

Gen-Ichiro Nagasaka

The Einstein-Podolsky-Rosen paradox is an old problem which started back in 1935 with an article in Physical Review titled ‘Does Quantum Mechanics Describe Physical Reality Completely?’ These authors assert that quantum mechanics, being inconsistent, cannot describe physical reality completely. In the present paper the nature of the inconsistency will be analyzed and it will be shown that the E.P.R. paradox is essentially of formal nature and that the apparent formal inconsistency may be regarded as a consequence of unjustifiable presupposition. According to quantum mechanical theory the states of a microscopic system may be represented by state vectors and in the absence of any disturbance from outside the state vectors will change continuously with time according to Schrodinger's equation.

PSA Proceedings of the Biennial Meeting of the Philosophy of Science Association•Jan 1, 1970•0 citations

The Quantum Measurement Problem

A. J. Leggett

Despite the spectacular success of quantum mechanics (QM) over the last 80 years in explaining phenomena observed at the atomic and subatomic level, the conceptual status of the theory is still a topic of lively controversy. Most of the discussion centers around two famous paradoxes (or, as some would have it, pseudoparadoxes) associated, respectively, with the names of Einstein, Podolsky, and Rosen (EPR) and with Schrodinger's cat. In this Viewpoint, I will concentrate on the paradox of Schrodinger's cat or, as it is often known (to my mind somewhat misleadingly), the quantum measurement paradox.

Science•Feb 10, 2005•102 citations

Two Paradoxes in Quantum Mechanics

Henry Krips

The purpose of this paper is to resolve two paradoxes, which occur in quantum theory, by using the discussion of the theory of measurement presented in two earlier papers by the author [3], [4], [5]. The two paradoxes discussed will be the Schrödinger cat paradox and the Einstein, Podolski, Rosen paradox [2]. An introductory section will be included which summarizes the relevant results from the author's previous papers. Also a discussion will be made regarding the author's interpretation of the density operator.

Philosophy of Science•Jun 1, 1969•21 citations
The Einstein-Podolsky-Rosen paradox is an old problem which started back in 1935 with an article in Physical Review titled ‘Does Quantum Mechanics Describe Physical Reality Completely?’ These authors assert that quantum mechanics, being inconsistent, cannot describe physical reality completely. In the present paper the nature of the inconsistency will be analyzed and it will be shown that the E.P.R. paradox is essentially of formal nature and that the apparent formal inconsistency may be regarded as a consequence of unjustifiable presupposition. According to quantum mechanical theory the states of a microscopic system may be represented by state vectors and in the absence of any disturbance from outside the state vectors will change continuously with time according to Schrodinger's equation.
Despite the spectacular success of quantum mechanics (QM) over the last 80 years in explaining phenomena observed at the atomic and subatomic level, the conceptual status of the theory is still a topic of lively controversy. Most of the discussion centers around two famous paradoxes (or, as some would have it, pseudoparadoxes) associated, respectively, with the names of Einstein, Podolsky, and Rosen (EPR) and with Schrodinger's cat. In this Viewpoint, I will concentrate on the paradox of Schrodinger's cat or, as it is often known (to my mind somewhat misleadingly), the quantum measurement paradox.
The purpose of this paper is to resolve two paradoxes, which occur in quantum theory, by using the discussion of the theory of measurement presented in two earlier papers by the author [3], [4], [5]. The two paradoxes discussed will be the Schrödinger cat paradox and the Einstein, Podolski, Rosen paradox [2]. An introductory section will be included which summarizes the relevant results from the author's previous papers. Also a discussion will be made regarding the author's interpretation of the density operator.