# EPR before EPR: a 1930 Einstein–Bohr thought experiment revisited

@article{Nikoli2012EPRBE, title={EPR before EPR: a 1930 Einstein–Bohr thought experiment revisited}, author={Hrvoje Nikoli{\'c}}, journal={European Journal of Physics}, year={2012}, volume={33}, pages={1089-1097} }

In 1930, Einstein argued against the consistency of the time–energy uncertainty relation by discussing a thought experiment involving a measurement of the mass of the box which emitted a photon. Bohr seemingly prevailed over Einstein by arguing that Einstein's own general theory of relativity saves the consistency of quantum mechanics. We revisit this thought experiment from a modern point of view at a level suitable for an undergraduate readership and find that neither Einstein nor Bohr was… Expand

#### 8 Citations

Quantum Communications, Relativistic Entanglement and the Theory of Dilated Locality

- Physics
- 2017

Since his famous discussions with Niels Bohr, Albert Einstein considered quantum entanglement (QE) as a spooky action at a distance, due to the violation of locality necessary so that two entangled… Expand

Every entangled stuff has its own avatar

- Computer Science
- 2018

It is demonstrated that some byproducts resulting from entanglement, which are called avatars, act as a hinge that link both theories making the completeness of QM clear. Expand

How much entanglement can be created in a closed system

- Physics
- 2020

In a closed system, the total number of particles is fixed. We ask how much does this conservation law restricts the amount of entanglement that can be created. We derive a tight upper bound on the… Expand

Space and Time in a Quantized World

- Physics
- 2015

Rather than consider space-time as an a priori arena in which events take place, it is a construction of our mind making possible a particular kind of ordering of events. As quantum entanglement is a… Expand

Quantum steering , entanglement and Bell nonlocality

- 2014

Quantum steering, the ability of one party to perform a measurement on their side of an entangled system with different outcomes leading to different sets of states for another part of the entangled… Expand

Energy–time and frequency–time uncertainty relations: exact inequalities

- Physics, Mathematics
- 2015

We give a short review of known exact inequalities that can be interpreted as 'energy–time' and 'frequency–time' uncertainty relations. In particular we discuss a precise form of signals minimizing… Expand

Imaginative Thinking in Science and Science Education

- Psychology
- 2016

This chapter focuses on the centrality of imagination in the thinking process in general and its role in science and science education in particular. More specifically, it discusses the role that… Expand

Towards quantum computing based community detection

- Computer Science
- Comput. Sci. Rev.
- 2020

A comprehensive literature survey for social network analysis and community detection highlighting the limitations prevalent in the current technologies and a systematic account of quantum computing based community detection techniques has been summarized and discussed as a more prudent future alternative. Expand

#### References

SHOWING 1-10 OF 25 REFERENCES

Complementarity in the Einstein-Bohr photon box

- Physics
- 2008

The Bohr–Einstein photon box thought experiment is a forerunner of the EPR experiment: a packet of radiation escapes from a box, and the box-plus-radiation state remains entangled. Hence, a… Expand

Bell's theorem

- Computer Science
- Scholarpedia
- 2011

The origins of this topic is a famous paper by Einstein, Rosen and Podolsky (EPR) in 1935; its title was Can Quantum-Mechanical Description of Physical Reality be Considered Complete? They considered… Expand

On the Einstein-Podolsky-Rosen Paradox

- Physics, Philosophy
- 2000

Abstract Central to the EPR paradox is a ‘thought experiment’ in which two spins are initially coupled to a state with S = 0 and are then separated to a large distance, at which they can be… Expand

Do we really understand quantum mechanics? Strange correlations, paradoxes, and theorems

- Physics
- 2001

This article presents a general discussion of several aspects of our present understanding of quantum mechanics. The emphasis is put on the very special correlations that this theory makes possible:… Expand

LETTERS AND COMMENTS: The photon-box Bohr-Einstein debate demythologized. Reply to Comment *The photon-box Bohr-Einstein debate demythologized. Reply to Comment

- Physics
- 2002

The arguments presented in the criticism of our work suffer from the same mistakes that we have denounced. That is, the confusion of quantum indeterminacies with experimental uncertainties. We… Expand

Quantum Mechanics: Myths and Facts

- Mathematics, Physics
- 2007

Abstract
A common understanding of quantum mechanics (QM) among students and practical users is often plagued by a number of “myths”, that is, widely accepted claims on which there is not really a… Expand

Research on hidden variable theories: A review of recent progresses

- Physics
- 2005

Abstract Quantum Mechanics (QM) is one of the pillars of modern physics: an impressive amount of experiments have confirmed this theory and many technological applications are based on it.… Expand

Erratum: “Do we really understand quantum mechanics? Strange correlations, paradoxes, and theorems” [Am. J. Phys. 69 (6), 655–701 (2001)]

- Physics
- 2002

that compares the toppling of a rectangular blocksubject to a horizontal force with vehicle rollover. Cross sug-gests that this analogy is incomplete unless one invokes cen-trifugal force.The… Expand

Can Quantum-Mechanical Description of Physical Reality be Considered Complete?

- Physics
- 1935

It is shown that a certain "criterion of physical reality" formulated in a recent article with the above title by A. Einstein, B. Podolsky and N. Rosen contains an essential ambiguity when it is… Expand

Quantum mysteries explored

- Physics
- 1994

A bare‐bones skeleton of quantum mechanics is used to do the calculations underlying both Mermin’s example of a Bell inequality and his example of the Greenberger–Horne–Zeilinger discovery. An… Expand