Relativistic entanglement and Bell’s inequality

Doyeol Ahn, Hyuk jae Lee, Young Hoon Moon, Sung Woo Hwang

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


In this paper, the Lorentz transformation of entangled Bell states seen by a moving observer is studied. The calculated Bell observable for four joint measurements turns out to give a universal value, [Formula Presented] where [Formula Presented] are the relativistic spin observables derived from the Pauli-Lubanski pseudovector and [Formula Presented] We found that the degree of violation of the Bell’s inequality is decreasing with increasing velocity of the observer and Bell’s inequality is satisfied in the ultrarelativistic limit where the boost speed reaches the speed of light.

Original languageEnglish
Pages (from-to)8
Number of pages1
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number1
StatePublished - 2003


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