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Phys. Rev. A 58, R1–R3 (1998)

Testing Bell’s inequality using the Aharonov-Casher effect

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Arun Kumar Pati*
Theoretical Physics Division, 5th Floor, Central Complex, Bhabha Atomic Research Centre, Mumbai Bombay 400 085, India

Received 22 December 1997; published in the issue dated July 1998

We propose the Aharonov-Casher (AC) effect for four entangled spin-1/2 particles carrying magnetic moments in the presence of impenetrable line charge. The four-particle state undergoes an AC phase shift in two causally disconnected regions, which can show up in the correlations between different spin states of distant particles. This correlation can violate Bell’s inequality, thus displaying the nonlocality for four-particle entangled states in an objective way.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.58.R1
DOI:
10.1103/PhysRevA.58.R1
PACS:
03.65.-w

*Electronic address: apati@apsara.barc.ernet.in

 
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