Relativistic Entanglements of Spin 1/2 Particles with General Momentum | Zendy

Young Hoon Moon | Zendy; Sung Woo Hwang | Zendy; Doyeol Ahn | Zendy

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Relativistic Entanglements of Spin 1/2 Particles with General Momentum

Author(s) -

Young Hoon Moon,

Sung Woo Hwang,

Doyeol Ahn

Publication year - 2004

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.112.219

Subject(s) - physics , bell's theorem , spin (aerodynamics) , bell state , lorentz transformation , quantum mechanics , bell test experiments , quantum nonlocality , momentum (technical analysis) , observable , quantum teleportation , theoretical physics , classical mechanics , quantum information , quantum , quantum entanglement , quantum channel , finance , economics , thermodynamics

In this paper, the Lorentz transformation of the entangled Bell states withmomentum, not necessarily orthogonal to the boost direction, and spin, isstudied. We extended quantum correlations and Bell's inequality to therelativistic regime by considering normalized relativistic observables. It isshown that quantum information, along the perpendicular direction to the boost,is eventually lost and Bell's inequality is not always violated for entangledstates in special relativity. This could impose restrictions to certain quantuminformation processing such as quantum cryptography using massive particles

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