0012003v5

related topics
{time, systems, information}
{state, phys, rev}
{time, wave, function}
{phase, path, phys}
{measurement, state, measurements}
{particle, mechanics, theory}
{alice, bob, state}
{spin, pulse, spins}
{cos, sin, state}
{bell, inequality, local}

Entangled Quantum Clocks for Measuring Proper-Time Difference

W. Y. Hwang, D. Ahn, S. W. Hwang, Y. D. Han

abstract: We report that entangled pairs of quantum clocks (non-degenerate quantum bits) can be used as a specialized detector for precisely measuring difference of proper-times that each constituent quantum clock experiences. We describe why the proposed scheme would be more precise in the measurement of proper-time difference than a scheme of two-separate-quantum-clocks. We consider possibilities that the proposed scheme can be used in precision test of the relativity theory.

oai_identifier:
oai:arXiv.org:quant-ph/0012003
categories:
quant-ph
comments:
no correction, 4 pages, RevTex
doi:
10.1140/epjd/e20020065
arxiv_id:
quant-ph/0012003
journal_ref:
European Physical Journal D 19, 129 (2002)
created:
2000-12-01
updated:
2002-03-22

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