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Fluctuation of Quantum Information Density in Curved Time--Space |
| BI Qiao 1,2 |
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1Department of Physics, Wuhan University of Technology, Wuhan430070
2Center of Advanced Nanotechnology, University of Toronto, M5S 3E4,Canada |
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| Cite this article: |
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BI Qiao 2007 Chin. Phys. Lett. 24 859-862 |
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Abstract A dynamical equation for quantum information density (QID) in curved spacetime is presented. The related fluctuation of QID with quantum Einstein equation is also discussed, which reveals the measuring of the dynamical mutual information condition using a Gaussian quantum channel.
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| Keywords:
03.67.-a
05.30.-d
04.60.-m
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Received: 22 September 2006
Published: 26 March 2007
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