期刊
PHYSICAL REVIEW LETTERS
卷 105, 期 2, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.020404
关键词
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资金
- U.S. Department of Energy
- Foundational Questions Institute (FQXi)
We study quantum Darwinism-the redundant recording of information about the preferred states of a decohering system by its environment-for an object illuminated by a blackbody. In the cases of point-source and isotropic illumination, we calculate the quantum mutual information between the object and its photon environment. We demonstrate that this realistic model exhibits fast and extensive proliferation of information about the object into the environment and results in redundancies orders of magnitude larger than the exactly soluble models considered to date.
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