Correlations of Observables in Chaotic States of Macroscopic Quantum Systems
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- Sugita Ayumu
- Department of Applied Physics, Osaka City University
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- Shimizu Akira
- Department of Basic Science, University of Tokyo PRESTO, Japan Science and Technology Corporation
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Abstract
We study correlations of observables in energy eigenstates of chaotic systems of a large size N. We show that the bipartite entanglement of two subsystems is quite strong, whereas macroscopic entanglement of the total system is absent. It is also found that correlations, either quantum or classical, among fewer than N⁄2 points are quite small. These results imply that chaotic states are stable. Invariance of these properties under local operations is also shown.
Journal
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 74 (7), 1883-1886, 2005
THE PHYSICAL SOCIETY OF JAPAN
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Details
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- CRID
- 1390282679164796928
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- NII Article ID
- 110001979631
- 130004539312
- 210000105518
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- NII Book ID
- AA00704814
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- BIBCODE
- 2005JPSJ...74.1883S
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- ISSN
- 13474073
- 00319015
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- NDL BIB ID
- 7356721
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed