Knowledge Management System of Institute of Theoretical Physics, CAS
Gao, Y. B.; Sun, C. P. ; Gao, YB , Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China
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| Factorization of the dephasing process in a quantum open system | |
| Source Publication | PHYSICAL REVIEW E
 |
| Keyword | Fluctuation-dissipation Theorem Wave-function General Picture Decoherence Dynamics |
| Abstract | The fluctuation-dissipation relation is well known for a quantum open system with energy dissipation. In this paper a similar underlying relation is found between the bath fluctuation and the dephasing of the quantum open system, for which energy is conserved, but the information is leaking into the bath. To obtain this relation we revisit the universal, but simple dephasing model with a quantum nondemolition interaction between the bath and the open system. Then we show that the decoherence factor describing the dephasing process is factorized into two parts, to indicate the two sources of dephasing, the vacuum quantum fluctuation, and the thermal excitations defined in the initial state of finite temperature. |
| 2007 | |
| ISSN | 1539-3755 |
| Volume | 75Issue:1Pages:- |
| Subject Area | Physics |
| Indexed By | SCI |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.itp.ac.cn/handle/311006/5803 |
| Collection | 理论物理所科研产出_SCI论文 |
| Corresponding Author | Gao, YB , Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China |
| Recommended Citation GB/T 7714 | Gao, Y. B.,Sun, C. P.,Gao, YB , Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China. Factorization of the dephasing process in a quantum open system[J]. PHYSICAL REVIEW E,2007,75(1):-. |
| APA | Gao, Y. B.,Sun, C. P.,&Gao, YB , Beijing Univ Technol, Coll Appl Sci, Beijing 100022, Peoples R China.(2007).Factorization of the dephasing process in a quantum open system.PHYSICAL REVIEW E,75(1),-. |
| MLA | Gao, Y. B.,et al."Factorization of the dephasing process in a quantum open system".PHYSICAL REVIEW E 75.1(2007):-. |
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| Factorization of the（407KB） | 开放获取 | License | Application Full Text | |||
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