Dissipative geometric phase and decoherence in parity-violating chiral molecules

被引:13
作者
Dorta-Urra, A.
Penate-Rodriguez, H. C. [1 ]
Bargueno, P. [2 ]
Rojas-Lorenzo, G. [1 ]
Miret-Artes, S.
机构
[1] Inst Super Tecnol & Ciencias Aplicadas, Havana 10600, Cuba
[2] Univ Complutense Madrid, Dept Fis Mat, E-28040 Madrid, Spain
关键词
ENERGY DIFFERENCE; OPTICAL-ACTIVITY; QUANTUM BEATS; ENANTIOMERS; SUPERPOSITIONS; TEMPERATURE; SEARCH;
D O I
10.1063/1.4707735
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Within a generalized Langevin framework for open quantum systems, the cyclic evolution of a two-level system is analyzed in terms of the geometric phase extended to dissipative systems for Ohmic friction. This proposal is applied to the dynamics of chiral molecules where the tunneling and parity violating effects are competing. The effect of different system-bath coupling functions in the dissipated energy is shown to be crucial to understand the behavior of the geometric phase as well as the decoherence displayed by the corresponding interference patterns. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4707735]
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页数:6
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