QUASI-CLASSICAL APPROXIMATION FOR THE SPIN-BOSON HAMILTONIAN WITH COUNTERROTATING TERMS

被引：24

作者：

FINNEY, GA

GEABANACLOCHE, J

机构：

[1] Department of Physics, University of Arkansas, Fayetteville

来源：

PHYSICAL REVIEW A | 1994年 / 50卷 / 03期

关键词：

D O I：

10.1103/PhysRevA.50.2040

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We derive quasiclassical (approximately factorizable) trajectories for the spin-boson Hamiltonian without the rotating-wave approximation (RWA) and show how they may be used to calculate the evolution of the fully quantized system when the initial state of the oscillator (boson field) is a coherent state with sufficiently large amplitude. We give a general prescription to obtain such trajectories for other systems We study how well-known features of the model in the RWA are modified by the counterrotating terms and explore some of the new phenomenology introduced by these terms.

引用

页码：2040 / 2052

页数：13

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