Recently, the finite temperature states of the spin-boson model were studied. Here with different techniques in the case of level-splitting zero, the explicit expressions for both the dynamics and the equilibrium states are derived, namely Trotter's product formula and analyticity methods from perturbation theory are used.
机构:
Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
Beijing Normal Univ, Ctr Adv Quantum Studies, Beijing 100875, Peoples R ChinaBeijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
机构:
Ludong Univ, Coll Phys & Optoelect Engn, Shandong 264025, Peoples R ChinaLudong Univ, Coll Phys & Optoelect Engn, Shandong 264025, Peoples R China
Yan, Yun-An
Shao, Jiushu
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机构:
Beijing Normal Univ, Coll Chem, Beijing 100875, Peoples R China
Beijing Normal Univ, Ctr Adv Quantum Studies, Beijing 100875, Peoples R ChinaLudong Univ, Coll Phys & Optoelect Engn, Shandong 264025, Peoples R China