Adiabatic geometric phases and response functions

被引：44

作者：

Jain, SR ^{[1
]}

Pati, AK ^{[1
]}

机构：

[1] Bhabha Atom Res Ctr, Div Theoret Phys, Mumbai 400085, India

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.80.650

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Treating a many-body Fermi system in terms of a single particle in a deforming mean field, we relate adiabatic geometric phase to susceptibility for the noncyclic case, and to its derivative for the cyclic case. Employing the semiclassical expression of the susceptibility, the expression for geometric phase for chaotic quantum system immediately follows. Exploiting the well-known association of the absorptive part of susceptibility with dissipation, our relations may provide a quantum mechanical origin of the damping of collective excitations in Fermi systems. [S0031-9007(97)05154-5].

引用

页码：650 / 653

页数：4

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