Bosonization out of equilibrium

被引：26

作者：

Gutman, D. B. ^{[1
,2
]}

Gefen, Yuval ^{[3
]}

Mirlin, A. D. ^{[1
,2
,4
,5
]}

机构：

[1] Univ Karlsruhe, Inst Theorie Kondensierten Mat, D-76128 Karlsruhe, Germany

[2] Univ Karlsruhe, DFG Ctr Funct Nanostruct, D-76128 Karlsruhe, Germany

[3] Weizmann Inst Sci, Dept Condensed Matter Phys, IL-76100 Rehovot, Israel

[4] Forschungszentrum Karlsruhe, Inst Nanotechnol, D-76021 Karlsruhe, Germany

[5] Petersburg Nucl Phys Inst, St Petersburg 188300, Russia

来源：

EPL | 2010年 / 90卷 / 03期

关键词：

LEADS;

D O I：

10.1209/0295-5075/90/37003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We develop a bosonization technique for one-dimensional fermions out of equilibrium. The approach is used to study a quantum wire attached to two electrodes with arbitrary energy distributions. The non-equilibrium electron Green function is expressed in terms of functional determinants of a single-particle "counting" operator with a time-dependent scattering phase. The result reveals an intrinsic relation of dephasing and energy redistribution in Luttinger-liquids to "fractionalization" of electron-hole excitations in the tunneling process and at boundaries with leads.

引用

页数：5

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