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.
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页数：5
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