Tunneling into a nonequilibrium Luttinger liquid with impurity

被引：24

作者：

Dinh, Stephane Ngo ^{[1
,2
]}

Bagrets, Dmitry A. ^{[3
]}

Mirlin, Alexander D. ^{[1
,2
,3
,4
]}

机构：

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

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

[3] Karlsruhe Inst Technol, Inst Nanotechnol, D-76021 Karlsruhe, Germany

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

来源：

PHYSICAL REVIEW B | 2010年 / 81卷 / 08期

关键词：

DENSITY-OF-STATES; CARBON NANOTUBES; ENHANCEMENT; TRANSPORT; BEHAVIOR;

D O I：

10.1103/PhysRevB.81.081306

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We evaluate tunneling rates into/from a voltage (U) biased quantum wire containing a weak backscattering defect. Interacting electrons in such a wire form a true nonequilibrium state of the Luttinger liquid (LL). This state is created due to inelastic electron backscattering leading to the emission of nonequilibrium plasmons with typical frequency (h) over bar omega <= U. The tunneling rates are split in two edges. The tunneling exponent at the Fermi edge is positive and equals that of the equilibrium LL, while the exponent at the side edge E(F)-U is negative if Coulomb interaction is not too strong.

引用

页数：4

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