Zero--Bias Anomaly in Finite Size Systems

Preprint

4 February 1996

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9602015

Abstract

The small energy anomaly in the single particle density of states of disordered interacting systems is studied for the zero dimensional case. This anomaly interpolates between the non--perturbative Coulomb blockade and the perturbative limit, the latter being an extension of the Altshuler--Aronov zero bias anomaly at d=0. Coupling of the zero dimensional system to a dissipative environment leads to an effective screening of the interaction and a modification of the density of states.

Keywords

DENSITY OF STATES
INTERPOLATES
BIAS ANOMALY
MODIFICATION
SMALL ENERGY
SIZE SYSTEMS
FINITE SIZE
COULOMB
ZERO

All Related Versions

Version 1, 1996-02-04, ArXiv
Published version: Physical Review B, 54 (8), 5428.

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