Published July 21, 1988 | Version v1
Journal article Metadata-only

Exact density of states of a two-dimensional Dirac operator in a random magnetic field

Creators

  • 1. Paris-11 Univ., 91 - Orsay (France). Div. de Physique Theorique
  • 2. Ecole Normale Superieure, 75 - Paris (France). Lab. de Physique Theorique
  • 3. Yale Univ., New Haven, CT (USA). Sloane Physics Lab.

Description

A two-dimensional euclidean Dirac operator describing the interaction of fermions with a random magnetic field is presented. For a gaussian disorder, the problem becomes equivalent to a one-dimensional classical diffusion in a random medium. This analogy is used to obtain an explicit formula for the averaged density of states which displays an enhancement at low energy as compared to the free theory. (orig.)

Additional details

Publishing Information

Journal Title
Phys. Lett., B
Journal Volume
208
Journal Issue
3/4
Series
Phys. Lett., B.
Journal Page Range
487-490
ISSN
0370-2693
CODEN
PYLBA

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
19094596
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
DIFFUSION; DIRAC OPERATORS; ENERGY DEPENDENCE; ENERGY-LEVEL DENSITY; FERMIONS; INTERACTIONS; LAGRANGIAN FIELD THEORY; MAGNETIC FIELDS; RANDOMNESS; TWO-DIMENSIONAL CALCULATIONS; UNIFIED GAUGE MODELS
Descriptors DEC
FIELD THEORIES; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; PARTICLE MODELS; QUANTUM FIELD THEORY; QUANTUM OPERATORS