Scale anomalies in nonrelativistic field theories in 2+1 dimensions
Journal Article
·
· Physical Review, D (Particles Fields); (United States)
- Institute of Physics, University of Oslo, N-0316 Oslo (Norway)
From the one-loop effective potential for a gas of nonrelativistic bosons in two spatial dimensions interacting via a [delta]-function potential at zero temperature and finite chemical potential, the anomaly of the energy-momentum tensor follows directly. It is also similarly derived when the bosons have an additional Chern-Simons interaction. In the special case of anyons, the scale anomaly vanishes to one-loop order in the effective potential and also to second order in the statistical angle.
- OSTI ID:
- 5020746
- Journal Information:
- Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 49:8; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
661100* -- Classical & Quantum Mechanics-- (1992-)
661300 -- Other Aspects of Physical Science-- (1992-)
662210 -- Specific Theories & Interaction Models
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANYONS
BOSONS
COUPLING CONSTANTS
ENERGY-MOMENTUM TENSOR
FIELD THEORIES
POTENTIALS
Pa
Particle Systematics-- Unified Theories & Models-- (1992-)
QUASI PARTICLES
TENSORS
THREE-DIMENSIONAL CALCULATIONS
661300 -- Other Aspects of Physical Science-- (1992-)
662210 -- Specific Theories & Interaction Models
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANYONS
BOSONS
COUPLING CONSTANTS
ENERGY-MOMENTUM TENSOR
FIELD THEORIES
POTENTIALS
Pa
Particle Systematics-- Unified Theories & Models-- (1992-)
QUASI PARTICLES
TENSORS
THREE-DIMENSIONAL CALCULATIONS