Effects due to finite values of the temperature and the chemical potential in some two-dimensional field models

Journal Article · Wed Jun 01 00:00:00 EDT 1988 · Theor. Math. Phys.; (United States)

OSTI ID:5973826

Osipov, V A; Fedyanin, V K

A study is made in the mean field approximation of the ground-state structure of the Gross-Neveu model as N /yields/ /infinity/ and the two-dimensional (1 + 1) /var phi//sup 4/ model with fermions at finite values of the temperature T and chemical potential /alpha/ of the fermions. The critical values T/sub c/ and /alpha//sub c/ at which the symmetry of the system, which is spontaneously broken at T = /alpha/ = 0, is restored are obtained. The possibility of using the obtained results to describe the physical property is of quasione-dimensional systems in the theory of condensed media is discussed.

• Research Organization: Joint Institute for Nuclear Research, Dubna (USSR)
• OSTI ID: 5973826
• Journal Information: Theor. Math. Phys.; (United States), Vol. 73:3; Other Information: Translated from Teor. Mat. Fiz.; 73: No. 3, 393-401(Dec 1987)
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
LAGRANGIAN FIELD THEORY
TEMPERATURE EFFECTS
PHI4-FIELD THEORY
CHIRAL SYMMETRY
CRITICAL TEMPERATURE
DIRAC EQUATION
FERMIONS
GROUND STATES
MEAN-FIELD THEORY
PARTICLE MODELS
POTENTIALS
RENORMALIZATION
SOLITONS
SYMMETRY BREAKING
TWO-DIMENSIONAL CALCULATIONS
DIFFERENTIAL EQUATIONS
ENERGY LEVELS
EQUATIONS
FIELD THEORIES
MATHEMATICAL MODELS
PARTIAL DIFFERENTIAL EQUATIONS
PHYSICAL PROPERTIES
QUANTUM FIELD THEORY
QUASI PARTICLES
SYMMETRY
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
WAVE EQUATIONS
645400* - High Energy Physics- Field Theory