Fluctuation effects of meson fields on quantum hadrodynamics at finite temperature

Journal Article · Thu Oct 01 00:00:00 EDT 1992 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.46.1528· OSTI ID:7199552

Su, R ^[1]; Qian, Z ^[2]

---

1. China Center of Advanced Science and Technology (World Laboratory), P. O. Box 8730, Beijing (China) Department of Physics, Fudan University, Shanghai, 200433 (China)
2. Department of Physics, Fudan University, Shanghai, 200433 (China)

By means of the real-time Green's functions method with a pair cutoff approximation up to the second order, the thermal fluctuation effects of meson fields on quantum hadrodynamics are investigated. We find that the fluctuation effects of saturation energy, effective mass of nucleon, and the pressure are considerable in low baryon density regions and/or high temperature regions. The results given by pair cutoff theory and by mean field theory are compared.

• OSTI ID: 7199552
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 46:4; ISSN 0556-2813; ISSN PRVCA
• Country of Publication: United States
• Language: English

Related Subjects

663110* -- General & Average Properties of Nuclei & Nuclear Energy Levels-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYONS
BOSON-EXCHANGE MODELS
BOSONS
ELEMENTARY PARTICLES
FERMIONS
FIELD THEORIES
FLUCTUATIONS
FUNCTIONS
GREEN FUNCTION
HADRONS
HYDRODYNAMIC MODEL
HYPERONS
LAGRANGIAN FUNCTION
MATHEMATICAL MODELS
MATTER
MEAN-FIELD THEORY
MESONS
NUCLEAR MATTER
OBE MODEL
OMEGA BARYONS
OMEGA PARTICLES
PARTICLE MODELS
PERIPHERAL MODELS
QUANTUM FIELD THEORY
SIGMA BARYONS
SIGMA PARTICLES
STATISTICAL MODELS
STRANGE PARTICLES
THERMODYNAMIC MODEL
VARIATIONS