Temperature and density effects on the one-pion exchange potential

Journal Article · Mon Feb 01 04:00:00 EST 1993 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.47.877· OSTI ID:6992552

Qian, Z ^[1]; Su, C ^[2]; Su, R ^[3]

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1. Department of Physics, Fudan University, Shanghai 200433 (China)
2. Shanghai Observatory, Academia Sinica, Shanghai 200030 (China)
3. China Center of Advanced Science and Technology (World Laboratory), P.O. Box 8730, Beijing (China) Department of Physics, Fudan University, Shanghai 200433 (China)

After considering the vacuum polarization and the radiative correction of the nucleon-nucleon-pion ([ital NN][pi]) system, the one-pion exchange potential with pseudovector coupling or pseudoscalar coupling at finite temperature and finite density is investigated. By using finite-temperature and density quantum field theory, we find that both the pseudovector and pseudoscalar effective coupling of [ital NN][pi] decrease as temperature and/or density increase, and drop remarkably at high temperature regions and/or high density regions. At a critical temperature [ital T][sub [ital c]] or a critical density [rho][sub [ital c]], the effective [ital NN][pi] coupling diminishes to zero and the one-pion exchange potential vanishes.

• OSTI ID: 6992552
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 47:2; ISSN 0556-2813; ISSN PRVCAN
• 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
ALGEBRAIC CURRENTS
AXIAL-VECTOR CURRENTS
BARYON-BARYON INTERACTIONS
CURRENTS
DENSITY
HADRON-HADRON INTERACTIONS
INTERACTIONS
MESON-BARYON INTERACTIONS
MESON-NUCLEON INTERACTIONS
NUCLEAR TEMPERATURE
NUCLEON-NUCLEON INTERACTIONS
OPE POTENTIAL
PARTICLE INTERACTIONS
PHYSICAL PROPERTIES
PION-NUCLEON INTERACTIONS
POTENTIALS
THERMODYNAMIC PROPERTIES
VACUUM POLARIZATION