Effects of Explicit Su-f(3) Breaking on the Quark Condensates
Jun, 19875 pages
Published in:
- Phys.Lett.B 198 (1987) 126-130
- Published: 1987
Report number:
- KEK-TH-167,
- KEK-Preprint-87-37
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Abstract: (Elsevier)
Effects of the explicit breaking of flavour symmetry on the quark condensates in the large- N c limit are examined with the use of a QCD-motivated effective lagrangian. It is shown that, as the current mass increases, the non-perturbative quark condensate decreases in the absolute values, which agrees well with that obtained from QCD sum rules, not only qualitatively but also quantitatively. The condensatesat finite temperature are also investigated in relation to the chiral transition.- QUANTUM CHROMODYNAMICS
- FIELD THEORY: EFFECTIVE LAGRANGIANS
- FIELD THEORETICAL MODEL: JONA-LASINIO-NAMBU
- QUARK: CONDENSATION
- SYMMETRY: U(3)
- SYMMETRY BREAKING: CHIRAL
- FERMION: FLAVOR
- EXPANSION 1/N
- FIELD THEORY: FINITE TEMPERATURE
- QUARK: MASS
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