Thermodynamics of the Schwinger and Thirring Models
19876 pages
Published in:
- Phys.Rev.D 35 (1987) 3161-3166
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Abstract: (APS)
The thermodynamical partition functions for both the Schwinger and Thirring models are evaluated. The imaginary-time formalism of quantum field theory at finite temperature and path-integral methods are used. For the Schwinger model, the partition function displays two features: (i) no physical (transverse) photons exist in 1+1 dimensions; (ii) the theory also describes just free massive bosons. For the Thirring model, the partition function equals that for free massless fermions. The complete thermodynamical propagators and the energies per unit volume at finite temperature are also given.- FIELD THEORETICAL MODEL: SCHWINGER
- Thirring model
- FIELD THEORY: TWO-DIMENSIONAL
- FIELD THEORY: PATH INTEGRAL
- FIELD THEORY: FINITE TEMPERATURE
- THERMODYNAMICS: PARTITION FUNCTION
- PERTURBATION THEORY: HIGHER-ORDER
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