Meson spectral functions at finite temperature
Oct, 2001
3 pages
Part of Lattice field theory. Proceedings, 19th International Symposium, Lattice 2001, Berlin, Germany, August 19-24, 2001, 510-512
Published in:
- Nucl.Phys.B Proc.Suppl. 106 (2002) 510-512
Contribution to:
e-Print:
- hep-lat/0110132 [hep-lat]
Report number:
- DESY-01-153,
- BI-TP-2001-24
View in:
Citations per year
Abstract:
The Maximum Entropy Method provides a Bayesian approach to reconstruct the spectral functions from discrete points in Euclidean time. The applicability of the approach at finite temperature is probed with the thermal meson correlation function. Furthermore the influence of fuzzing/smearing techniques on the spectral shape is investigated. We present first results for meson spectral functions at several temperatures below and above . The correlation functions were obtained from quenched calculations with Clover fermions on large isotropic lattices of the size . We compare the resulting pole masses with the ones obtained from standard 2-exponential fits of spatial and temporal correlation functions at finite temperature and in the vacuum. The deviation of the meson spectral functions from free spectral functions is examined above the critical temperature.Note:
- Lattice2001(hightemp), 3 pages, 6 figures
- talk: Berlin 2001/08/19
- fermion: lattice field theory
- gauge field theory: SU(3)
- finite temperature
- meson: correlation function
- spectral representation
- numerical calculations: Monte Carlo
References(8)
Figures(0)