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The Gluon propagator at high temperature

Urs M. Heller
(
- Florida State U., SCRI
)
,
F. Karsch
(
- Bielefeld U.
)
,
J. Rank
(
- Bielefeld U.
)

May, 1995

10 pages

Published in:

Phys.Lett.B 355 (1995) 511-517

e-Print:

hep-lat/9505016 [hep-lat]

DOI:

10.1016/0370-2693(95)00748-A

Report number:

BI-TP-95-21,
FSU-SCRI-95-53

View in:

ADS Abstract Service

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Abstract: (DESY)

We study the gluon propagator in Landau gauge in the deconfined phase of

SU(2)

gauge theory. From the long-distance behaviour of correlation functions of temporal and spatial components of the gauge fields we extract electric (

m_e

) and magnetic (

m_m

) screening masses. For temperatures larger than twice

T_c

we find no additional temperature dependence in

m_e(T)/T

, while

m_m(T)/T

drops with increasing temperature. The decrease is consistent with the expected behaviour,

m_m(T) \sim g~2(T)T

. We find

m_e(T) = 2.484(52)T

and

m_m(T) = 0.466(15) g~2(T) T

.

Note:

11 pages, TEX-file, 5 PS-figure Report-no: BI-TP 95/21, FSU-SCRI-95-53

gauge field theory: SU(2)
lattice field theory
finite temperature
Landau gauge
gluon: propagator
mass: screening
screening: mass
numerical calculations: Monte Carlo

References(19)

Figures(0)

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