scholarly journals Transformations of real-time finite-temperature Feynman rules

1994 ◽  
Vol 50 (6) ◽  
pp. 4097-4109 ◽  
Author(s):  
M. A. van Eijck ◽  
R. Kobes ◽  
Ch. G. van Weert
Keyword(s):  
Real Time ◽  
Finite Temperature ◽  
Feynman Rules

Real-time Feynman rules at finite temperature

1996 ◽  
Vol 381 (1-3) ◽  
pp. 262-268 ◽  
Author(s):  
M. Le Bellac ◽  
H. Mabilat
Keyword(s):  
Real Time ◽  
Finite Temperature ◽  
Feynman Rules

Feynman rules for gauge theories at finite temperature

1974 ◽  
Vol 9 (12) ◽  
pp. 3312-3320 ◽  
Author(s):  
Claude W. Bernard
Keyword(s):  
Finite Temperature ◽  
Gauge Theories ◽  
Feynman Rules

FRAGMENTATION FUNCTION IN THERMOFIELD DYNAMICS

2013 ◽  
Vol 28 (10) ◽  
pp. 1350032 ◽  
Author(s):  
M. LADREM ◽  
M. CHEKERKER ◽  
F. C. KHANNA ◽  
A. E. SANTANA
Keyword(s):  
Temperature Effect ◽  
Real Time ◽  
Finite Temperature ◽  
Fragmentation Function ◽  
Wilson Loop ◽  
High Energy ◽  
Quantum Field ◽  
Field Formalism ◽  
Definition Of

The fragmentation function at high energy experiments is introduced by using thermofield dynamics (TFD), a real-time finite-temperature quantum field formalism. Due to the structure of TFD, the results at T = 0 and T ≠ 0 are split in a direct way. As an application, we consider the temperature effect on the fragmentation function of a hadron leading to quark–antiquark pairs. Using a definition of Wilson-loop in real-time, we find that the fragmentation function decreases in magnitude with an increase in the temperature.

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