Resummation of infrared divergences in the free energy of spin-two fields
Contribuinte(s) |
UNIVERSIDADE DE SÃO PAULO |
---|---|
Data(s) |
18/04/2012
18/04/2012
2009
|
Resumo |
We derive a closed form expression for the sum of all the infrared divergent contributions to the free energy of a gas of gravitons. An important ingredient of our calculation is the use of a gauge fixing procedure such that the graviton propagator becomes both traceless and transverse. This has been shown to be possible, in a previous work, using a general gauge fixing procedure, in the context of the lowest order expansion of the Einstein-Hilbert action, describing noninteracting spin-two fields. In order to encompass the problems involving thermal loops, such as the resummation of the free energy, in the present work, we have extended this procedure to the situations when the interactions are taken into account. |
Identificador |
PHYSICAL REVIEW D, v.80, n.2, 2009 1550-7998 http://producao.usp.br/handle/BDPI/16019 10.1103/PhysRevD.80.025024 |
Idioma(s) |
eng |
Publicador |
AMER PHYSICAL SOC |
Relação |
Physical Review D |
Direitos |
restrictedAccess Copyright AMER PHYSICAL SOC |
Palavras-Chave | #QUANTUM-GRAVITY #SUPERGRAVITY #Astronomy & Astrophysics #Physics, Particles & Fields |
Tipo |
article original article publishedVersion |