BFKL equation at finite temperature

Kazuaki Ohnishi; Lee Houng Su

doi:10.3938/jkps.54.2225

BFKL equation at finite temperature

Kazuaki Ohnishi, Lee Houng Su

Department of Physics

Research output: Contribution to journal › Article

Abstract

We consider the color glass condensate (CGC) at finite temperature, which would be relevant to the initial condition of relativistic heavy ion collisions and the energy loss of energetic partons in the quark-gluon plasma. In the weak source approximation, we derive the thermal Balitsky-Fadin-Kuraev-Lipatov (BFKL) equation. We find that the thermal effect shows up as a Bose enhancement of the soft gluon emission if the temperature is high enough to match the light-cone energy of the soft gluons. This suggests that the saturation region could be reached sooner than in the vacuum.

Original language	English
Pages (from-to)	2225-2234
Number of pages	10
Journal	Journal of the Korean Physical Society
Volume	54
Issue number	6
DOIs	https://doi.org/10.3938/jkps.54.2225
Publication status	Published - 2009 Jun 1

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All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

Cite this

Ohnishi, K., & Su, L. H. (2009). BFKL equation at finite temperature. Journal of the Korean Physical Society, 54(6), 2225-2234. https://doi.org/10.3938/jkps.54.2225

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AB - We consider the color glass condensate (CGC) at finite temperature, which would be relevant to the initial condition of relativistic heavy ion collisions and the energy loss of energetic partons in the quark-gluon plasma. In the weak source approximation, we derive the thermal Balitsky-Fadin-Kuraev-Lipatov (BFKL) equation. We find that the thermal effect shows up as a Bose enhancement of the soft gluon emission if the temperature is high enough to match the light-cone energy of the soft gluons. This suggests that the saturation region could be reached sooner than in the vacuum.

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10.3938/jkps.54.2225