Photoemission rate of strongly interacting quark-gluon plasma at finite densityopen access
- Authors
- Jo, Kwanghyun; Sin, Sang-Jin
- Issue Date
- Jan-2011
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.83, no.2, pp.1 - 16
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 83
- Number
- 2
- Start Page
- 1
- End Page
- 16
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/151346
- DOI
- 10.1103/PhysRevD.83.026004
- ISSN
- 1550-7998
- Abstract
- We calculate the thermal spectral function of strongly interacting Yang-Mills plasma with finite density using the holographic technique. The gravity dual of the finite temperature and density is taken as the Reissner-Nordstrom-anti-de Sitter black hole. In the presence of charge, linearized vector modes of gravitational and electromagnetic perturbation are coupled with each other. By introducing master variables for these modes, we solve the coupled system and calculate spectral function. The spectral function gets a new peak due to the density effect, which is most dramatic in the momentum plot with fixed frequency. We also calculate the photoemission rate of our gauge theory plasma from the spectral function for lightlike momentum. AC, dc conductivity, and their density dependence is also computed.
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