Finite-temperature spectral function of the vector mesons in a holographic QCD model

Mitsutoshi Fujita, Kenji Fukushima, Tatsuhiro Misumi, Masaki Murata

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

We use the soft-wall anti-de Sitter/QCD model to investigate the finite-temperature effects on the spectral function in the vector channel. The dissociation of the vector meson tower onto the anti-de Sitter black hole leads to the in-medium mass shift and the width broadening in a way similar to the lattice QCD results for the heavy quarkonium at finite temperature. We also show the momentum dependence of the spectral function and find it consistent with screening in a hot wind.

Original languageEnglish
Article number035001
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume80
Issue number3
DOIs
Publication statusPublished - 2009 Aug 4

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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