Spectral continuity in dense QCD

Tetsuo Hatsuda, Motoi Tachibana, Naoki Yamamoto

研究成果: Article

19 引用 (Scopus)

抜粋

The vector mesons in three-flavor quark matter with chiral and diquark condensates are studied using the in-medium QCD sum rules. The diquark condensate leads to a mass splitting between the flavor-octet and flavor-singlet channels. At high density, the singlet vector meson disappears from the low-energy spectrum, while the octet vector mesons survive as light excitations with a mass comparable to the fermion gap. A possible connection between the light gluonic modes and the flavor-octet vector mesons at high density is also discussed.

元の言語English
記事番号011501
ジャーナルPhysical Review D - Particles, Fields, Gravitation and Cosmology
78
発行部数1
DOI
出版物ステータスPublished - 2008 7 8
外部発表Yes

ASJC Scopus subject areas

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

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