| Item type |
デフォルトアイテムタイプ_（フル）(1) |
| 公開日 |
2023-03-18 |
| タイトル |
|
|
タイトル |
Bulk first-order phase transition in three-flavor lattice QCD with O(a)-improved Wilson fermion action at zero temperature |
|
言語 |
en |
| 作成者 |
Aoki, S.
Fukugita, M.
Hashimoto, S.
Ishikawa, Kenichi
Ishizuka, N.
Iwasaki, Y.
Kanaya, K.
Kaneko, T
Kuramashi, Y.
Okawa, Masanori
Tsutsui, N.
Ukawa, A.
Yamada, N.
Yoshie, T.
|
| アクセス権 |
|
|
アクセス権 |
open access |
|
アクセス権URI |
http://purl.org/coar/access_right/c_abf2 |
| 権利情報 |
|
|
権利情報 |
Copyright (c) 2005 American Physical Society |
| 主題 |
|
|
主題Scheme |
Other |
|
主題 |
three-flavor lattice QCD |
| 主題 |
|
|
主題Scheme |
Other |
|
主題 |
fermion algorithm |
| 主題 |
|
|
主題Scheme |
Other |
|
主題 |
Wilson-type fermions |
| 主題 |
|
|
主題Scheme |
NDC |
|
主題 |
420 |
| 内容記述 |
|
|
内容記述 |
Three-flavor QCD simulation with the O(a)-improved Wilson fermion action is made employing an exact fermion algorithm developed for an odd number of quark flavors. For the plaquette gauge action, an unexpected first-order phase transition is found in the strong coupling regime (β≲5.0) at relatively heavy quark masses (mPS/mV∼0.74–0.87). Strong metastability persists on a large lattice of size 12[3]×32, which indicates that the transition has a bulk nature. The phase gap becomes smaller toward weaker couplings and vanishes at β≃5.0, which corresponds to a lattice spacing a≃0.1 fm. These results imply that realistic simulations of QCD with three flavors of dynamical Wilson-type fermions at lattice spacings in the range a=0.1–0.2 fm are not possible with the plaquette gauge action. Extending the study to improved gauge actions, we do not observe evidence for first-order phase transition, at least within the (β,κ) range we explored. This suggests the possibility that the phase transition either moves away or weakens with improved gauge actions. Possible origins of the phase transition are discussed. |
|
言語 |
en |
| 出版者 |
|
|
出版者 |
American Physical Society |
| 言語 |
|
|
言語 |
eng |
| 資源タイプ |
|
|
資源タイプ識別子 |
http://purl.org/coar/resource_type/c_6501 |
|
資源タイプ |
journal article |
| 出版タイプ |
|
|
出版タイプ |
VoR |
|
出版タイプResource |
http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| 関連情報 |
|
|
|
識別子タイプ |
DOI |
|
|
関連識別子 |
10.1103/PhysRevD.72.054510 |
| 関連情報 |
|
|
関連タイプ |
isVersionOf |
|
|
識別子タイプ |
DOI |
|
|
関連識別子 |
http://dx.doi.org/10.1103/PhysRevD.72.054510 |
| 収録物識別子 |
|
|
収録物識別子タイプ |
ISSN |
|
収録物識別子 |
1550-7998 |
| 開始ページ |
|
|
開始ページ |
054510 |
| 書誌情報 |
Physical Review D
Physical Review D
巻 72,
号 5,
p. 054510,
発行日 2005-09
|
| 旧ID |
14446 |
P022_e054510.pdf (1.2 MB)
