η string formation in QCD chiral phase transition

XU Xiao-Mei; FU Yong-Ping; LI Yun-De

doi:10.1088/1674-1137/34/4/004

Chinese Physics C> 2010, Vol. 34> Issue(4) : 444-447 DOI: 10.1088/1674-1137/34/4/004

η string formation in QCD chiral phase transition

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Abstract：
In the paper we discuss the role of the axial U(1)_A symmetry in the chiral phase transition using the U(N_f)_R×U(N_f)_L linear sigma model with two massless quark flavors. It is expected that above a certain temperature the axial U(1)_A symmetry will be restored. A string-like static solution, the η string can be formed and detected in the ultrarelativistic heavy-ion collision process.

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XU Xiao-Mei, FU Yong-Ping and LI Yun-De. η string formation in QCD chiral phase transition[J]. Chinese Physics C, 2010, 34(4): 444-447. doi: 10.1088/1674-1137/34/4/004

XU Xiao-Mei, FU Yong-Ping and LI Yun-De. η string formation in QCD chiral phase transition[J]. Chinese Physics C, 2010, 34(4): 444-447. doi: 10.1088/1674-1137/34/4/004 shu

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Received: 2009-05-22
Revised: 2009-07-24

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

η string formation in QCD chiral phase transition

Corresponding author: FU Yong-Ping,

Received Date: 2009-05-22

Accepted Date: 2009-07-24

Available Online: 2010-04-05

Abstract:

In the paper we discuss the role of the axial U(1)_A symmetry in the chiral phase transition using the U(N_f)_R×U(N_f)_L linear sigma model with two massless quark flavors. It is expected that above a certain temperature the axial U(1)_A symmetry will be restored. A string-like static solution, the η string can be formed and detected in the ultrarelativistic heavy-ion collision process.

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η string formation in QCD chiral phase transition

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通讯作者: 陈斌, bchen63@163.com

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