Finite-size behavior near the critical point of QCD phase-transition

CHEN Li-Zhu; CHEN Yun-Yun; WU Yuan-Fang

doi:10.1088/1674-1137/38/10/104103

Chinese Physics C> 2014, Vol. 38> Issue(10) : 104103 DOI: 10.1088/1674-1137/38/10/104103

Finite-size behavior near the critical point of QCD phase-transition

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Abstract：
It is pointed out that the finite-size effect is not negligible in locating the critical point of quantum colordynamics (QCD) phase transitions at current relativistic heavy ion collisions. The finite-size scaling form of the critical related observable is suggested. Its fixed point behavior at critical incident energy can be served as a reliable identification of a critical point and nearby boundary of QCD phase transition. How to experimentally find the fixed point behavior is demonstrated by using 3D-Ising model as an example. The validity of the method at finite detector acceptances at RHIC is also discussed.

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CHEN Li-Zhu, CHEN Yun-Yun and WU Yuan-Fang. Finite-size behavior near the critical point of QCD phase-transition[J]. Chinese Physics C, 2014, 38(10): 104103. doi: 10.1088/1674-1137/38/10/104103

CHEN Li-Zhu, CHEN Yun-Yun and WU Yuan-Fang. Finite-size behavior near the critical point of QCD phase-transition[J]. Chinese Physics C, 2014, 38(10): 104103. doi: 10.1088/1674-1137/38/10/104103 shu

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Received: 2013-11-19
Revised: 2014-04-11

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沈阳化工大学材料科学与工程学院沈阳 110142

Finite-size behavior near the critical point of QCD phase-transition

Corresponding author: CHEN Li-Zhu,

Received Date: 2013-11-19

Accepted Date: 2014-04-11

Available Online: 2014-10-05

Abstract: It is pointed out that the finite-size effect is not negligible in locating the critical point of quantum colordynamics (QCD) phase transitions at current relativistic heavy ion collisions. The finite-size scaling form of the critical related observable is suggested. Its fixed point behavior at critical incident energy can be served as a reliable identification of a critical point and nearby boundary of QCD phase transition. How to experimentally find the fixed point behavior is demonstrated by using 3D-Ising model as an example. The validity of the method at finite detector acceptances at RHIC is also discussed.

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Finite-size behavior near the critical point of QCD phase-transition

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