Effects of Temperature on Dense Matter with Neutrino Trapping

ZHOU Ran; GUO Hua

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2005, Vol. 29> Issue(3) : 273-277

Effects of Temperature on Dense Matter with Neutrino Trapping

ZHOU Ran ^, ,
GUO Hua

Department of Technical Physics,and MOE Laboratory of Heavy Ion Physics,Peking University,Beijing 100871,China2 Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator of Lanzhou,Lanzhou 730000,China

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Abstract：
A chiral hadronic model is applied to the investigation of the influences of temperature on the properties of dense matter with neutrino trapping.Our results show that the proton fraction of the npeν_e system is less sensitive to the variation of temperature than the npe one.The energy densities of both systems increase with temperature.Moreover,the maximum masses and Kepler frequency of protoneutron stars decrease when temperature increases.

References

[1]

. Prakash M, Bombaci I,PrakashM et al. Phys.Rep. , 1997, 280: 1 -772. Chiapparini M, Rodrigues H, Duarte S B.Phys. Rev. , 1996, C54: 936-9413. Sumiyoshi K, Kuwabara H,Toki H.Nuc. Phys. , 1995, A581: 725-7464. GUO Hua,ZHOU Ran. Chin. Phys. Lett . , 2002, 19: 1432-14355. Manka R, Zast awny-Kubica M, Brzezina A et al. J. Phys. , 2001, G27:1917-19386. Furnstahl R J, Tang H B, Serot B D. Phys. Rev. , 1995, C52: 1368-13797. Furnst ahl R J, Tang H B, Serot B D. Nucl. Phys. , 1996, A598: 539-5828. Furnst ahl R J, Serot B D,Tang H B. Nucl. Phys. , 1997, A615: 441-4829. HU Xiang, GUO Hua.Phys. Rev. , 2003, C67: 038001-( 1-4)10. Glendenning N K, Weber F.Phys. Rev. , 1994, D50: 3836-384111. Glendenning N K. Phys.Rev. Lett. , 2000, 85: 1150-115312. Glendenning N K. Compact Stars. Springer: Spring-Verlag New York,Inc. , 2000

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ZHOU Ran and GUO Hua. Effects of Temperature on Dense Matter with Neutrino Trapping[J]. Chinese Physics C, 2005, 29(3): 273-277.

ZHOU Ran and GUO Hua. Effects of Temperature on Dense Matter with Neutrino Trapping[J]. Chinese Physics C, 2005, 29(3): 273-277. shu

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Received: 2004-08-05
Revised: 1900-01-01

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Effects of Temperature on Dense Matter with Neutrino Trapping

ZHOU Ran ^,
GUO Hua

Corresponding author: ZHOU Ran,

Department of Technical Physics,and MOE Laboratory of Heavy Ion Physics,Peking University,Beijing 100871,China2 Center of Theoretical Nuclear Physics,National Laboratory of Heavy Ion Accelerator of Lanzhou,Lanzhou 730000,China

Received Date: 2004-08-05
Accepted Date: 1900-01-01
Available Online: 2005-03-05

Abstract: A chiral hadronic model is applied to the investigation of the influences of temperature on the properties of dense matter with neutrino trapping.Our results show that the proton fraction of the npeν_e system is less sensitive to the variation of temperature than the npe one.The energy densities of both systems increase with temperature.Moreover,the maximum masses and Kepler frequency of protoneutron stars decrease when temperature increases.