Quasilocal formalism and black-ring thermodynamics

被引：84
作者：
Astefanesei, D
Radu, E
机构：
[1] Harish Chandra Res Inst, Allahabad 211019, Uttar Pradesh, India
[2] Perimeter Inst Theoret Phys, Waterloo, ON N2L 2Y5, Canada
[3] Natl Univ Ireland, Dept Math Phys, Maynooth, Kildare, Ireland
来源：
PHYSICAL REVIEW D | 2006年 / 73卷 / 04期
关键词：
D O I：
10.1103/PhysRevD.73.044014
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The thermodynamical properties of a dipole black ring are derived using the quasilocal formalism. We find that the dipole charge appears in the first law in the same manner as a global charge. Using the Gibbs-Duhem relation, we also provide a nontrivial check of the entropy/area relationship for the dipole ring. A preliminary study of the thermodynamic stability indicates that the neutral ring is unstable to angular fluctuations.
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页数：5
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