A string theoretic derivation of Gibbons-Hawking entropy

IF 2.8 4区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS
Gia Dvali
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引用次数: 0

Abstract

We describe an attempt of string theoretic derivation of the Gibbons-Hawking entropy. Despite not admitting a de Sitter vacuum, the string theory, by the power of open-close correspondence, captures the Gibbons-Hawking entropy as the entropy of Chan-Paton species on a de Sitter-like state obtained via D-branes. Moreover, this derivation sheds a new light at the origin of the area-form, since the equality takes place for a critical ’t Hooft coupling for which the species entropy of open strings saturates the area-law unitarity bound.

长臂猿-霍金熵的弦理论推导。
我们描述了用弦理论推导吉本斯-霍金熵的一种尝试。尽管不承认德西特真空,弦理论,通过开闭对应的力量,捕获了Gibbons-Hawking熵,作为通过d膜获得的类德西特状态上的Chan-Paton种的熵。此外,这一推导对面积形式的起源有了新的认识,因为等式发生在临界t - Hooft耦合中,其中开弦的种熵饱和于面积律的统一界。
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来源期刊
General Relativity and Gravitation
General Relativity and Gravitation 物理-天文与天体物理
CiteScore
4.60
自引率
3.60%
发文量
136
审稿时长
3 months
期刊介绍: General Relativity and Gravitation is a journal devoted to all aspects of modern gravitational science, and published under the auspices of the International Society on General Relativity and Gravitation. It welcomes in particular original articles on the following topics of current research: Analytical general relativity, including its interface with geometrical analysis Numerical relativity Theoretical and observational cosmology Relativistic astrophysics Gravitational waves: data analysis, astrophysical sources and detector science Extensions of general relativity Supergravity Gravitational aspects of string theory and its extensions Quantum gravity: canonical approaches, in particular loop quantum gravity, and path integral approaches, in particular spin foams, Regge calculus and dynamical triangulations Quantum field theory in curved spacetime Non-commutative geometry and gravitation Experimental gravity, in particular tests of general relativity The journal publishes articles on all theoretical and experimental aspects of modern general relativity and gravitation, as well as book reviews and historical articles of special interest.
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