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arXiv 0911.3573hep-th
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三维AdS重力场中的标量头发和精确涡旋解

Scalar hairs and exact vortex solutions in 3D AdS gravity

M. Cadoni, P. Pani, M. Serra

摘要:

我们研究了三维反德西特引力与具有自相互作用势V的复标量场耦合的情况,|ϕ|).我们表明,静态的,旋转对称的,AdS黑洞与标量头发的质量是由标量收费代数。我们将场方程改写为一阶微分方程的线性系统。对于标量场饱和Breitenlohner-Freedman(BF)界和质量渐近为零的标量场,导出了描述具有实球标量毛的三维AdS黑洞的精确解和涡旋黑洞解的封闭形式.这些解决方案的物理性质进行了讨论。特别地,我们证明了涡旋解插值于两个不同的AdS_{3}真空之间,分别对应于势V的U(1)-保序最大值和破序最小值。

英文摘要:

We investigate three-dimensional (3D) Anti-de Sitter (AdS) gravity coupled to a complex scalar field ϕwith self-interaction potential V(|ϕ|). We show that the mass of static, rotationally symmetric, AdS black hole with scalar hairs is determined algebraically by the scalar charges. We recast the field equations as a linear system of first order differential equations. Exact solutions, describing 3D AdS black holes with real spherical scalar hairs and vortex-black hole solutions are derived in closed form for the case of a scalar field saturating the Breitenlohner-Freedman (BF) bound and for a scalar field with asymptotic zero mass. The physical properties of these solutions are discussed. In particular, we show that the vortex solution interpolates between two different AdS_{3} vacua, corresponding respectively to a U(1)-symmetry-preserving maximum and to a symmetry-breaking minimum of the potential V.

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