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arXiv 1703.10366hep-thmath-phmath.MP
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旋转吸引子的Riemann-Hilbert方法

A Riemann-Hilbert approach to rotating attractors

M. C. Camara, G. L. Cardoso, T. Mohaupt, S. Nampuri

摘要:

通过求解与Breitenlohner-Maison线性方程组相关的Riemann-Hilbert问题,构造了引力理论中的旋转极值黑洞和吸引子解.通过采用向量Riemann-Hilbert分解方法,我们显式分解相应的monodromy矩阵,其中有二阶极点的谱参数。在欠旋转的情况下,我们确定的Geroch组实现哈里森型变换的吸引子几何形状的插值旋转黑洞解的元素。我们使用的因式分解方法产生一个显式的线性系统的解决方案,从中我们不仅获得时空的解决方案,但也是一个明确的表达的主潜在编码的潜力无限多守恒电流,使这一部门的重力可积。

英文摘要:

We construct rotating extremal black hole and attractor solutions in gravity theories by solving a Riemann-Hilbert problem associated with the Breitenlohner-Maison linear system. By employing a vectorial Riemann-Hilbert factorization method we explicitly factorize the corresponding monodromy matrices, which have second order poles in the spectral parameter. In the underrotating case we identify elements of the Geroch group which implement Harrison-type transformations which map the attractor geometries to interpolating rotating black hole solutions. The factorization method we use yields an explicit solution to the linear system, from which we do not only obtain the spacetime solution, but also an explicit expression for the master potential encoding the potentials of the infinitely many conserved currents which make this sector of gravity integrable.

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