论文标题
在广义标量调节理论中，黑洞的批判标量和淡化黑孔化
Critical scalarization and descalarization of black holes in a generalized scalar-tensor theory
论文作者
论文摘要
我们研究了通用理论中完全非线性动力学演化中标态和降钙化中的临界动力学，标量场耦合与高斯 - 骨网不变和RICCI标量。我们探讨了高斯 - 骨网术语如何触发黑洞标量。观察到了典型的I型关键现象，其中不稳定的关键解决方案在阈值处出现，并在动态标量中充当吸引子。在朝下化中，在脱落黑洞头发的一阶相变的阈值处存在一个边缘稳定的吸引子。这是黑洞相变的一种新型I类临界现象。从热力学特性和静态溶液的扰动的角度讨论了这些发现的含义。我们检查了标量 - 偶联耦合对完全非线性演化中双曲线的影响，并发现这种耦合可以抑制椭圆区域并扩大计算中的参数空间。
We study the critical dynamics in the scalarization and descalarization in the fully nonlinear dynamical evolution in a general theory with scalar field coupling with both Gauss-Bonnet invariant and Ricci scalar. We explore how the Gauss-Bonnet term triggers the black hole scalarization. A typical type I critical phenomenon is observed, where an unstable critical solution emerges at the threshold and acts as an attractor in the dynamical scalarization. In the descalarization, a marginally stable attractor exists at the threshold of the first order phase transition in shedding off black hole hair. This is a new type I critical phenomenon in the black hole phase transition. Implications of these findings are discussed from the perspective of thermodynamic properties and perturbations for static solutions. We examine the effect of scalar-Ricci coupling on the hyperbolicity in the fully nonlinear evolution and find that such coupling can suppress the elliptic region and enlarge parameter space in computations.
