论文标题
成像拓扑唯一：阴影背后的微观结构
Imaging Topological Solitons: the Microstructure Behind the Shadow
论文作者
论文摘要
我们研究具有与Schwarzschild黑洞相同的渐进性能的拓扑孤子中的光子测量学。这些是字符串理论中的连贯状态，通过紧凑的额外维度的动力学对应于时空的纯变形。我们通过计算无效的测量学，得出Lyapunov指数并成像其几何形状，将这些解决方案与Schwarzschild黑洞进行比较。我们表明，拓扑孤子与在表观大小和散射特性中的黑洞非常相似，同时保持光滑且无光泽。从光子散射的角度来看，传入的光子经历了很高的红移，诱导了现象学范围的行为。因此，它们为现实世界中的引力孤子子提供了一个令人信服的案例，以及弦理论中黑洞的拓扑替代方案。
We study photon geodesics in topological solitons that have the same asymptotic properties as Schwarzschild black holes. These are coherent states in string theory corresponding to pure deformations of spacetime through the dynamics of compact extra dimensions. We compare these solutions with Schwarzschild black holes by computing null geodesics, deriving Lyapunov exponents, and imaging their geometries as seen by a distant observer. We show that topological solitons are remarkably similar to black holes in apparent size and scattering properties, while being smooth and horizonless. Incoming photons experience very high redshift, inducing phenomenological horizon-like behaviors from the point of view of photon scattering. Thus, they provide a compelling case for real-world gravitational solitons and topological alternatives to black holes from string theory.
