信息几何与Dicke模型中的量子相变
Information Geometry and Quantum Phase Transitions in the Dicke Model
摘要：
在热力学极限下，研究Dicke模型的信息几何.计算了在模型参数空间上诱导的黎曼度量张量的标量曲率$R$。我们分析了这两个旋转波近似和不旋转波近似，并表明，参数流形是光滑的，即使在相变，和标量曲率是连续的相边界。
英文摘要：
We study information geometry of the Dicke model, in the thermodynamic limit. The scalar curvature $R$ of the Riemannian metric tensor induced on the parameter space of the model is calculated. We analyze this both with and without the rotating wave approximation, and show that the parameter manifold is smooth even at the phase transition, and that the scalar curvature is continuous across the phase boundary.
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