接触几何与量子力学
Contact Geometry and Quantum Mechanics
摘要：
我们提出了一种量子力学的一般协变方法，其中广义位置、动量和时间变量被视为基本相时空上的坐标。“我们证明，这个协变起点使量子化成为纯粹的几何平坦性条件。这使得量子力学成为纯粹的几何学，甚至可能是拓扑学。我们的方法是特别有用的依赖于时间的问题和系统的模糊性的时钟或观察员的选择。作为副产品，我们给出了标准量子力学的维格纳函数的推导和推广。
英文摘要：
We present a generally covariant approach to quantum mechanics in which generalized positions, momenta and time variables are treated as coordinates on a fundamental "phase-spacetime." We show that this covariant starting point makes quantization into a purely geometric flatness condition. This makes quantum mechanics purely geometric, and possibly even topological. Our approach is especially useful for time-dependent problems and systems subject to ambiguities in choices of clock or observer. As a byproduct, we give a derivation and generalization of the Wigner functions of standard quantum mechanics.
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