如果引力本质上是量子的呢？
And what if gravity is intrinsically quantic ?
摘要：
自从早期寻找引力的量子理论以来，人们的尝试主要集中在对一个经典系统的量子化上。引力的两个最有争议的候选理论，斯汀理论和量子环引力是基于量子场论-后者是SU（2）群流形上的连接的量子场论，前者是二维空间中的量子场论。在这里，我们认为，有一个非常密切的关系，量子力学和重力。没有引力，量子力学就变得模棱两可。我们认为这一观察结果是这些基本自然定律之间存在内在联系的证据。我们提出了一个量子的作用和定义的重力在量子宇宙的背景下，并提出了一个初步的制定重力在一个系统中的有限数量的粒子。
英文摘要：
Since the early days of search for a quantum theory of gravity the attempts have been mostly concentrated on the quantization of an otherwise classical system. The two most contentious candidate theories of gravity, sting theory and quantum loop gravity are based on a quantum field theory - the latter is a quantum field theory of connections on a SU(2) group manifold and former a quantum field theory in two dimensional spaces. Here we argue that there is a very close relation between quantum mechanics and gravity. Without gravity quantum mechanics becomes ambiguous. We consider this observation as the evidence for an intrinsic relation between these fundamental laws of nature. We suggest a quantum role and definition for gravity in the context of a quantum universe, and present a preliminary formulation for gravity in a system with a finite number of particles.
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