非对易时空效应与引力
Noncommutative spacetime effects and gravitation
摘要：
近年来，量子超弦和量子引力的方法已经开始依赖于不可微的时空流形。这些抛出了一个非对易时空几何，我们考虑质量的起源和狄拉克方程在这方面的相关修改。这也给引力本身带来了一些启发。
英文摘要：
In recent years Quantum Superstrings and Quantum Gravity approaches have come to rely on non differenciable spacetime manifolds. These throw up a noncommutative spacetime geometry and we consider the origin of mass and a related modification of the Dirac equation in this context. This also throws some light on gravitation itself.
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