Physics – Quantum Physics
Scientific paper
2006-10-19
Physics
Quantum Physics
This paper has been withdrawn by the author due to a crucial error in this paper
Scientific paper
A field-theoretical space-time position operator can be properly introduced for the Dirac field, it plays the role of a generalized Noether charge associated with a local symmetry, and its second-quantized form shows that quantum fields possess zero-point time, which implies that a zero-point fluctuation of energy must be accompanied with a zero-point fluctuation of time, and then in agreement with the time-energy uncertainty principle. In practice, some possible physical effects owing to zero-point time remain to be found.
He Bing
Wang Zhi-Yong
Xiong Cai-Dong
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