Quantum Physics

    

An Enlightening Perspective on Quantum Time

Authors: Qiuyu Shan

This paper identifies a long-overlooked issue in foundational physics and proposes a tentative solution: Einstein's clock synchronization scheme cannot be realized at the quantum scale, yet Quantum Field Theory (QFT) employs this unexamined scheme and relies on continuous spacetime coordinates as its foundation. This paper presents a new scheme for defining simultaneity at the quantum scale. Within this scheme, interesting conclusions such as discrete spacetime can be derived, illustrating how it can provide a foundation for the ultraviolet cutoff in renormalization methods, and also offer a possible operational basis for the background spacetime of QFT. It further discusses how to recover traditional Lorentz transformations and the Schrödinger equation by stipulating good clocks, and presents some currently testable corollaries.

Comments: 18 Pages.

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Submission history

[v1] 2025-10-29 20:57:53

Unique-IP document downloads: 146 times

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