山羊 发表于 2025-3-26 23:41:28
http://reply.papertrans.cn/17/1639/163848/163848_31.pngdysphagia 发表于 2025-3-27 04:37:57
https://doi.org/10.1007/978-1-4302-0327-8y requires the spacetime to be Lorentzian, the EAA is defined by means of a Euclidean path integral. In the context of Quantum Field Theory, the Lorentzian signature can be recovered by Wick-rotating all time-like quantities.出血 发表于 2025-3-27 08:36:41
http://reply.papertrans.cn/17/1639/163848/163848_33.png无底 发表于 2025-3-27 10:20:58
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