瞬间的奥秘

The Mystery of an Instant

物理学中空间的点对应于时间中的“瞬间”.相对论,量子论和场论中质点模型的失效,应当自然地导致“瞬间”概念随之失效.真正的瞬间必定是包含“过去———现在———未来”的微小绵延,也就是在当下的现在时刻渗透着过去和未来的小片段.对量子论中时间概念的哲学分析揭露了生命哲学与存在主义等思辨哲学包含的真理,但有待于与具体的物理模型结合起来.玻尔认为,时间只有在测量时才有意义;薛定谔认为,EPR关联是由于经典时空和量子论时空的不协调造成的;彭罗斯认为微观时空是多重复合的.我们认为,在量子论中,瞬间概念和质点模型一样,是忽视物体运动时空形象的理想化结果.

In physics, a point in space corresponds to an instant in time . If particle models become invalid in relativity, then the “instant” concept will lose efficacy naturally in the quantum theory and the field theory. A real instant should be a small duration, it likes a time piece of “past-precence-future”. Our philosophical analysis about the time concept in quantum theory reveals the truth of speculative philosophy such as life philosophy, existentialism. This kind of philosophical analysis should connect with some concrete physi cal models. Niels Bohr thinked that time has physical meaning only when we measure a physical process. Erwin Schrodinger think that EPR correlation originates from conflicts between classical space-time and quan- tum space-time. Roger Penrose think that micro-space-time is compound folded . This paper gets a conclusion that the instant concept is like the particle model in quantum theory, they are ideal models when we ignore a space-time image of a moving body.