我怕被刺穿
发表于 2025-4-1 02:14:55
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缺乏
发表于 2025-4-1 07:51:58
Understanding Hawking Radiation from Simple Models of Atomic Bose-Einstein Condensates,a stationary condensate flowing at supersonic speeds. This emission process is a condensed-matter analog of Hawking radiation from astrophysical black holes but is derived here from a microscopic quantum theory of the condensate without any use of the analogy with gravitational systems. To facilitat
抚育
发表于 2025-4-1 10:31:47
Transformation Optics,do the (almost) impossible: invisibility cloaking, perfect imaging, levitation, and the creation of analogues of the event horizon. This chapter gives an introduction to this field requiring minimal prerequisites.