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作者机构:Center for Theoretical Physics Laboratory for Nuclear Science and Department of Physics Massachusetts Institute of Technology Cambridge Massachusetts 02139 USA
出 版 物:《Physical Review D》 (Phys Rev D Part Fields Gravit Cosmol)
年 卷 期:2005年第72卷第2期
页 面:021301(R)-021301(R)页
核心收录:
学科分类:07[理学] 0827[工学-核科学与技术] 0704[理学-天文学] 0702[理学-物理学]
摘 要:In discussions of the cosmological constant, the Casimir effect is often invoked as decisive evidence that the zero-point energies of quantum fields are “real. On the contrary, Casimir effects can be formulated and Casimir forces can be computed without reference to zero-point energies. They are relativistic, quantum forces between charges and currents. The Casimir force (per unit area) between parallel plates vanishes as α, the fine structure constant, goes to zero, and the standard result, which appears to be independent of α, corresponds to the α→∞ limit.