SUPERLUMINAL (BUT CAUSAL) PROPAGATION OF WAVE-PACKETS IN TRANSPARENT MEDIA WITH INVERTED ATOMIC POPULATIONS

被引：188
作者：
CHIAO, RY
机构：
[1] Department of Physics, University of California, Berkeley
来源：
PHYSICAL REVIEW A | 1993年 / 48卷 / 01期
关键词：
D O I：
10.1103/PhysRevA.48.R34
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The propagation of limited-bandwidth signals, such as Gaussian wave packets, tuned to a transparent spectral region far below the resonance of an inverted two-level atomic medium, can be superluminal, i.e., with phase, group, and energy velocities all exceeding the vacuum speed of light c. Causality is not violated, however. Little distortion and gain can accompany this propagation.
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页码：R34 / R37
页数：4
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