IS A QUANTUM STANDING WAVE COMPOSED OF 2 TRAVELING WAVES

被引：42

作者：

SHORE, BW

MEYSTRE, P

STENHOLM, S

机构：

[1] UNIV HELSINKI,THEORET PHYS RES INST,SF-00170 HELSINKI 17,FINLAND

[2] UNIV ARIZONA,CTR OPT SCI,TUCSON,AZ 85721

[3] UNIV ARIZONA,DEPT PHYS,TUCSON,AZ 85721

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 1991年 / 8卷 / 04期

关键词：

D O I：

10.1364/JOSAB.8.000903

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We compare the scattering of an atom by two different quantized standing-wave configurations. The first one is established in a cavity by a pair of fixed mirrors. The other consists of two independent counterpropagating traveling waves, as could occur in a ring configuration. We show that in the quantum regime (of small photon numbers) atoms are scattered differently by a true standing wave than by a superposition of two counterpropagating waves of equal amplitudes and opposite directions. This behavior is a manifestation of momentum conservation. In the case of traveling waves each wave depletes its momentum independently, whereas the standing wave that is fixed in space acts as a potentially infinite sink or source for momentum.

引用

页码：903 / 910

页数：8

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