2-PHOTON SPECTROSCOPY OF ODD-PARITY STATES

被引：18
|
作者：
FROHLICH, D [1 ]
ITOH, M [1 ]
PAHLKELERCH, C [1 ]
机构：
[1] SHINSHU UNIV,FAC ENGN,DEPT APPL SCI,NAGANO 380,JAPAN
来源：
PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 07期
关键词：
D O I：
10.1103/PhysRevLett.72.1001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Magnetic-dipole two-photon absorption (MD-TPA) is introduced as a new spectroscopic technique for the study of odd-parity states. Contrary to the classical electric-dipole two-photon absorption (ED-TPA), where only spin-allowed even-parity transitions can be excited, MD-TPA allows us to excite spin-forbidden odd-parity states. This new technique is therefore very well suited to study paraexcitons in semiconductors and insulators. As examples MD-TPA measurements of RbI, NaI, and NaBr are presented.
引用
收藏
页码：1001 / 1003
页数：3
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