2-PHOTON SPECTROSCOPY OF ODD-PARITY STATES

被引：19

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

页码：1001 / 1003

页数：3

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