High precision measurement of biexciton dispersion at k ~ 0 in CuCl
High precision measurement of biexciton dispersion at k ~ 0 in CuCl
复制标题
高精度测量 CuCl 中 k ~ 0 时的双激子色散
DOI：
10.1016/s0022-2313(97)00178-6
复制
发表时间：
1998
期刊：
影响因子：
--
通讯作者：
N. Nagasawa
中科院分区：
文献类型：
--
作者：
H. Kawano;K. Okinaka;M. Hasuo;N. Nagasawa
用高精度偏振旋转光谱测量了CuCl中双激子（XX）在k ~ 0处的色散曲线。在某些晶体的XX色散中，在k = 1 × 105 cm − 1附近观察到能量最小值。这一结果与双极化子模型预言的XX的辐射重整化效应相一致。激子-激子势的理论检验和更多的实验检验预计的最小值的定量比较。
Dispersion curve of a biexciton (XX) at k ~ 0 in CuCl is measured using a high-precision polarization rotation spectroscopy. An energy minimum around k = 1 × 105cm−1is observed in the XX dispersion in some crystals. The fact is consistent with radiative renormalization effects of XX predicted by the bipolariton model. Theoretical examinations of the exciton-exciton potential and more experimental examinations are expected for quantitative comparison of the value of the minimum.