STABILITY OF ALL-COUPLING LARGE OPTICAL SINGLET BIPOLARONS

被引:12
作者
CHATTERJEE, A [1 ]
SIL, S [1 ]
机构
[1] SAHA INST NUCL PHYS, DIV SOLID STATE & MOLEC PHYS, CALCUTTA 700064, INDIA
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1993年 / 7卷 / 28期
关键词
D O I
10.1142/S0217979293003826
中图分类号
O59 [应用物理学];
学科分类号
摘要
A variational calculation is performed to obtain the stability criteria, effective mass and the size of a large optical singlet bipolaron for the entire range of the coupling parameters in both two and three dimensions. It is shown that the bipolaron binding is stronger in thin films than in bulk crystals. It is suggested that Cu2O and TiCl in the form of thin films might exhibit bipolaronic effects.
引用
收藏
页码:4763 / 4781
页数:19
相关论文
共 43 条
  • [41] VINETSKII VL, 1958, SOV PHYS JETP-USSR, V6, P560
  • [42] VINETSKII VL, 1961, ZH EKSP TEOR FIZ, V13, P1023
  • [43] NEGATIVE-U PROPERTIES FOR POINT-DEFECTS IN SILICON
    WATKINS, GD
    TROXELL, JR
    [J]. PHYSICAL REVIEW LETTERS, 1980, 44 (09) : 593 - 596