中国物理B ›› 1993, Vol. 2 ›› Issue (9): 664-670.doi: 10.1088/1004-423X/2/9/004

• CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES • 上一篇    下一篇

STRONG-COUPLING SURFACE OPTICAL POLARON IN A MAGNETIC FIELD

陈传誉   

  1. Department of Physics, Guangzhou Teacher's College, Guangzhou 510400, China
  • 收稿日期:1992-10-28 出版日期:1993-09-20 发布日期:1993-09-20
  • 基金资助:
    Project supported by the National Natural Science Foundation of China.

STRONG-COUPLING SURFACE OPTICAL POLARON IN A MAGNETIC FIELD

CHEN CHUAN-YU (陈传誉)   

  1. Department of Physics, Guangzhou Teacher's College, Guangzhou 510400, China
  • Received:1992-10-28 Online:1993-09-20 Published:1993-09-20
  • Supported by:
    Project supported by the National Natural Science Foundation of China.

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摘要： A variational scheme of the Pekar type is employed to study the strong-coupling optical polaron on the outer surface of the polar crystal under the influence of a magnetic field. The ground state energy and the effective mass of the polaron are obtained as functions of the magnetic field strength and the electron-surface optical phonon coupling constant. It is shown that the effective mass of the surface polaron appears in nonisotropic nature due to the coupling between the electron and the surface optical phonon.

Abstract: A variational scheme of the Pekar type is employed to study the strong-coupling optical polaron on the outer surface of the polar crystal under the influence of a magnetic field. The ground state energy and the effective mass of the polaron are obtained as functions of the magnetic field strength and the electron-surface optical phonon coupling constant. It is shown that the effective mass of the surface polaron appears in nonisotropic nature due to the coupling between the electron and the surface optical phonon.

中图分类号:  (Polarons and electron-phonon interactions)

  • 71.38.-k
73.20.Mf (Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)) 71.18.+y (Fermi surface: calculations and measurements; effective mass, g factor)