THE ENERGY-STATES OF EXCITONS IN A HARMONIC QUANTUM-DOT

被引：15

作者：

ELSAID, M

机构：

[1] Department of Physics, Eastern Mediterranean University, Mersin

来源：

PHYSICA STATUS SOLIDI B-BASIC RESEARCH | 1994年 / 184卷 / 02期

关键词：

D O I：

10.1002/pssb.2221840212

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The eigenenergies of low-lying states of excitons in a quantum dot with a harmonic confining potential are obtained by solving the effective-mass Hamiltonian using the shifted 1/N expansion method. The ground state binding energy is in excellent agreement with previous results.

引用

收藏

页码：385 / 392

页数：8

相关论文

共 28 条

[1] EXCITONS IN QUANTUM BOXES - CORRELATION-EFFECTS AND QUANTUM CONFINEMENT [J].

BRYANT, GW .

PHYSICAL REVIEW B, 1988, 37 (15) :8763-8772

[2] ELECTRONIC-STRUCTURE OF ULTRASMALL QUANTUM-WELL BOXES [J].

BRYANT, GW .

PHYSICAL REVIEW LETTERS, 1987, 59 (10) :1140-1143

[3]

CHU DS, 1992, PHYS REV B, V46, P3898

[4] THERMODYNAMIC PROPERTIES OF QUANTUM DOTS IN A MAGNETIC-FIELD [J].

DEGROOTE, JJS ;

HORNOS, JEM ;

CHAPLIK, AV .

PHYSICAL REVIEW B, 1992, 46 (19) :12773-12776

[5] NONLOCAL DYNAMIC-RESPONSE AND LEVEL-CROSSINGS IN QUANTUM-DOT STRUCTURES [J].

DEMEL, T ;

HEITMANN, D ;

GRAMBOW, P ;

PLOOG, K .

PHYSICAL REVIEW LETTERS, 1990, 64 (07) :788-791

[6] ENERGY-LEVELS AND OSCILLATOR-STRENGTHS FOR THE EXPONENTIAL COSINE SCREENED COULOMB POTENTIAL IN THE SHIFTED LARGE-DIMENSION EXPANSION THEORY [J].

DUTT, R ;

MUKHERJI, U ;

VARSHNI, YP .

JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1986, 19 (21) :3411-3419

[7] CONFINEMENT OF EXCITONS IN QUANTUM DOTS [J].

EINEVOLL, GT .

PHYSICAL REVIEW B, 1992, 45 (07) :3410-3417

[8] EXCITONS IN A PARABOLIC QUANTUM DOT IN MAGNETIC-FIELDS [J].

HALONEN, V ;

CHAKRABORTY, T ;

PIETILAINEN, P .

PHYSICAL REVIEW B, 1992, 45 (11) :5980-5985

[9] IMPROVED WAVE-FUNCTIONS FOR LARGE-N EXPANSIONS [J].

IMBO, T ;

SUKHATME, U .

PHYSICAL REVIEW D, 1985, 31 (10) :2655-2658

[10] ENERGY EIGENSTATES OF SPHERICALLY SYMMETRIC-POTENTIALS USING THE SHIFTED 1/N EXPANSION [J].

IMBO, T ;

PAGNAMENTA, A ;

SUKHATME, U .

PHYSICAL REVIEW D, 1984, 29 (08) :1669-1681