THERMODYNAMIC PROPERTIES OF QUANTUM DOTS IN A MAGNETIC-FIELD

被引:83
作者
DEGROOTE, JJS [1 ]
HORNOS, JEM [1 ]
CHAPLIK, AV [1 ]
机构
[1] ACAD SCI RUSSIA,INST SEMICOND PHYS,THEORET PHYS LAB,NOVOSIBIRSK,USSR
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 19期
关键词
D O I
10.1103/PhysRevB.46.12773
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The magnetization, magnetic susceptibility, and specific heat of heliumlike confined quantum dots are calculated. The Schrodinger equation for the relative motion of the two electrons is solved numerically and the solutions are used to calculate the partition function. We found a sharp peak in the susceptibility and an additional structure in the specific heat. The correlation energy and spin contribution are shown to be important.
引用
收藏
页码:12773 / 12776
页数:4
相关论文
共 22 条
  • [1] VOLTAGE-TUNABLE QUANTUM DOTS ON SILICON
    ALSMEIER, J
    BATKE, E
    KOTTHAUS, JP
    [J]. PHYSICAL REVIEW B, 1990, 41 (03): : 1699 - 1702
  • [2] ELECTRONIC-PROPERTIES OF TWO-DIMENSIONAL SYSTEMS
    ANDO, T
    FOWLER, AB
    STERN, F
    [J]. REVIEWS OF MODERN PHYSICS, 1982, 54 (02) : 437 - 672
  • [3] BALKANSKI M, 1980, HDB SEMICONDUCTORS O
  • [4] BORN M, 1954, DYNAMICAL THEORY CRY, P103
  • [5] OPTICAL AND MAGNETO-OPTICAL ABSORPTION IN PARABOLIC QUANTUM WELLS
    BREY, L
    JOHNSON, NF
    HALPERIN, BI
    [J]. PHYSICAL REVIEW B, 1989, 40 (15): : 10647 - 10649
  • [6] CHAPLIK AV, 1989, JETP LETT+, V50, P44
  • [7] Darwin CG, 1931, P CAMB PHILOS SOC, V27, P86
  • [8] NONLOCAL DYNAMIC-RESPONSE AND LEVEL-CROSSINGS IN QUANTUM-DOT STRUCTURES
    DEMEL, T
    HEITMANN, D
    GRAMBOW, P
    PLOOG, K
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (07) : 788 - 791
  • [9] Note to the Quantification of the harmonic Oscillator in a Magnetic Field
    Fock, V.
    [J]. ZEITSCHRIFT FUR PHYSIK, 1928, 47 (5-6): : 446 - 448
  • [10] GOVOROV AO, 1990, JETP LETT+, V52, P31