Spin-wave excitations in quantum dots

被引：12

作者：

Lipparini, E ^{[1
]}

Serra, L

机构：

[1] Univ Barcelona, Fac Fis, Dept Estructura & Constituents Mat, E-08028 Barcelona, Spain

[2] Univ Illes Balears, Dept Fis, E-07071 Palma de Mallorca, Spain

[3] Univ Trent, Dipartimento Fis, I-38050 Povo, Italy

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 12期

关键词：

D O I：

10.1103/PhysRevB.57.R6830

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The transverse response function for a quantum dot in a uniform magnetic field B is calculated using current-density-functional theory. The poles corresponding to the Delta L-Z=+/-1 and Delta S-Z=+/-1 spin waves are investigated as a function of B.

引用

页码：R6830 / R6833

页数：4

共 28 条

[11] Far-infrared edge modes in quantum dots [J].

Lipparini, E ;

Barberan, N ;

Barranco, M ;

Pi, M ;

Serra, L .

PHYSICAL REVIEW B, 1997, 56 (19) :12375-12385

[12]

LIPPARINI E, 1997, IN PRESS CZECH J PHY

[13] COUPLING OF QUANTUM DOTS ON GAAS [J].

LORKE, A ;

KOTTHAUS, JP ;

PLOOG, K .

PHYSICAL REVIEW LETTERS, 1990, 64 (21) :2559-2562

[14] MANY-BODY EFFECTS ON INTERSUBBAND SPIN-DENSITY AND CHARGE-DENSITY EXCITATIONS [J].

LUO, MSC ;

CHUANG, SL ;

SCHMITTRINK, S ;

PINCZUK, A .

PHYSICAL REVIEW B, 1993, 48 (15) :11086-11094

[15] COLLISIONLESS SPIN-WAVES IN LIQUID-HE-3 [J].

MASUHARA, N ;

CANDELA, D ;

EDWARDS, DO ;

HOYT, RF ;

SCHOLZ, HN ;

SHERRILL, DS ;

COMBESCOT, R .

PHYSICAL REVIEW LETTERS, 1984, 53 (12) :1168-1171

[16] SPIN-WAVES IN LIQUID HE-3-HE-4 MIXTURES [J].

OWERSBRADLEY, JR ;

CHOCHOLACS, H ;

MUELLER, RM ;

BUCHAL, C ;

KUBOTA, M ;

POBELL, F .

PHYSICAL REVIEW LETTERS, 1983, 51 (23) :2120-2123

[17] Collapse of spin excitations in quantum Hall states of coupled electron double layers [J].

Pellegrini, V ;

Pinczuk, A ;

Dennis, BS ;

Plaut, AS ;

Pfeiffer, LN ;

West, KW .

PHYSICAL REVIEW LETTERS, 1997, 78 (02) :310-313

[18] INTERSUBBAND SPECTROSCOPY OF 2 DIMENSIONAL ELECTRON GASES - COULOMB INTERACTIONS [J].

PINCZUK, A ;

WORLOCK, JM ;

STORMER, HL ;

DINGLE, R ;

WIEGMANN, W ;

GOSSARD, AC .

SOLID STATE COMMUNICATIONS, 1980, 36 (01) :43-46

[19] SPIN-WAVE EXCITATION IN NONFERROMAGNETIC METALS [J].

PLATZMAN, PM ;

WOLFF, PA .

PHYSICAL REVIEW LETTERS, 1967, 18 (08) :280-&

[20] OBSERVATION OF DISCRETE ELECTRONIC STATES IN A ZERO-DIMENSIONAL SEMICONDUCTOR NANOSTRUCTURE [J].

REED, MA ;

RANDALL, JN ;

AGGARWAL, RJ ;

MATYI, RJ ;

MOORE, TM ;

WETSEL, AE .

PHYSICAL REVIEW LETTERS, 1988, 60 (06) :535-537

← 1 2 3 →