The fine structure of two-electron states in single and double quantum dots

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The fine structure of two-electron states in single and double quantum dots. / Glazov, M. M.

In: Journal of Physics Condensed Matter, Vol. 22, No. 2, 025301, 01.01.2010.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{1051edc7127542f58ec0265b875c3f52,

title = "The fine structure of two-electron states in single and double quantum dots",

abstract = "The energy spectrum fine structure of triplet two-electron states in nanostructures is investigated theoretically. Spin-orbit interaction-induced terms in the effective Hamiltonian of the electron-electron interaction are derived for zinc blende lattice semiconductor systems: quantum wells and quantum dots. The effects of bulk and structural inversion asymmetry are taken into account. Simple analytical expressions describing the splittings of the two-electron states localized in a single quantum dot and in a lateral double quantum dot are derived. The spin degeneracy of triplet states is shown to be completely lifted by the spin-orbit interaction. An interplay of the conduction band spin splitting and the spin-orbit terms in the electron-electron interaction is discussed. The emission spectra of hot trions and of doubly charged excitons are calculated and are shown to reveal the fine structure of two-electron states.",

author = "Glazov, {M. M.}",

year = "2010",

month = jan,

day = "1",

doi = "10.1088/0953-8984/22/2/025301",

language = "English",

volume = "22",

journal = "Journal of Physics Condensed Matter",

issn = "0953-8984",

publisher = "IOP Publishing Ltd.",

number = "2",

}

RIS

TY - JOUR

T1 - The fine structure of two-electron states in single and double quantum dots

AU - Glazov, M. M.

PY - 2010/1/1

Y1 - 2010/1/1

N2 - The energy spectrum fine structure of triplet two-electron states in nanostructures is investigated theoretically. Spin-orbit interaction-induced terms in the effective Hamiltonian of the electron-electron interaction are derived for zinc blende lattice semiconductor systems: quantum wells and quantum dots. The effects of bulk and structural inversion asymmetry are taken into account. Simple analytical expressions describing the splittings of the two-electron states localized in a single quantum dot and in a lateral double quantum dot are derived. The spin degeneracy of triplet states is shown to be completely lifted by the spin-orbit interaction. An interplay of the conduction band spin splitting and the spin-orbit terms in the electron-electron interaction is discussed. The emission spectra of hot trions and of doubly charged excitons are calculated and are shown to reveal the fine structure of two-electron states.

AB - The energy spectrum fine structure of triplet two-electron states in nanostructures is investigated theoretically. Spin-orbit interaction-induced terms in the effective Hamiltonian of the electron-electron interaction are derived for zinc blende lattice semiconductor systems: quantum wells and quantum dots. The effects of bulk and structural inversion asymmetry are taken into account. Simple analytical expressions describing the splittings of the two-electron states localized in a single quantum dot and in a lateral double quantum dot are derived. The spin degeneracy of triplet states is shown to be completely lifted by the spin-orbit interaction. An interplay of the conduction band spin splitting and the spin-orbit terms in the electron-electron interaction is discussed. The emission spectra of hot trions and of doubly charged excitons are calculated and are shown to reveal the fine structure of two-electron states.

UR - http://www.scopus.com/inward/record.url?scp=72249097921&partnerID=8YFLogxK

U2 - 10.1088/0953-8984/22/2/025301

DO - 10.1088/0953-8984/22/2/025301

M3 - Article

AN - SCOPUS:72249097921

VL - 22

JO - Journal of Physics Condensed Matter

JF - Journal of Physics Condensed Matter

SN - 0953-8984

IS - 2

M1 - 025301

ER -

ID: 36443628