Exchange-enhanced spin-splitting in a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction

C. H. Yang; W. Xu; Z. Zeng; C. S. Tang; C. Zhang

doi:10.1016/j.physe.2005.12.064

Exchange-enhanced spin-splitting in a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction

C. H. Yang, W. Xu^*, Z. Zeng, C. S. Tang, C. Zhang

^*Corresponding author for this work

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

1 Citation (Scopus)

Abstract

We present a theoretical study on how many-body effects can affect the spin-splitting of a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction. The standard Hartree-Fock approximation and Green's function approach are employed to calculate the energy spectrum and density of states of a spin-split two-dimensional electron gas (2DEG). We find that the presence of the exchange interaction can enhance significantly the spin-splitting of a 2DEG on top of the Rashba effect. The physical reasons behind this important phenomenon are discussed.

Original language	English
Pages (from-to)	363-366
Number of pages	4
Journal	Physica E: Low-Dimensional Systems and Nanostructures
Volume	32
Issue number	1-2 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.physe.2005.12.064
Publication status	Published - May 2006

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title = "Exchange-enhanced spin-splitting in a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction",

abstract = "We present a theoretical study on how many-body effects can affect the spin-splitting of a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction. The standard Hartree-Fock approximation and Green's function approach are employed to calculate the energy spectrum and density of states of a spin-split two-dimensional electron gas (2DEG). We find that the presence of the exchange interaction can enhance significantly the spin-splitting of a 2DEG on top of the Rashba effect. The physical reasons behind this important phenomenon are discussed.",

keywords = "Exchange interaction, Rashba effect, Spin-orbit interaction, Two-dimensional electron gas",

author = "Yang, {C. H.} and W. Xu and Z. Zeng and Tang, {C. S.} and C. Zhang",

year = "2006",

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doi = "10.1016/j.physe.2005.12.064",

language = "English",

volume = "32",

pages = "363--366",

journal = "Physica E: Low-Dimensional Systems and Nanostructures",

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T1 - Exchange-enhanced spin-splitting in a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction

AU - Yang, C. H.

AU - Xu, W.

AU - Zeng, Z.

AU - Tang, C. S.

AU - Zhang, C.

PY - 2006/5

Y1 - 2006/5

N2 - We present a theoretical study on how many-body effects can affect the spin-splitting of a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction. The standard Hartree-Fock approximation and Green's function approach are employed to calculate the energy spectrum and density of states of a spin-split two-dimensional electron gas (2DEG). We find that the presence of the exchange interaction can enhance significantly the spin-splitting of a 2DEG on top of the Rashba effect. The physical reasons behind this important phenomenon are discussed.

AB - We present a theoretical study on how many-body effects can affect the spin-splitting of a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction. The standard Hartree-Fock approximation and Green's function approach are employed to calculate the energy spectrum and density of states of a spin-split two-dimensional electron gas (2DEG). We find that the presence of the exchange interaction can enhance significantly the spin-splitting of a 2DEG on top of the Rashba effect. The physical reasons behind this important phenomenon are discussed.

KW - Exchange interaction

KW - Rashba effect

KW - Spin-orbit interaction

KW - Two-dimensional electron gas

UR - http://www.scopus.com/inward/record.url?scp=33646186092&partnerID=8YFLogxK

U2 - 10.1016/j.physe.2005.12.064

DO - 10.1016/j.physe.2005.12.064

M3 - Article

SN - 1386-9477

VL - 32

SP - 363

EP - 366

JO - Physica E: Low-Dimensional Systems and Nanostructures

JF - Physica E: Low-Dimensional Systems and Nanostructures

IS - 1-2 SPEC. ISS.

ER -

Exchange-enhanced spin-splitting in a two-dimensional electron gas in the presence of the Rashba spin-orbit interaction

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