Application of Pair Approximation to Bound-Magnetic-Polaron State in Diluted Magnetic Semiconductors

• Authors: H. Bednarski , J. Spałek
• Languages of publication: EN

Abstracts

EN

We present a fully quantum-mechanical model of the bound magnetic polaron state in a diluted magnetic semiconductor based on the pair approximation to the exchange interaction among localized magnetic moments (spins). The model is applicable also to the limiting situation of the bound magnetic polaron magnetization due to the spins approaching saturation. On its basis, a simple extension of the Dietl-Spałek bound magnetic polaron theory is proposed and compared with the data for p-Cd_{0.95}Mn_{0.05}Te.

Keywords

EN

75.10.-b; 75.45.+j; 75.30.Et

Discipline

• 75.30.Et: Exchange and superexchange interactions(see also 71.70.Gm Exchange interactions)
• 75.45.+j: Macroscopic quantum phenomena in magnetic systems
• 75.10.-b: General theory and models of magnetic ordering(see also 05.50.+q Lattice theory and statistics)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2012
• Volume: 122
• Issue: 6
• Pages: 1052-1055

Dates

published

2012-12

Contributors

author

H. Bednarski

• Centre of Polymer and Carbon Materials, Polish Academy of Sciences, M. Curie-Skłodowskiej 34, 41-819 Zabrze, Poland

author

J. Spałek

• Marian Smoluchowski Institute of Physics, Jagiellonian University, W.S. Reymonta 4, 30-059 Kraków, Poland

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Identifiers

DOI

10.12693/APhysPolA.122.1052