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cond-mat.mtrl-sci2000
Effective Interaction Hamiltonian of Polaron Pairs in Diluted Magnetic Semiconductors
D. E. Angelescu, R. N. Bhatt
The magnetic interaction of a pair of bound magnetic polarons (BMP) in diluted magnetic semiconductors (DMS) is analyzed via a generalized Hubbard-type Hamiltonian for two carriers…
cond-mat.mtrl-sci2000
Ferromagnetism in Insulating, Doped Diluted Magnetic Semiconductors
Xin Wan, R. N. Bhatt
We report results of a Monte Carlo study of doped, diluted magnetic semiconductors in the low carrier density (insulating) regime. We find that the system undergoes a transition fr…