384 citations · 3.6k across the 118 of their papers we have counts for
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Computational scheme for the spin-1/2 square lattice Heisenberg antiferromagnet based on an octapartite description of the square lattice
Bayo Lau, Mona Berciu, George A. Sawatzky
We introduce a novel parametrization scheme for the Hilbert space of a spin-1/2 Heisenberg antiferromagnet (AFM) based on an octapartite description of the square lattice. Our form…
Holstein polaron in the presence of disorder
Mona Berciu, Andrei S. Mishchenko, Naoto Nagaosa
Non-local, inhomogeneous and retarded response observed in experiments is reproduced by introducing the Inhomogeneous Momentum Average (IMA) method to study single polaron problems…
Theory of optical conductivity for dilute GaMnAs
C. P. Moca, G. Zarand, M. Berciu
We construct a semi-microscopic theory, to describe the optical conductivity of GaMnAs in the dilute limit, x = 1%. We construct an effective Hamiltonian that captures inside-impur…
The effect of impurities on spin polarized Zeeman bound states in dilute magnetic semiconductor-superconductor hybrids
Shi-Hsin Lin, Tatiana G. Rappoport, Mona Berciu +1
We investigate the effect of single and multiple impurities on the Zeeman-localized, spin polarized bound states in dilute magnetic semiconductor hybrid system. Such bound states a…
Ferromagnetic spin-polaron on complex lattices
Mona Berciu, George A. Sawatzky
We present a simpler derivation of the exact solution of a spin-polaron in a ferromagnet and generalize it to complex lattices and/or longer range exchange interactions. As a speci…
Polaron formation in the presence of Rashba spin-orbit coupling: implications for spintronics
Lucian Covaci, Mona Berciu
We study the effects of the Rashba spin-orbit coupling on the polaron formation, using a suitable generalization of the Momentum Average approximation. Contrary to previous investi…