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Low-temperature magnetization of (Ga,Mn)As semiconductors
T. Jungwirth, J. Masek, K. Y. Wang +12
We report on a comprehensive study of the ferromagnetic moment per Mn atom in (Ga,Mn)As ferromagnetic semiconductors. Theoretical discussion is based on microscopic calculations an…
Interlayer Transport in Bilayer Quantum Hall Systems
Enrico Rossi, Alvaro S. Núñez, A. H. MacDonald
Bilayer quantum Hall systems have a broken symmetry ground state at filling factor which can be viewed either as an excitonic superfluid or as a pseudospin ferromagnet. We pr…
Edge Magnetoplasmons in Quantum Hall Line Junction Systems
Wei-Cheng Lee, N. A. Sinitsyn, Emiliano Papa +1
A quantum Hall line junction system consists of a one-dimensional Luttinger liquid (LL) and two chiral channels that allow density waves incident upon and reflected by the LL to be…
Dependence of the intrinsic spin Hall effect on spin-orbit interaction character
K. Nomura, Jairo Sinova, N. A. Sinitsyn +1
We report on a comparative numerical study of the spin Hall conductivity in two-dimensions for three different spin-orbit interaction models; the standard k-linear Rashba model, th…
Itinerant Ferromagnetism in an Ultracold Atom Fermi Gas
R. A. Duine, A. H. MacDonald
We address the possible occurrence of ultracold atom ferromagnetism by evaluating the free energy of a spin polarized Fermi gas to second order in its interaction parameter. We fin…
Ferromagnetic Semiconductors: Moving Beyond (Ga,Mn)As
A. H. MacDonald, P. Schiffer, N. Samarth
The recent development of MBE techniques for growth of III-V ferromagnetic semiconductors has created materials with exceptional promise in spintronics, i.e. electronics that explo…
Edge State Tunneling in a Split Hall Bar Model
Emiliano Papa, Allan H. Macdonald
In this paper we introduce and study the correlation functions of a chiral one-dimensional electron model intended to qualitatively represent narrow Hall bars separated into left a…