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Vortex States of a Superconducting Film from a Magnetic Dot Array
D. J. Priour, H. A. Fertig
Using Ginzburg-Landau theory, we find novel configurations of vortices in superconducting thin films subject to the magnetic field of a magnetic dot array, with dipole moments orie…
Quantum Depinning Transition of Quantum Hall Stripes
Meirong Li, H. A. Fertig, R. Cote +1
We examine the effect of disorder on the electromagnetic response of quantum Hall stripes using an effective elastic theory to describe their low-energy dynamics, and replicas and…
Spinning Holes in Semiconductors
H. A. Fertig
The electron spin is emerging as a new powerful tool in the electronics and optics industries. Many proposed applications involve the creation of spin currents, which so far have p…
Vortex Deconfinement in the XY Model with a Magnetic Field
H. A. Fertig, Kingshuk Majumdar
We study vortex unbinding for the classical two-dimensional XY model in a magnetic field on square and triangular lattices. A renormalization group analysis combined with duality i…
Deconfinement and Dissipation in Quantum Hall "Josephson" Tunneling
H. A. Fertig, Joseph P. Straley
The zero-bias tunneling resonance in quantum Hall bilayer systems is investigated via numerical simulations of the classical two dimensional XY model with a symmetry-breaking field…