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Hartree-Fock Theory of Skyrmions in Quantum Hall Ferromagnets
H. A. Fertig, L. Brey, R. Cote +3
We report on a study of the charged-skyrmion or spin-texture excitations which occur in quantum Hall ferromagnets near odd Landau level filling factors. Particle-hole symmetry is u…
Mixed-state penetration depths in s-wave and d-wave superconductors
Yong Wang, A. H. MacDonald
We report on a microscopic calculation of the current and magnetic field distribution in the mixed state of model s-wave and d-wave superconductors. For the d-wave case, we find th…
Spontaneous Interlayer Coherence in Double-Layer Quantum Hall Systems: Symmetry Breaking Interactions, In-Plane Fields and Phase Solitons
Kun Yang, K. Moon, Lotfi Belkhir +5
At strong magnetic fields double-layer two-dimensional-electron-gas systems can form an unusual broken symmetry state with spontaneous inter-layer phase coherence. The system can b…
Non Possum Comprimi Ergo Sum: Skyrmions and Edge States in the Quantum Hall Effect
A. H. MacDonald
When the chemical potential of an electron system has a discontinuity at a density , the system is said to be incompressible and a finite energy is required to create mobile…