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6 papers · 1 filter
Ensemble Density Functional Approach to Charge-Spin Textures in Inhomogeneous Quantum Hall Systems
O. Heinonen, J. M. Kinaret, M. D. Johnson
We extend our ensemble density functional approach to quantum Hall systems to include non-collinear spins to study charge-spin textures in inhomogeneous quantum Hall systems. We ha…
Phase Structure of Dynamical Triangulation Models in Three Dimensions
Ray L. Renken, Simon M. Catterall, John B. Kogut
The dynamical triangulation model of three-dimensional quantum gravity is shown to have a line of transitions in an expanded phase diagram which includes a coupling mu to the order…
Monte-carlo renormalization group study of gauged RP(2) spin models in two dimensions
S. M. Caterall, M. Hasenbusch, R. R. Horgan +1
The 2D RP(2) gauge model is studied using the Monte-Carlo Renormalization Group. We confirm the first-order transition reported by Solomon et al. (PL 112B, (1982)) ending in a crit…
Singular Structure in 4D Simplicial Gravity
S. Catterall, R. Renken, J. Kogut
We show that the phase transition previously observed in dynamical triangulation models of quantum gravity can be understood as being due to the creation of a singular link. The tr…
Ensemble Density Functional Theory for Inhomogeneous Quantum Hall Systems
O. Heinonen, M. I. Lubin, M. D. Johnson
We review an ensemble density functional approach to spin-polarized inhomogeneous quantum Hall systems. Recent work on generalizations to include spin degrees of freedom is summari…
Spin Ensemble Density Functional Theory for Inhomogeneous Quantum Hall Systems
M. I. Lubin, O. Heinonen, M. D. Johnson
We have developed an ensemble density functional theory which includes spin degrees of freedom for nonuniform quantum Hall systems. We have applied this theory using a local-spin-d…