Phase structure of (2+ 1)-dimensional compact lattice gauge theories and the transition from Mott insulator to fractionalized insulator
J Smiseth, E Smørgrav, FS Nogueira, J Hove, A Sudbø - Physical Review B, 2003 - APS
Abstract Large-scale Monte Carlo simulations are employed to study phase transitions in the
three-dimensional compact Abelian Higgs model in adjoint representations of the matter …
three-dimensional compact Abelian Higgs model in adjoint representations of the matter …
Criticality in the ()-Dimensional Compact Higgs Model and Fractionalized Insulators
A Sudbø, E Smørgrav, J Smiseth, FS Nogueira, J Hove - Physical review letters, 2002 - APS
We use a novel method of computing the third moment M 3 of the action of the (2+ 1)-
dimensional compact Higgs model in the adjoint representation with q= 2 to extract …
dimensional compact Higgs model in the adjoint representation with q= 2 to extract …
Charged fixed point in the Ginzburg–Landau superconductor and the role of the Ginzburg parameter κ
H Kleinert, FS Nogueira - Nuclear Physics B, 2003 - Elsevier
We present a semi-perturbative approach which yields an infrared-stable fixed point in the
Ginzburg–Landau for N= 2, where N/2 is the number of complex components. The …
Ginzburg–Landau for N= 2, where N/2 is the number of complex components. The …
Scaling critical behavior of superconductors at zero magnetic field
C De Calan, FS Nogueira - Physical Review B, 1999 - APS
We consider the scaling behavior in the critical domain of superconductors at zero external
magnetic field. The first part of the paper is concerned with the Ginzburg-Landau model in …
magnetic field. The first part of the paper is concerned with the Ginzburg-Landau model in …
Polymer topology and Chern-Simons field theory
F Ferrari, I Lazzizzera - Nuclear Physics B, 1999 - Elsevier
In this paper the statistical mechanical problem of two topologically linked polymers is
related to a topological Ginzburg-Landau model coupled to two Chern-Simons field theories …
related to a topological Ginzburg-Landau model coupled to two Chern-Simons field theories …
The statistical mechanics of topological polymers: a field theorist point of view
F Ferrari - Annalen der Physik, 2002 - Wiley Online Library
This is a self‐contained introduction to polymer physics and to the application of field
theoretical techniques to the statistical mechanics of polymer systems. Of course, since …
theoretical techniques to the statistical mechanics of polymer systems. Of course, since …
A Chern-Simons field theory description of topologically linked polymers
F Ferrari, I Lazzizzera - Physics Letters B, 1998 - Elsevier
In this paper the statistical mechanics of two topologically linked polymers is investigated.
We show that this problem can be related to a n-components topological Ginzburg-Landau …
We show that this problem can be related to a n-components topological Ginzburg-Landau …
Anomalous dimensions and phase transitions in superconductors
FS Nogueira - Physical Review B, 2000 - APS
The anomalous scaling in the Ginzburg-Landau model for the superconducting phase
transition is studied. It is argued that the negative sign of the η exponent is a consequence of …
transition is studied. It is argued that the negative sign of the η exponent is a consequence of …
Gauge dependence of the order parameter anomalous dimension in the Ginzburg-Landau model and the critical fluctuations in superconductors
FS Nogueira - Europhysics Letters, 1999 - iopscience.iop.org
The critical fluctuations of superconductors are discussed in a fixed dimension scaling suited
to describe the type-II regime. The gauge dependence of the anomalous dimension of the …
to describe the type-II regime. The gauge dependence of the anomalous dimension of the …
Higgs mechanism, phase transitions, and anomalous Hall effect in three-dimensional topological superconductors
We demonstrate that the Higgs mechanism in three-dimensional topological
superconductors exhibits unique features with experimentally observable consequences …
superconductors exhibits unique features with experimentally observable consequences …