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4 papers · 2 filters
Covariant Quantization of the Skyrmion
M. Kruczenski, L. E. Oxman
We obtain the internal degrees of freedom of the skyrmion (spin and isospin) within a manifestly Lorentz covariant quantization framework based on defining Green functions for skyr…
Modular Invariant Partition Functions in the Quantum Hall Effect
Andrea Cappelli, Guillermo R. Zemba
We study the partition function for the low-energy edge excitations of the incompressible electron fluid. On an annular geometry, these excitations have opposite chiralities on the…
Algebraic bosonization: the study of the Heisenberg and Calogero-Sutherland models
Marialuisa Frau, Alberto Lerda, Stefano Sciuto +1
We propose an approach to treat (1+1)--dimensional fermionic systems based on the idea of algebraic bosonization. This amounts to decompose the elementary low-lying excitations aro…
Lagrangian Becchi-Rouet-Stora-Tyutin treatment of collective coordinates
Juan P. Garrahan, Martin Kruczenski, Daniel R. Bes
The Becchi-Rouet-Stora-Tyutin (BRST) treatment for the quantization of collective coordinates is considered in the Lagrangian formalism. The motion of a particle in a Riemannian ma…