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9 papers · 2 filters
Functional Integral Approach to the N-Flavor Schwinger Model
Christof Gattringer, Erhard Seiler
We study massless QED_2 with N flavors using path integrals. We identify the sector that is generated by the N^2 classically conserved vector currents. One of them (the U(1) curren…
Classification of Quantum Hall Universality Classes by symmetry
A. Cappelli, C. A. Trugenberger, G. R. Zemba
We show how two-dimensional incompressible quantum fluids and their excitations can be viewed as edge conformal field theories, thereby providing an algebraic ch…
q-Deformed Relativistic Wave Equations
Mathias Pillin
Based on the representation theory of the -deformed Lorentz and Poincaré symmeties -deformed relativistic wave equation are constructed. The most important cases of the Dirac…
On the Schwinger Model on Riemann Surfaces
Franco Ferrari
In this paper, the massless Schwinger model or two dimensional quantum electrodynamics is exactly solved on a Riemann surface. The partition function and the generating functional…
Conformal- and Thermodynamic Properties of a Family of Thirring-like Models
I. Sachs, A. Wipf, A. Dettki
We investigate Thirring-like models containing fermionic and scalar fields propagating in 2-dimensional space time. The corresponding conformal algebra is studied and we disprove a…
Weyl Invariance and Spurious Black Hole in Two-Dimensional Dilaton Gravity
Takanori Fujiwara, Yuji Igarashi, Jisuke Kubo
In two-dimensional dilaton gravity theories, there may exist a global Weyl invariance which makes black hole spurious. If the global invariance and the local Weyl invariance of the…