1.4k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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7 papers · 2 filters
Induced commutative Chern-Simons term from noncommutativity in planar systems
M. L. Ciccolini, C. D. Fosco, A. Lopez
We test the consistency of the use of a noncommutative theory description for charged particles in a strong magnetic field, by deriving the induced Chern-Simons (CS) term for an ex…
Generalized parity transformations in lattice Chern-Simons theory
C. D. Fosco, A. Lopez
Regularization modifies the (odd) behaviour of the Abelian Chern-Simons action under parity. This effect happens for any sensible regularization; in particular, on the lattice. How…
Fermionic determinant with a linear domain wall in 2+1 dimensions
L. Da Rold, C. D. Fosco, A. P. C. Malbouisson
We consider a Dirac field in 2+1 Euclidean dimensions, in the presence of a linear domain wall defect in its mass, and a constant electromagnetic field. We evaluate the exact fermi…
Aspects of noncommutative descriptions of planar systems in high magnetic fields
C. D. Fosco, A. Lopez
We study some aspects of recent proposals to use the noncommutative Chern-Simons theory as an effective description of some planar condensed matter models in strong magnetic fields…
Generalized parity transformations in the regularized Chern-Simons theory
C. D. Fosco, A. Lopez
We study renormalization effects in the Abelian Chern-Simons (CS) action. These effects can be non-trivial when the gauge field is coupled to dynamical matter, since the regulariza…
Interacting fermions and domain wall defects in 2+1 dimensions
L. Da Rold, C. D. Fosco, A. Lopez
We consider a Dirac field in 2+1 dimensions with a domain wall like defect in its mass, minimally coupled to a dynamical Abelian vector field. The mass of the fermionic field is as…
Dual theories for mixed symmetry fields. Spin-two case: (1,1) versus (2,1) Young symmetry type fields
H. Casini, R. Montemayor, Luis F. Urrutia
We show that the parent Lagrangian method gives a natural generalization of the dual theories concept for non p-form fields. Using this generalization we construct here a three-par…