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- Max Planck Institute for Mathematics in the SciencesDE139 papers
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17 papers · 2 filters
Casimir force between Chern-Simons surfaces
M. Bordag, D. V. Vassilevich
We calculate the Casimir force between two parallel plates if the boundary conditions for the photons are modified due to presence of the Chern-Simons term. We show that this effec…
Conformal Transformation Properties of the B-type Supercurrent
Christian Rupp
We investigate the superconformal transformation properties of the supercurrent as well as of the superconformal anomalies themselves in d=4, N=1 supersymmetric quantum field theor…
Path integral and pseudoclassical action for spinning particle in external electromagnetic and torsion fields
Bodo Geyer, Dmitry Gitman, Ilya Shapiro
Starting from the Dirac equation in external electromagnetic and torsion fields we derive a path integral representation for the corresponding propagator. An effective action, whic…
Superspace formulation of general massive gauge theories and geometric interpretation of mass-dependent BRST symmetries
Bodo Geyer, Dietmar Mülsch
A superspace formulation is proposed for the osp(1,2)-covariant Lagrangian quantization of general massive gauge theories. The superalgebra os0(1,2) is considered as subalgebra of…
Superconformal Transformation Properties of the Supercurrent II: Abelian Gauge Theories
J. Erdmenger, C. Rupp, K. Sibold
We derive the superconformal transformation properties of the supercurrent for N=1 supersymmetric QED in four dimensions within the superfield formalism. Superconformal Ward identi…
Heat Kernel Expansion for Semitransparent Boundaries
M. Bordag, D. V. Vassilevich
We study the heat kernel for an operator of Laplace type with a -function potential concentrated on a closed surface. We derive the general form of the small asymptotics and…