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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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18 papers · 2 filters
Covariant actions for chiral supersymmetric bosons
Kurt Lechner
We review a recently developed covariant Lagrangian formulation for --forms with (anti)self-dual field-strengths and present its extension to the supersymmetric case. As explici…
A class of two-dimensional Yang-Mills vacua and their relation to the non-linear sigma model
A. Bassetto, G. Nardelli
Classical vacuum - pure gauge - solutions of Euclidean two-dimensional SU(2) Yang-Mills theories are studied. Topologically non-trivial vacua are found in a class of gauge group el…
N=2 SYM RG Scale as Modulus for WDVV Equations
G. Bertoldi, M. Matone
We derive a new set of WDVV equations for N=2 SYM in which the renormalization scale is identified with the distinguished modulus which naturally arises in topological field th…
Infrared singularities in the null-plane bound-state equation when going to 1+1 dimensions
A. Bassetto
In this paper we first consider the null-plane bound-state equation for a pair in 1+3 dimensions and in the lowest-order Tamm-Dancoff approximation. Light-cone gauge is…
Macroscopic String-like Solutions in Massive Supergravity
Harvendra Singh
In this report we obtain explicit string-like solutions of equations of motion of massive heterotic supergravity recently obtained by Bergshoeff, Roo and Eyras. We also find consis…
The Equivalence Principle of Quantum Mechanics: Uniqueness Theorem
Alon E. Faraggi, Marco Matone
Recently we showed that the postulated diffeomorphic equivalence of states implies quantum mechanics. This approach takes the canonical variables to be dependent by the relation p=…
Covariant actions for N=1, D=6 Supergravity theories with chiral bosons
G. Dall'Agata, K. Lechner, M. Tonin
We show that the recently found covariant formulation for chiral --forms in dimensions with even, can be naturally extended to supersymmetric theories. We present t…
On the effective interactions of a light gravitino with matter fermions
Andrea Brignole, Ferruccio Feruglio, Fabio Zwirner
If the gravitino is light and all the other supersymmetric particles are heavy, we can consider the effective theory describing the interactions of its goldstino components with or…
N = 1, D = 6 Supergravity: Duality and non Minimal Couplings
Gianguido Dall'Agata, Kurt Lechner
In this paper we present a superspace formulation of supergravity with one tensor-multiplet and an arbitrary number of vector- and hypermultiplets, in which the boso…
The Schwinger Model in Light-Cone Gauge
A. Bassetto, G. Nardelli, E. Vianello
The Schwinger model, defined in the space interval , with (anti)periodic boundary conditions, is canonically quantized in the light-cone gauge by means of e…
Covariant Actions for the Bosonic Sector of D=10 IIB Supergravity
Gianguido Dall'Agata, Kurt Lechner, Dmitri Sorokin
Covariant actions for the bosonic fields of D=10 IIB supergravity are constructed with the help of a single auxiliary scalar field and in a formulation with an infinite series of a…
Superbrane Actions and Geometrical Approach
Igor Bandos, Paolo Pasti, Dmitri Sorokin +1
We review a generic structure of conventional (Nambu-Goto and Dirac-Born-Infeld-like) worldvolume actions for the superbranes and show how it is connected through a generalized act…
Quantum Mechanics from an Equivalence Principle
Alon E. Faraggi, Marco Matone
We postulate that physical states are equivalent under coordinate transformations. We then implement this equivalence principle first in the case of one-dimensional stationary syst…
On the equivalence of different formulations of the M Theory five--brane
Igor Bandos, Kurt Lechner, Alexei Nurmagambetov +3
We show that the field equations for the supercoordinates and the self--dual antisymmetric tensor field derived from the recently constructed kappa-invariant action for the M theor…
Covariant Action for the Super-Five-Brane of M-Theory
Igor Bandos, Kurt Lechner, Alexei Nurmagambetov +3
We propose a complete, d=6 covariant and kappa-symmetric, action for an M-theory five-brane propagating in D=11 supergravity background.
Generalized Action Principle and Superfield Equations of Motion for d=10 D-p-branes
Igor Bandos, Dmitri Sorokin, Mario Tonin
The action for the D=10 type II Dirichlet super-p-branes, which has been obtained recently, is reconstructed in a more geometrical form involving Lorentz harmonic variables. This n…
Two-dimensional Yang-Mills theory in the leading 1/N expansion revisited
A. Bassetto, G. Nardelli, A. Shuvaev
We obtain a formal solution of an integral equation for bound states, depending on a parameter ηwhich interpolates between 't Hooft's (η=0) and Wu's (η=1) equations. We a…
Covariant Action for a D=11 Five-Brane with the Chiral Field
Paolo Pasti, Dmitri Sorokin, Mario Tonin
We propose a complete Born-Infeld-like action for a bosonic 5-brane with the worldvolume chiral field in a background of gravitational and antisymmetric gauge fields of D=11 superg…