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7 papers · 2 filters
Particle decays and stability on the de Sitter universe
Jacques Bros, Henri Epstein, Ugo Moschella
We study particle decay in de Sitter space-time as given by first order perturbation theory in a Lagrangian interacting quantum field theory. We study in detail the adiabatic limit…
More on superstring chiral measures
Francesco Dalla Piazza
In this paper we study the expressions of the superstring chiral measures for . We obtain certain new expressions which are functions of higher powers of theta constants.…
D-Branes on C^3_6 part I: prepotential and GW-invariants
Sergio Luigi Cacciatori, Marco Compagnoni
This is the first of a set of papers having the aim to provide a detailed description of brane configurations on a family of noncompact threedimensional Calabi-Yau manifolds. The s…
Genus four superstring measures
Sergio L. Cacciatori, Francesco Dalla Piazza, Bert van Geemen
A main issue in superstring theory are the superstring measures. D'Hoker and Phong showed that for genus two these reduce to measures on the moduli space of curves which are determ…
All timelike supersymmetric solutions of N=2, D=4 gauged supergravity coupled to abelian vector multiplets
Sergio L. Cacciatori, Dietmar Klemm, Diego S. Mansi +1
The timelike supersymmetric solutions of N=2, D=4 gauged supergravity coupled to an arbitrary number of abelian vector multiplets are classified using spinorial geometry techniques…
Renormalized Thermal Entropy in Field Theory
Sergio Cacciatori, Fabio Costa, Federico Piazza
Standard entropy calculations in quantum field theory, when applied to a subsystem of definite volume, exhibit area-dependent UV divergences that make a thermodynamic interpretatio…