9.8k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT2.2k papers
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- Centre National de la Recherche ScientifiqueFR1.7k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT1.7k papers
- Sapienza University of RomeIT1.6k papers
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17 papers · 2 filters
Field-theory results for three-dimensional transitions with complex symmetries
Pasquale Calabrese, Andrea Pelissetto, Paolo Rossi +1
We discuss several examples of three-dimensional critical phenomena that can be described by Landau-Ginzburg-Wilson theories. We present an overview of field-theoretical resu…
3-D Interacting CFTs and Generalized Higgs Phenomenon in Higher Spin Theories on AdS
L. Girardello, M. Porrati, A. Zaffaroni
We study a duality, recently conjectured by Klebanov and Polyakov, between higher-spin theories on AdS_4 and O(N) vector models in 3-d. These theories are free in the UV and intera…
Almost Conformal Vacua and Confinement
Roberto Auzzi, Roberto Grena, Kenichi Konishi
Dynamics of confining vacua which appear as deformed superconformal theory with a non-Abelian gauge symmetry, is studied by taking a concrete example of the sextet vacua of ${\cal…
Functional approach to 2+1 dimensional gravity coupled to particles
Luigi Cantini, Pietro Menotti
The quantum gravity problem of N point particles interacting with the gravitational field in 2+1 dimensions is approached working out the phase-space functional integral. The maxim…
The Covariant Quantum Superstring and Superparticle from their Classical Actions
P. A. Grassi, G. Policastro, P. van Nieuwenhuizen
We develop an approach based on the Noether method to construct nilpotent BRST charges and BRST-invariant actions. We apply this approach first to the holomorphic part of the flat-…
Search for flow invariants in even and odd dimensions
D. Anselmi, G. Festuccia
A flow invariant in quantum field theory is a quantity that does not depend on the flow connecting the UV and IR conformal fixed points. We study the flow invariance of the most ge…
Short distance signatures in Cosmology: Why not in Black Holes?
Roberto Casadio, Laura Mersini
Current theoretical investigations seem to indicate the possibility of observing signatures of short distance physics in the Cosmic Microwave Background spectrum. We try to gain a…
Holographic evolution of gauge couplings
R. Contino, P. Creminelli, E. Trincherini
We study the gauge coupling evolution of a unified theory in the compact Randall-Sundrum model with gauge bosons propagating in the bulk. One-loop corrections in AdS are interprete…
Non Abelian Magnetic Monopoles and Dynamics of Confinement
Stefano Bolognesi, Kenichi Konishi
Magnetic monopoles having non-Abelian charges have been found recently to play a crucial role in the infrared in a class of supersymmetric gauge theories. We argue that these "dual…
On the BRST Cohomology of Superstrings with/without Pure Spinors
P. A. Grassi, G. Policastro, P. van Nieuwenhuizen
We replace our earlier condition that physical states of the superstring have non-negative grading by the requirement that they are analytic in a new real commuting constant t whic…
Equation of State of the Transplanckian Dark Energy and the Coincidence Problem
M. Bastero-Gil, L. Mersini
Observational evidence suggests that our universe is presently dominated by a dark energy component and undergoing accelerated expansion. We recently introduced a model, motivated…
Non-universal corrections to the tension ratios in softly broken N=2 SU(N) gauge theory
Roberto Auzzi, Kenichi Konishi
Calculation by Douglas and Shenker of the tension ratios for vortices of different N-alities in the softly broken N=2 supersymmetric SU(N) Yang-Mills theory, is carried to the seco…
From AdS/CFT correspondence to hydrodynamics
G. Policastro, D. T. Son, A. O. Starinets
We compute the correlation functions of R-charge currents and components of the stress-energy tensor in the strongly coupled large-N finite-temperature N=4 supersymmetric Yang-Mill…
Isocurvature perturbations in the Ekpyrotic universe
A. Notari, A. Riotto
The Ekpyrotic scenario assumes that our visible Universe is a boundary brane in a five-dimensional bulk and that the hot Big Bang occurs when a nearly supersymmetric five-brane tra…
Liouville theory, accessory parameters and 2+1 dimensional gravity
Luigi Cantini, Pietro Menotti, Domenico Seminara
We prove a relation between the asymptotic behavior of the conformal factor and the accessory parameters of the SU(1,1) Riemann- Hilbert problem. Such a relation shows the hamilton…
Anomalies, Fayet-Iliopoulos terms and the consistency of orbifold field theories
R. Barbieri, R. Contino, P. Creminelli +2
We study the consistency of orbifold field theories and clarify to what extent the condition of having an anomaly-free spectrum of zero-modes is sufficient to guarantee it. Preserv…
The Massless Spectrum of Covariant Superstrings
P. A. Grassi, G. Policastro, P. van Nieuwenhuizen
We obtain the correct cohomology at any ghost number for the open and closed covariant superstring, quantized by an approach which we recently developed. We define physical states…