368 citations · 2.3k across the 134 of their papers we have counts for
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Exact Two-Loop Effective Potentials in de Sitter Space via Finite-Difference Methods
Bruce Bassett, Sergio Luigi Cacciatori, Ugo Moschella
We compute the renormalised two-loop effective potential of the -symmetric scalar theory on four-dimensional de Sitter space. The main technical ingredient is the two-loop wa…
Effective potentials for de Sitter and anti de Sitter quantum fields
Alfio Bonanno, Sergio Luigi Cacciatori, Ugo Moschella
We derive a systematic treatment of one-loop effective potentials for interacting scalar fields in curved spacetimes, providing a general formula valid in arbitrary geometries and…
Wall crossing structure from quantum phenomena to Feynman Integrals
Roberta Angius, Sergio Luigi Cacciatori, Anthony Massidda
A growing body of evidence suggests that the complexity of Feynman integrals is best understood through geometry. Recent mathematical developments [Kontsevich and Soibelman, arXiv:…
Thermodynamics of magnetized BPS baryonic layers and the effects of the Isospin chemical potential
Sergio Luigi Cacciatori, Fabrizio Canfora, Evangelo Delgado +2
Through the Hamilton-Jacobi equation of classical mechanics, BPS magnetized Baryonic layers (possessing both baryonic charge and magnetic flux) have been constructed in the gauged…
Exact solutions for analog Hawking effect in dielectric media
Simone Trevisan, Francesco Belgiorno, Sergio Luigi Cacciatori
In the framework of the analog Hawking radiation for dielectric media, we analyze a toy-model and also the 2D reduction of the Hopfield model for a specific monotone and realistic…
Loops in de Sitter space
Sergio L. Cacciatori, Henri Epstein, Ugo Moschella
We discuss general one and two-loops banana diagrams with arbitrary masses on the de Sitter spacetime by using direct methods of dS quantum field theory in the dimensional regulari…
Tree-Level Superstring Amplitudes: The Neveu-Schwarz Sector
Sergio Luigi Cacciatori, Samuel Grushevsky, Alexander A. Voronov
We present a complete computation of superstring scattering amplitudes at tree level, for the case of Neveu-Schwarz insertions. Mathematically, this is to say that we determine exp…
Loops in Anti de Sitter space
Sergio L. Cacciatori, Henri Epstein, Ugo Moschella
We discuss general one and two-loop banana diagrams and one-loop diagrams with external lines with arbitrary masses on the anti de Sitter spacetime by using methods of AdS quantum…
Pearcey integrals, Stokes lines and exact baryonic layers in the low energy limit of QCD
Sergio L. Cacciatori, Fabrizio Canfora, Federica Muscolino
The first analytic solutions representing baryonic layers living at finite baryon density within a constant magnetic field in the gauged Skyrme model are constructed. A remarkable…
On the ultraviolet behavior of conformally reduced quadratic gravity
Alfio Maurizio Bonanno, Maria Conti, Sergio Luigi Cacciatori
We study the conformally reduced theory of gravity and we show that the theory is asymptotically safe with an ultraviolet critical manifold of dimension three. In particula…
Banana integrals in configuration space
Sergio Luigi Cacciatori, Henri Epstein, Ugo Moschella
We reconsider the computation of banana integrals at different loops, by working in the configuration space, in any dimension. We show how the 2-loop banana integral can be compute…
Perturbative Approach to Analog Hawking Radiation in dielectric media in subcritical regime
Simone Trevisan, Francesco Belgiorno, Sergio Luigi Cacciatori
We take into account the subcritical case for dielectric media by exploiting an approximation allowing us to perform perturbative analytical calculations and still not implying low…
Intersection Numbers in Quantum Mechanics and Field Theory
Sergio L. Cacciatori, Pierpaolo Mastrolia
By elaborating on the recent progress made in the area of Feynman integrals, we apply the intersection theory for twisted de Rham cohomologies to simple integrals involving orthogo…
Cooking pasta with Lie groups
S. L. Cacciatori, F. Canfora, M. Lagos +2
We extend the (gauged) Skyrme model to the case in which the global isospin group (which usually is taken to be ) is a generic compact connected Lie group . We analyze th…
Black hole attractors and U(1) Fayet-Iliopoulos gaugings: analysis and classification
Davide Astesiano, Sergio L. Cacciatori, Alessio Marrani
We classify the critical points of the effective black hole potential which governs the attractor mechanism taking place at the horizon of static dyonic extremal black holes in $\m…
Co-homology of Differential Forms and Feynman diagrams
Sergio Luigi Cacciatori, Maria Conti, Simone Trevisan
In the present review we provide an extensive analysis of the intertwinement between Feynman integrals and cohomology theories in the light of the recent developments. Feynman inte…
Analytic multi-Baryonic solutions in the SU(N)-Skyrme model at finite density
Sergio L. Cacciatori, Fabrizio Canfora, Marcela Lagos +2
We construct explicit analytic solutions of the -Skyrme model (for generic ) suitable to describe different phases of nuclear pasta at finite volume in dimensions…
Quantization and soliton-like solutions for the -model in a optic fiber
Francesco Belgiorno, Sergio Luigi Cacciatori, Simone Trevisan +1
In the framework of a mesoscopical model for dielectric media we provide an analytical description for the electromagnetic field confined in a cylindrical cavity containing a finit…
De Sitter magnetic black hole dipole with a supersymmetric horizon
Sergio Luigi Cacciatori, Davide Astesiano
We find a new non BPS solution in gauged supergravity coupled to gauge fields and matter. It consists in a closed universe with two extremal black holes of equal…
Analytic SU(N) Skyrmions at finite Baryon density
Pedro D. Alvarez, Sergio L. Cacciatori, Fabrizio Canfora +1
We construct analytic (3+1)-dimensional Skyrmions living at finite Baryon density in the SU(N) Skyrme model that are not trivial embeddings of SU(2) into SU(N). We used Euler angle…
Optical theorem and effective action: new proofs of old results in QFT
Sergio L. Cacciatori, Andrea Zanzi
A new proof of the optical theorem at all orders is presented. Although the theorem is a well-known result in Quantum Field Theory, our proof is interesting because it is particula…
Super throats with non trivial scalars
Davide Astesiano, Sergio Luigi Cacciatori
We find new BPS solutions in Fayet-Iliopoulos gauged supergravity with STU prepotential. These are stationary solutions carrying a Kerr-Newman throat spacetime geometry…
Hyperbolic Geometry and Amplituhedra in 1+2 dimensions
Giulio Salvatori, Sergio Cacciatori
Recently, the existence of an Amplituhedron for tree level amplitudes in the bi-adjoint scalar field theory has been proved by Arkhani-Hamed et al. We argue that hyperbolic geometr…
Spectral boundary conditions and solitonic solutions in a classical Sellmeier dielectric
F. Belgiorno, S. L. Cacciatori, A. Viganò
Electromagnetic field interactions in a dielectric medium represent a longstanding field of investigation, both at the classical level and at the quantum one. We propose a 1+1 dime…