14.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Naples Federico IIIT4k papers
- Centre National de la Recherche ScientifiqueFR3.7k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT3.4k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR3.3k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIT3.1k papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR3.1k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT3k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2.9k papers
- Rutherford Appleton LaboratoryGB2.8k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT2.8k papers
- Sapienza University of RomeIT2.7k papers
- The Ohio State UniversityUS2.7k papers
50 papers · 1 filter
Bargmann-Michel-Telegdi equation and one-particle relativistic approach
A. Della Selva, J. Magnin, L. Masperi
A reexamination of the semiclassical approach of the relativistic electron indicates a possible variation of its helicity for electric and magnetic static fields applied along its…
Coleman-Weinberg SO(10) GUT Theories as Inflationary Models
Giampiero Esposito, Gennaro Miele, Pietro Santorelli
The flat-space limit of the one-loop effective potential for SO(10) GUT theories in spatially flat Friedmann-Robertson-Walker cosmologies is applied to study the dynamics of the ea…
Consistent anomalies of the induced W gravities
M. Abud, J. -P. Ader, L. Cappiello
The BRST anomaly which may be present in the induced gravity quantized on the light-cone is evaluated in the geometrical framework of Zucchini. The cocycles linked by the coh…
Higher-Order Differential Operators on a Lie Group and Quantization
V. Aldaya, J. Guerrero, G. Marmo
This talk is devoted mainly to the concept of higher-order polarization on a group, which is introduced in the framework of a Group Approach to Quantization, as a powerful tool to…
Neutrino propagation in a medium with a magnetic field
S. Esposito, G. Capone
We study the properties of neutrinos propagating in an isotropic magnetized medium in the two physical approximations of degenerate Fermi gas and classical plasma. The dispersion r…
Anyonic Realization of the Quantum Affine Lie Algebra U_q(A_N)
L. Frappat, A. Sciarrino, S. Sciuto +1
We give a realization of quantum affine Lie algebra in terms of anyons defined on a two-dimensional lattice, the deformation parameter being related to the…
Quantum statistics and Altarelli-Parisi evolution equations
G. Mangano, G. Miele, G. Migliore
The phenomenological evidence of quantum statistical effects in parton physics is here briefly summarized, and the recent good results obtained by parameterizing the parton distrib…
Radiation Damping and Quantum Excitation for Longitudinal Charged Particle Dynamics in the Thermal Wave Model
R. Fedele, G. Miele, L. Palumbo
On the basis of the recently proposed {\it Thermal Wave Model (TWM) for particle beams}, we give a description of the longitudinal charge particle dynamics in circular accelerating…
QCD Sum Rule Analysis of the Decays and
P. Colangelo, F. De Fazio, P. Santorelli +1
We use QCD sum rules to calculate the hadronic matrix elements governing the rare decays and induced by the flavour changing neutr…
Essential self-adjointness in one-loop quantum cosmology
Giampiero Esposito, Hugo A. Morales-Tecotl, Luis O. Pimentel
The quantization of closed cosmologies makes it necessary to study squared Dirac operators on closed intervals and the corresponding quantum amplitudes. This paper proves self-adjo…
Non-Local Properties in Euclidean Quantum Gravity
Giampiero Esposito
In the one-loop approximation for Euclidean quantum gravity, the boundary conditions which are completely invariant under gauge transformations of metric perturbations involve both…
Linear Form of Canonical Gravity
Giampiero Esposito, Cosimo Stornaiolo
Recent work in the literature has shown that general relativity can be formulated in terms of a jet bundle which, in local coordinates, has five entries: local coordinates on Loren…
Quantum Effects in Friedmann-Robertson-Walker Cosmologies
Giampiero Esposito, Gennaro Miele, Luigi Rosa +1
Electrodynamics for self-interacting scalar fields in spatially flat Friedmann-Robertson-Walker space-times is studied. The corresponding one-loop field equation for the expectatio…
Inflaton Potential Reconstruction and Generalized Equations of State
G. Mangano, G. Miele, C. Stornaiolo
We extend a previous analysis concerning cosmological fluids with generalized equations of state in order to study inflationary scenarios. In the framework of the slow-roll approxi…
One-loop effective potential for SO(10) GUT theories in de Sitter space
Giampiero Esposito, Gennaro Miele, Luigi Rosa
Zeta-function regularization is applied to evaluate the one-loop effective potential for SO(10) grand-unified theories in de Sitter cosmologies. When the Higgs scalar field belongs…
Does One Need the Anomaly to Describe the Polarized Structure Functions?
F. Buccella, O. Pisanti, P. Santorelli +1
The SLAC data on the p, d and n polarized structure functions are fairly well reproduced with and without the contribution of the anomaly. The results are compared with a previous…
Twistors in Conformally Flat Einstein Four-Manifolds
Giampiero Esposito, Giuseppe Pollifrone
This paper studies the two-component spinor form of massive spin-3/2 potentials in conformally flat Einstein four-manifolds. Following earlier work in the literature, a non-vanishi…
Spin-3/2 Potentials in Backgrounds with Boundary
Giampiero Esposito, Gabriele Gionti, Alexander Yu. Kamenshchik +2
This paper studies the two-spinor form of the Rarita-Schwinger potentials subject to local boundary conditions compatible with local supersymmetry. The massless Rarita-Schwinger fi…
Mixed Boundary Conditions in Euclidean Quantum Gravity
Giampiero Esposito, Alexander Yu. Kamenshchik
This paper studies a new set of mixed boundary conditions in Euclidean quantum gravity. These involve, in particular, Robin boundary conditions on the perturbed 3-metric and hence…
Noncommutative Lattices and Their Continuum Limits
G. Bimonte, E. Ercolessi, G. Landi +3
We consider finite approximations of a topological space by noncommutative lattices of points. These lattices are structure spaces of noncommutative -algebras which in tur…
Alpha Surfaces for Complex Space-Times with Torsion
Giampiero Esposito
This paper studies necessary conditions for the existence of alpha-surfaces in complex space-time manifolds with nonvanishing torsion. For these manifolds, Lie brackets of vector f…
Singularity Theory in Classical Cosmology
Giampiero Esposito
This paper compares recent approaches appearing in the literature on the singularity problem for space-times with nonvanishing torsion.
Boundary Terms for Massless Fermionic Fields
Giampiero Esposito, Hugo A. Morales-Tecotl, Giuseppe Pollifrone
Local supersymmetry leads to boundary conditions for fermionic fields in one-loop quantum cosmology involving the Euclidean normal to the boundary and a pair of independent spinor…
Lagrangian Theory of Constrained Systems: Cosmological Application
Giampiero Esposito, Gabriele Gionti, Giuseppe Marmo +1
Previous work in the literature has studied the Hamiltonian structure of an R-squared model of gravity with torsion in a closed Friedmann-Robertson-Walker universe. Within the fram…