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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
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19 papers · 1 filter
Alternative Canonical Formalism for the Wess-Zumino-Witten Model
S. G. Rajeev, G. Sparano, P. Vitale
We study a canonical quantization of the Wess--Zumino--Witten (WZW) model which depends on two integer parameters rather than one. The usual theory can be obtained as a contraction…
Dependence of the Form Factors of on the Heavy Quark Mass
P. Colangelo, P. Santorelli
We use QCD sum rules to analyze the semileptonic transition in the limit . We derive the dependence of the form factor on the heavy quark m…
On the Zero-Slope Limit of the Compactified Closed Bosonic String
Raffaele Marotta, Franco Pezzella
In the framework of the compactified closed bosonic string theory with the extra spatial coordinates being circular with radius , we perform both the zero-slope limit and the $R…
Thermal noise and oscillations of photon distribution for squeezed and correlated light
V. V. Dodonov, O. V. Man'ko, V. I. Man'ko +1
The oscillations of photon distribution function for squeezed and correlated light are shown to decrease when the temperature increases.The influence of the squeezing parameter and…
Kaon decay interferometry as meson dynamics probes
G. D'Ambrosio, N. Paver
We discuss the time dependent interferences between and in the decays in and , to be studied at interferometry machines such as the -factory and LEAR. We e…
Rare -Decays and Heavy to Light Semileptonic Transitions in the Isgur and Wise Limit
Pietro Santorelli
From the experimental branching ratios for and $D^+ --> {\overl K}^{*0}({\overl K}^0) e^+ ν_e$ one finds, in the Heavy Quark Limit of , $ |V_{bu}|=(8…
Discretized Laplacians on an Interval and their Renormalization Group
G. Bimonte, E . Ercolessi, P. Teotonio-Sobrinho
The Laplace operator admits infinite self-adjoint extensions when considered on a segment of the real line. They have different domains of essential self-adjointness characterized…
A generalization of the Jordan-Schwinger map: classical version and its q--deformation
V. I. Man'ko, G. Marmo, P. Vitale +1
For all three--dimensional Lie algebras the construction of generators in terms of functions on 4-dimensional real phase space is given with a realization of the Lie product in ter…
Quantum Limits in Interferometric GW Antennas in the Presence of Even and Odd coherent states
Nadeem A. Ansari, L. Di Fiore, M. A. Man'ko +3
We discuss a model for interferometric GW antennas without dissipative or active elements. It is predicted that the even and odd coherent states may play an alternative role to squ…
Multidimensional Hermite polynomials and photon distribution for polymode mixed light
V. V. Dodonov, O. V. Man'ko, V. I. Man'ko
For N-mode light described by the Wigner function of generic Gaussian form the photon distribution function is obtained explicitly and expressed in terms of Hermite polynomial of $…
Photon distribution for one mode mixed light with generic gaussian Wigner function
V. V. Dodonov, O. V. Man'ko, V. I. Man'ko
For one-mode light described by the Wigner function of generic Gaussian form the photon distribution function is obtained explicitly and expressed in terms of Hermite polynomials o…
Photon statistics of multimode even and odd coherent light
Nadeem A. Ansari, V. I. Man'ko
The even and odd coherent states are generalized for multimode case. The explicit forms for the photon distribution, Q-function and Wigner function are derived. In particular, it i…
Dynamical Aspects of Lie--Poisson Structures
F. Lizzi, G. Marmo, G. Sparano +1
Quantum Groups can be constructed by applying the quantization by deformation procedure to Lie groups endowed with a suitable Poisson bracket. Here we try to develop an understandi…
Generalized Reduction Procedure: Symplectic and Poisson Formalism
J. Grabowski, G. Landi, G. Marmo +1
We present a generalized reduction procedure which encompasses the one based on the momentum map and the projection method. By using the duality between manifolds and ring of funct…
Current Algebra and Conformal Field Theory on a Figure Eight
A. P. Balachandran, G. Bimonte, K. S. Gupta +4
We examine the dynamics of a free massless scalar field on a figure eight network. Upon requiring the scalar field to have a well defined value at the junction of the network, it i…
Nonleptonic Cabibbo Favoured -Decays and -Asymmetries for Charmed Final Hadron States in Isgur and Wise Theory
F. Buccella, F. Lombardi, G. Miele +1
The Cabibbo allowed non-leptonic -decays in two hadrons are studied, within the factorization hypothesis, in the framework of Isgur and Wise theory for the matrix elements of th…
A Mass Spectrum for Leptons and Quarks
G. Mangano, F. Sannino
A suggestive phenomenological relation is found among the lepton and quark masses which suggests a new insight into the problem of generations and also gives a prediction for the t…
Correlation functions of quantum q-oscillators
V. I. Man'ko, G. Marmo, S. Solimeno +1
Nonlinearity of electromagnetic field vibrations described by q-oscillators is shown to produce essential dependence of second correlation functions on intensity and deformation of…
Finite-Temperature Scalar Field Theory in Static de Sitter Space
D. V. Fursaev, G. Miele
The finite-temperature one-loop effective potential for a scalar field in the static de Sitter space-time is obtained. Within this framework, by using zeta-function regularization,…