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13 papers · 1 filter
Some aspects of the cosmological conformal equivalence between ``Jordan Frame'' and ``Einstein Frame''
Salvatore Capozziello, Ruggiero de Ritis, Alma Angela Marino
The conformal equivalence between Jordan frame and Einstein frame can be used in order to search for exact solutions in general theories of gravity in which scalar fields are minim…
Small-amplitude excitations in a deformable discrete nonlinear Schroedinger equation
V. V. Konotop, M. Salerno
A detailed analysis of the small-amplitude solutions of a deformed discrete nonlinear Schrödinger equation is performed. For generic deformations the system possesses "singular" po…
A class of nonlinear wave equations containing the continuous Toda case
E. Alfinito, M. S. Causo, G. Profilo +1
We consider a nonlinear field equation which can be derived from a binomial lattice as a continuous limit. This equation, containing a perturbative friction-like term and a free pa…
Nambu-Goto string with massive ends at finite temperature
G. Lambiase, V. V. Nesterenko
It is shown that the critical (or deconfinement) temperature for the Nambu-Goto string connecting the point-like masses (quarks) does not depend on the value of these masses. This…
Structure and Function
Giuseppe Vitiello
I discuss the role of quantum dynamics in brain and living matter physics. The paper is presented in the form of a letter to Patricia S. Churchland.
Observation of Events with an Energetic Forward Neutron in Deep Inelastic Scattering at HERA
ZEUS Collaboration, M. Derrick et al
In deep inelastic neutral current scattering of positrons and protons at the center of mass energy of 300 GeV, we observe, with the ZEUS detector, events with a high energy neutron…