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146 papers · 1 filter
Thermal Control of a Dual Mode Parametric Sapphire Transducer
Jacopo Belfi, Nicolò Beverini, Andrea De Michele +3
We propose a method to control the thermal stability of a sapphire dielectric transducer made with two dielectric disks separated by a thin gap and resonating in the whispering gal…
Probing multiband superconductivity by point-contact spectroscopy
D. Daghero, R. S. Gonnelli
Point-contact spectroscopy was originally developed for the determination of the electron-phonon spectral function in normal metals. However, in the past 20 years it has become an…
Different orderings in the narrow-band limit of the extended Hubbard model on the Bethe lattice
F. Mancini, F. P. Mancini
We present the exact solution of a system of Fermi particles living on the sites of a Bethe lattice with coordination number z and interacting through on-site U and nearest-neighbo…
Strain effect on the optical conductivity of graphene
F. M. D. Pellegrino, G. G. N. Angilella, R. Pucci
Within the tight binding approximation, we study the dependence of the electronic band structure and of the optical conductivity of a graphene single layer on the modulus and direc…
Unlimited Energy Gain in the Laser-Driven Radiation Pressure Dominant Acceleration of Ions
S. V. Bulanov, E. Yu. Echkina, T. Zh. Esirkepov +4
The energy of the ions accelerated by an intense electromagnetic wave in the radiation pressure dominated regime can be greatly enhanced due to a transverse expansion of a thin tar…
Fractal Heterogeneous Media
Christian Turk, Anna Carbone, Bernardino M. Chiaia
A method is proposed for generating compact fractal disordered media, by generalizing the random midpoint displacement algorithm. The obtained structures are invasive stochastic fr…