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19 papers · 1 filter
Wick rotations in 3D gravity: ML(H2)-spacetimes
Riccardo Benedetti, Francesco Bonsante
"Ends of hyperbolic 3-manifolds should support canonical Wick Rotations, so they realize effective interactions of their ending globally hyperbolic spacetimes of constant curvature…
Low energy $n-\nuc{3}{H}$ scattering : a novel testground for nuclear interaction
R. Lazauskas, J. Carbonell, A. C. Fonseca +3
The low energy $n-\nuc{3}{H}$ elastic cross sections near the resonance peak are calculated by solving the 4-nucleon problem with realistic NN interactions. Three different methods…
Symmetry properties of some Euler-type equations in plasma physics
F. Ceccherini, G. Cicogna, F. Pegoraro
We consider a system of partial differential equations, of interest to plasma physics, and provide all its Lie point symmetries, with their respective invariant solutions. We also…
Manipulation of ultracold atomic mixtures using microwave techniques
D. Ciampini, E. Courtade, C. Sias +5
We used microwave radiation to evaporatively cool a mixture of of 133Cs and 87Rb atoms in a magnetic trap. A mixture composed of an equal number (around 10^4) of Rb and Cs atoms in…
Impact of dissipative effects on the macroscopic evolution of a Vlasov system
Laura Galeotti, Francesco Califano
Numerical diffusion is introduced by any numerical scheme as soon as small scales fluctuations, generated during the dynamical evolution of a collisionless plasma, become comparabl…
Propagation of finite amplitude electrostatic disturbances in an inhomogeneous magnetized plasma
Maurizio Lontano, Laura Galeotti, Francesco Califano
A 1D2V open boundary Vlasov-Ampere code has been implemented with the aim of making a detailed investigation of the propagation of finite amplitude electromagnetic disturbances in…