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65 papers · 1 filter
Densities of Solar System Objects from their Rotational Lightcurves
Pedro Lacerda, David Jewitt
We present models of the shapes of four Kuiper belt objects (KBOs) and Jovian Trojan (624) Hektor as ellipsoidal figures of equilibrium and Roche binaries. Our simulations select t…
Lowering the critical temperature with eight-quark interactions
A. A. Osipov, B. Hiller, J. Moreira +2
It is shown that eight-quark interactions, which are needed to stabilize the ground state of the combined three flavor Nambu -- Jona-Lasinio and 't Hooft Lagrangians, play also an…
On quasi-Jacobi and Jacobi-quasi bialgebroids
J. M. Nunes da Costa, F. Petalidou
We study quasi-Jacobi and Jacobi-quasi bialgebroids and their relationships with twisted Jacobi and quasi Jacobi manifolds. We show that we can construct quasi-Lie bialgebroids fro…
On quasi-Hopf smash products and twisted tensor products of quasialgebras
Helena Albuquerque, Florin Panaite
We analyze some relations between quasi-Hopf smash products and certain twisted tensor products of quasialgebras. Along the way we obtain also some results of independent interest,…
Excitation of solar-like oscillations across the HR diagram
R. Samadi, D. Georgobiani, R. Trampedach R. +3
We extend semi-analytical computations of excitation rates for solar oscillation modes to those of other solar-like oscillating stars to compare them with recent observations. Nume…
Muonic hydrogen cascade time and lifetime of the short-lived state
L. Ludhova, F. D. Amaro, A. Antognini +24
Metastable muonic-hydrogen atoms undergo collisional -quenching, with rates which depend strongly on whether the kinetic energy is above or below the ${2S}\to {2P…