535 citations
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24 papers · 1 filter
Emerging the dark sector from thermodynamics of cosmological systems with constant pressure
Alejandro Aviles, Norman Cruz, Jaime Klapp +1
We investigate the thermodynamics of general fluids that have the constriction that their pressure is constant. For example, this happens in the case of pure dust matter, for which…
Spin waves scattering on a Bloch point
R. G. Elías, V. L. Carvalho-Santos, A. S. Núñez +1
We show that, after a transformation, the dynamics of linear perturbations (spin waves) around a singular Bloch point soliton is formally equivalent to a quantum system of an elect…
Soliton defects in one-gap periodic system and exotic supersymmetry
Adrian Arancibia, Francisco Correa, Vit Jakubsky +2
By applying Darboux-Crum transformations to the quantum one-gap Lame system, we introduce an arbitrary countable number of bound states into forbidden bands. The perturbed potentia…
Curvature-induced changes in the magnetic energy of vortices and skyrmions in paraboloidal nanoparticles
V. L. Carvalho-Santos, R. G. Elias, J. M. Fonseca +1
Curvature effects are important for a proper description of the properties of magnetic systems. In this paper the exchange and dipolar energy of vortices on a paraboloidal shell is…
Topological magnetic solitons on a paraboloidal shell
P. S. C. Vilas-Boas, R. G. Elias, D. Altbir +2
We study the influence of curvature on the exchange energy of skyrmions and vortices on a paraboloidal surface. It is shown that such structures appear as excitations of the Heisen…
Results of the material screening program of the NEXT experiment
T. Dafni, V. Alvarez, I. Bandac +67
The 'Neutrino Experiment with a Xenon TPC (NEXT)', intended to investigate neutrinoless double beta decay, requires extremely low background levels. An extensive material screening…