Search Results - "Polls, A"

Estimation of the effect of hyperonic three-body forces on the maximum mass of neutron stars by Vidaña, I, Logoteta, D, Providência, C, Polls, A, Bombaci, I

“…A model based on a microscopic Brueckner-Hartree-Fock approach of hyperonic matter supplemented with additional simple phenomenological density-dependent…”
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Quantum correlations and spatial localization in one-dimensional ultracold bosonic mixtures by García-March, M A, Juliá-Díaz, B, Astrakharchik, G E, Busch, Th, Boronat, J, Polls, A

“…We present the complete phase diagram for one-dimensional binary mixtures of bosonic ultracold atomic gases in a harmonic trap. We obtain exact results with…”
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High-momentum components in the nuclear symmetry energy by Carbone, A, Polls, A, Rios, A

“…The short-range and tensor correlations associated to realistic nucleon-nucleon interactions induce a population of high-momentum components in the many-body…”
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Pairing and Short-Range Correlations in Nuclear Systems by Rios, A., Polls, A., Dickhoff, W. H.

“…The structure and density dependence of the pairing gap in infinite matter is relevant for astrophysical phenomena and provides a starting point for the…”
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Fragmented condensation in Bose-Hubbard trimers with tunable tunnelling by Gallemí, A, Guilleumas, M, Martorell, J, Mayol, R, Polls, A, Juliá-Díaz, B

“…We consider a Bose-Hubbard (BH) trimer, i.e. an ultracold Bose gas populating three quantum states. The latter can be either different sites of a triple-well…”
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Creation of entangled atomic states by an analogue of the Dynamical Casimir effect by Lange, K, Peise, J, Lücke, B, Gruber, T, Sala, A, Polls, A, Ertmer, W, Juliá-Díaz, B, Santos, L, Klempt, C

“…If the boundary conditions of the quantum vacuum are changed in time, quantum field theory predicts that real, observable particles can be created in the…”
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Robustness of discrete semifluxons in closed Bose-Hubbard chains by Gallemí, A, Guilleumas, M, Martorell, J, Mayol, R, Polls, A, Juliá-Díaz, B

“…We present the properties of the ground state and low-energy excitations of Bose-Hubbard chains with a geometry that varies from open to closed and with a…”
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Two-body correlations in nuclear systems by Müther, H, Polls, A

“…Correlations in the nuclear wave-function beyond the mean-field or Hartree-Fock approximation are very important to describe basic properties of nuclear…”
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Tensor force effects and high-momentum components in the nuclear symmetry energy by Carbone, A., Polls, A., Providência, C., Rios, A., Vidaña, I.

“…We analyze microscopic many-body calculations of the nuclear symmetry energy and its density dependence. The calculations are performed in the framework of the…”
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Weakly linked binary mixtures of F = 1 87Rb Bose–Einstein condensates by Melé-Messeguer, M, Juliá-Díaz, B, Guilleumas, M, Polls, A, Sanpera, A

“…We present a study of binary mixtures of Bose-Einstein condensates confined in a double-well potential within the framework of the mean field Gross-Pitaevskii…”
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Distinguishability, degeneracy, and correlations in three harmonically trapped bosons in one dimension by García-March, M. A., Juliá-Díaz, B., Astrakharchik, G. E., Boronat, J., Polls, A.

“…We study a system of two bosons of one species and a third atom of a second species in a one-dimensional parabolic trap at zero temperature. We assume contact…”
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Microscopic calculations of spin polarized neutron matter at finite temperature by Bombaci, I., Polls, A., Ramos, A., Rios, A., Vidaña, I.

“…The properties of spin polarized neutron matter are studied both at zero and finite temperature within the framework of the Brueckner–Hartree–Fock formalism,…”
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Spin polarized neutron matter and magnetic susceptibility within the Brueckner-Hartree-Fock approximation by Vidaña, I., Polls, A., Ramos, A.

“…The Brueckner-Hartree-Fock formalism is applied to study spin polarized neutron matter properties. Results of the total energy per particle as a function of…”
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Spin–orbit and tensor interactions in homogeneous matter of nucleons: accuracy of modern many-body theories by Bombaci, I., Fabrocini, A., Polls, A., Vidaña, I.

“…We study the energy per particle of symmetric nuclear matter and pure neutron matter using realistic nucleon–nucleon potentials having noncentral tensor and…”
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Density and isospin-asymmetry dependence of high-momentum components by Rios, A., Polls, A., Dickhoff, W. H.

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Dynamic generation of spin-squeezed states in bosonic Josephson junctions by Juliá-Díaz, B., Zibold, T., Oberthaler, M. K., Melé-Messeguer, M., Martorell, J., Polls, A.

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Beyond the Gross-Pitaevskii approximation: Local density versus correlated basis approach for trapped bosons by Fabrocini, A., Polls, A.

“…We study the ground state of a system of Bose hard-spheres trapped in an isotropic harmonic potential to investigate the effect of the interatomic correlations…”
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Predicting spinor condensate dynamics from simple principles by Moreno-Cardoner, M, Mur-Petit, J, Guilleumas, M, Polls, A, Sanpera, A, Lewenstein, M

“…We study the spin dynamics of quasi-one-dimensional F=1 condensates both at zero and finite temperatures for arbitrary initial spin configurations. The rich…”
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Spin mixing in colliding spinor condensates: Formation of an effective barrier by Guilleumas, M, Juliá-Díaz, B, Mur-Petit, J, Polls, A

“…The dynamics of $F = 1$ spinor condensates initially prepared in a double-well potential is studied in the mean-field approach. It is shown that a small seed…”
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Fast generation of spin-squeezed states in bosonic Josephson junctions by Juliá-Díaz, B., Torrontegui, E., Martorell, J., Muga, J. G., Polls, A.

“…We describe methods for the fast production of highly coherent-spin-squeezed many-body states in bosonic Josephson junctions. We start from the known mapping…”
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