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pro vyhledávání: '"Mornas, L."'
Autor:
Mornas, L.
Publikováno v:
Eur.Phys.J. A24 (2005) 293-312
Available Skyrme parametrizations with hyperons are examined from the point of view of their suitability for applications to neutron stars. It is shown that the hyperons can attenuate or even remove the problem of ferromagnetic instability common to
Externí odkaz:
http://arxiv.org/abs/nucl-th/0407083
Autor:
Mornas, L.
Publikováno v:
Eur.Phys.J.A23:365-378,2005
The contribution of Lambda hyperons to neutrino scattering rates is calculated in the random phase approximation in a model where the interaction is described by a Skyrme potential. Finite temperature and neutrino trapping are taken into account in v
Externí odkaz:
http://arxiv.org/abs/nucl-th/0407084
Autor:
Mornas, L.
Publikováno v:
Nucl.Phys. A721 (2003) 1040-1043
The in-medium modification to the neutrino-nucleon scattering rate is calculated in the relativistic random phase approximation in the framework of a hadronic meson exchange model, in view of applications to neutrino transport in supernovae and proto
Externí odkaz:
http://arxiv.org/abs/nucl-th/0210035
Publikováno v:
AIP Conf.Proc. 644 (2003) 233-238
We explore the possible formation of ordered phases in neutron star matter. In the framework of a quantum hadrodynamics model where neutrons, protons and Lambda hyperons interact via the exchange of mesons, we compare the energy of the usually assume
Externí odkaz:
http://arxiv.org/abs/nucl-th/0209044
Autor:
Mornas, L.
We calculate dispersion relations and propagators for the $\sigma$, $\omega$, $\pi$, $\rho$, $\delta$, $\eta$ and $a_1$ mesons in relativistic, dense, hot, symmetric nuclear matter. In addition to the usual mixing of the $\sigma-\omega$ system, we ob
Externí odkaz:
http://arxiv.org/abs/nucl-th/0107005
Autor:
Mornas, L.
We calculate dispersion relations and propagators for the $\sigma$, $\omega$, $\rho$ and $\delta$ mesons in relativistic nuclear matter with a proton-neutron asymmetry. In addition to the $\sigma$-$\omega$ and $\delta$-$\rho$ mixings already present
Externí odkaz:
http://arxiv.org/abs/nucl-th/0107002
Autor:
Mornas, L., Perez, A.
Publikováno v:
Eur.Phys.J. A13 (2002) 383-397
We present a calculation of the neutrino-nucleon scattering cross section which takes into account the nuclear correlations in the relativistic random phase approximation. Our approach is based on a quantum hadrodynamics model with exchange of $\sigm
Externí odkaz:
http://arxiv.org/abs/nucl-th/0106058
Publikováno v:
Nuclear Physics A 699 (2002) 939-962
In this work, we explore the possible formation of ordered phases in hadronic matter, related to the presence of hyperons at high densities. We analyze a microscopic mechanism which can lead to the crystallization of the hyperonic sector by the confi
Externí odkaz:
http://arxiv.org/abs/nucl-th/0105037
Published in Hadrons, Nuclei and Applications, World Scientific, Singapore, Proc.of the Conference Bologna2000. Structure of the Nucleus at the Dawn of the Century, G. Bonsignori, M. Bruno, A. Ventura, D. Vretenar Editors, pag. 319.
Comment: 4 p
Comment: 4 p
Externí odkaz:
http://arxiv.org/abs/nucl-th/0105031
Autor:
Mornas, L., Morawetz, K.
We reexamine the derivation of relativistic transport equations for fermions when conserving the most general spinor structure of the interaction and Green function. Such an extension of the formalism is needed when dealing with {\it e.g.} spin-polar
Externí odkaz:
http://arxiv.org/abs/nucl-th/9909073