Zobrazeno 1 - 10
of 186
pro vyhledávání: '"Sandín F"'
Publikováno v:
In Tribology International April 2019 132:30-38
Autor:
Fischer, T., Blaschke, D., Hempel, M., Klähn, T., Łastowiecki, R., Liebendörfer, M., Martínez-Pinedo, G., Pagliara, G., Sagert, I., Sandin, F., Schaffner-Bielich, J., Typel, S.
We compare two classes of hybrid equations of state with a hadron-to-quark matter phase transition in their application to core collapse supernova simulations. The first one uses the quark bag model and describes the transition to three-flavor quark
Externí odkaz:
http://arxiv.org/abs/1103.3004
Publikováno v:
Acta Phys. Pol. B Proc. Suppl. 3, 741 (2010)
We discuss a hybrid equation of state (EoS) that fulfills constraints for mass-radius relationships and cooling of compact stars. The quark matter EoS is obtained from a Polyakov-loop Nambu--Jona-Lasinio (PNJL) model with color superconductivity, and
Externí odkaz:
http://arxiv.org/abs/1004.4375
Publikováno v:
J.Phys.G37:094063,2010
We discuss a Nambu--Jona-Lasinio (NJL) type quantum field theoretical approach to the quark matter equation of state with color superconductivity and construct hybrid star models on this basis. It has recently been demonstrated that with increasing b
Externí odkaz:
http://arxiv.org/abs/1002.1299
Publikováno v:
AIP Conf.Proc.1128:175-185,2009
One of the key ingredients to understand the properties of neutrons stars is the equation of state at finite densities far beyond nuclear saturation. Investigating the phase structure of quark matter that might be realized in the core of NS inspires
Externí odkaz:
http://arxiv.org/abs/0904.4729
Publikováno v:
Phys.Rev.C80:065807,2009
We suggest a scenario where the three light quark flavors are sequentially deconfined under increasing pressure in cold asymmetric nuclear matter as found, e.g., in neutron stars. The basis for our analysis is a chiral quark matter model of Nambu--Jo
Externí odkaz:
http://arxiv.org/abs/0807.0414
Recent indications for high neutron star masses (M \sim 2 M_sun) and large radii (R > 12 km) could rule out soft equations of state and have provoked a debate whether the occurence of quark matter in compact stars can be excluded as well. We show tha
Externí odkaz:
http://arxiv.org/abs/0712.0117
Publikováno v:
J.Phys.G35:014051,2008
Recently, observations of compact stars have provided new data of high accuracy which put strong constraints on the high-density behaviour of the equation of state of strongly interacting matter otherwise not accessible in terrestrial laboratories. T
Externí odkaz:
http://arxiv.org/abs/0708.4216
Autor:
Sandin, F., Hansson, J.
Publikováno v:
Phys.Rev.D76:125006,2007
We discuss possible ways to observationally detect the superdense cosmic objects composed of hypothetical sub-constituent fermions beneath the quark/lepton level, recently proposed by us. The characteristic mass and size of such objects depend on the
Externí odkaz:
http://arxiv.org/abs/astro-ph/0701768
Autor:
Sandin, F., Blaschke, D.
Publikováno v:
Phys.Rev.D75:125013,2007
We study the effect of neutrino trapping in new-born quark stars within a three-flavor Nambu - Jona-Lasinio (NJL) model with self-consistently calculated quark masses. The phase diagrams and equations of state for charge neutral quark matter in beta-
Externí odkaz:
http://arxiv.org/abs/astro-ph/0701772