Zobrazeno 1 - 10
of 100
pro vyhledávání: '"Suen, W. M."'
Publikováno v:
JCAP 09 (2009) 007
We study the dynamical evolution of a phase-transition-induced collapse neutron star to a hybrid star, which consists of a mixture of hadronic matter and strange quark matter. The collapse is triggered by a sudden change of equation of state, which r
Externí odkaz:
http://arxiv.org/abs/0908.1834
Publikováno v:
Astrophys.J.695:732-746,2009
The standard model for Type II supernovae explosion, confirmed by the detection of the neutrinos emitted during the supernova explosion, predicts the formation of a compact object, usually assumed to be a neutron star. However, the lack of the detect
Externí odkaz:
http://arxiv.org/abs/0902.0653
Jin et al reported that axisymmetric simulations of NS-like objects with polytropic EOS undergo critical gravitational collapse. As the critical collapse observed via fine-tuning of the adiabatic index $\Gamma$, they conjecture that critical phenomen
Externí odkaz:
http://arxiv.org/abs/0807.1710
Publikováno v:
Astrophys.J.639:382-396,2006
(Abridged) We study the gravitational radiation from gravitational collapses of rapidly rotating neutron stars induced by a phase-transition from normal nuclear matter to a mixed phase of quark and nuclear matter in the core of the stars. The study i
Externí odkaz:
http://arxiv.org/abs/astro-ph/0509447
Autor:
Lu, J. L., Suen, W. -M.
Publikováno v:
Gen.Rel.Grav. 35 (2003) 1175-1189
Embedding diagrams have been used extensively to visualize the properties of curved space in Relativity. We introduce a new kind of embedding diagram based on the {\it extrinsic} curvature (instead of the intrinsic curvature). Such an extrinsic curva
Externí odkaz:
http://arxiv.org/abs/gr-qc/0301012
Publikováno v:
J. Math. Phys. _42_, 4802 (2001)
Supersymmetry (SUSY) in quantum mechanics is extended from square-integrable states to those satisfying the outgoing-wave boundary condition, in a Klein-Gordon formulation. This boundary condition allows both the usual normal modes and quasinormal mo
Externí odkaz:
http://arxiv.org/abs/math-ph/0011037
Quasinormal modes are the counterparts in open systems of normal modes in conservative systems; defined by outgoing-wave boundary conditions, they have complex eigenvalues. The conditions are studied for a system to have a supersymmetric(SUSY) partne
Externí odkaz:
http://arxiv.org/abs/math-ph/9909030
Publikováno v:
Rev.Mod.Phys.70:1545,1998
An open system is not conservative because energy can escape to the outside. An open system by itself is thus not conservative. As a result, the time-evolution operator is not hermitian in the usual sense and the eigenfunctions (factorized solutions
Externí odkaz:
http://arxiv.org/abs/gr-qc/9904017
Dissipative quantum systems are sometimes phenomenologically described in terms of a non-hermitian hamiltonian $H$, with different left and right eigenvectors forming a bi-orthogonal basis. It is shown that the dynamics of waves in open systems can b
Externí odkaz:
http://arxiv.org/abs/math-ph/9903016
Publikováno v:
Phys.Rev. D59 (1999) 044034
Using a recently developed perturbation theory for uasinormal modes (QNM's), we evaluate the shifts in the real and imaginary parts of the QNM frequencies due to a quasi-static perturbation of the black hole spacetime. We show the perturbed QNM spect
Externí odkaz:
http://arxiv.org/abs/gr-qc/9903032