نتایج جستجو برای: neutron star

تعداد نتایج: 113668  

Journal: :iranian journal of astronomy and astrophysic 0
mohsen bigdeli department of physics, university of zanjan, p.o. box 45195-313, zanjan, iran nariman roohi department of physics, university of zanjan, p.o. box 45195-313, zanjan, iran mina zamani department of physics, university of zanjan, p.o. box 45195-313, zanjan, iran

in the present work, we have obtained the equation of state for neutron star matter considering the in uence of the ferromagnetic and antiferromagnetic spin state. we have also investigated the structure of neutron stars. according to our results, the spin asymmetry sti ens the equation of state and leads to high mass for the neutron star.

Mina Zamani, Mohsen Bigdeli, Nariman Roohi

In the present work, we have obtained the equation of state for neutron star matter considering the in uence of the ferromagnetic and antiferromagnetic spin state. We have also investigated the structure of neutron stars. According to our results, the spin asymmetry stiens the equation of state and leads to high mass for the neutron star.

بردبار, غلامحسین , خسروپور, بهروز ,

  In this paper, we consider the first case of formation of newborn neutron star named protoneutron star which is described with constant entropy per baryon about 1-2kB ( kB is Boltzman constant ) and lepton fraction about 0.3-0.4. In this case, by considering the neutrinos mean energy in our calculations, we compute the total energy, equation of state, mass and radius of protoneutron star. Fin...

2005
Gerald E. Brown Chang-Hwan Lee

In the light of recent observations in which short γ-ray bursts are interpreted as arising from black-hole, neutron-star or neutron-star, neutron-star mergings we would like to review our research on the evolution of compact binaries, especially those containing neutron stars. These were carried out with predictions for LIGO in mind, but are directly applicable to short γ-ray bursts in the inte...

2017

We report here the non-detection of gravitational waves from the merger of binary–neutron star systems and neutron star–black hole systems during the first observing run of the Advanced Laser Interferometer Gravitationalwave Observatory (LIGO). In particular, we searched for gravitational-wave signals from binary–neutron star systems with component masses Î  M 1, 3 [ ] and component dimensionl...

2016

We report here the non-detection of gravitational waves from the merger of binary–neutron star systems and neutron star–black hole systems during the first observing run of the Advanced Laser Interferometer Gravitationalwave Observatory (LIGO). In particular, we searched for gravitational-wave signals from binary–neutron star systems with component masses Î  M 1, 3 [ ] and component dimensionl...

2017

We report here the non-detection of gravitational waves from the merger of binary–neutron star systems and neutron star–black hole systems during the first observing run of the Advanced Laser Interferometer Gravitationalwave Observatory (LIGO). In particular, we searched for gravitational-wave signals from binary–neutron star systems with component masses Î  M 1, 3 [ ] and component dimensionl...

2017

We report here the non-detection of gravitational waves from the merger of binary–neutron star systems and neutron star–black hole systems during the first observing run of the Advanced Laser Interferometer Gravitationalwave Observatory (LIGO). In particular, we searched for gravitational-wave signals from binary–neutron star systems with component masses Î  M 1, 3 [ ] and component dimensionl...

2017

We report here the non-detection of gravitational waves from the merger of binary–neutron star systems and neutron star–black hole systems during the first observing run of the Advanced Laser Interferometer Gravitationalwave Observatory (LIGO). In particular, we searched for gravitational-wave signals from binary–neutron star systems with component masses Î  M 1, 3 [ ] and component dimensionl...

2017

We report here the non-detection of gravitational waves from the merger of binary–neutron star systems and neutron star–black hole systems during the first observing run of the Advanced Laser Interferometer Gravitationalwave Observatory (LIGO). In particular, we searched for gravitational-wave signals from binary–neutron star systems with component masses Î  M 1, 3 [ ] and component dimensionl...

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