The Proton-Deuteron Transformation As a Source of Energy in Dense Stars

1940 ◽  
Vol 57 (2) ◽  
pp. 81-86 ◽  
Author(s):  
W. A. Wildhack
Keyword(s):  
Dense Stars

scholarly journals Screening Corrections to the Electron Capture Rates in Dense Stars by the Relativistically Degenerate Electron Liquid

2002 ◽  
Vol 579 (1) ◽  
pp. 380-385 ◽  
Author(s):  
Naoki Itoh ◽  
Nami Tomizawa ◽  
Masaya Tamamura ◽  
Shinya Wanajo ◽  
Satoshi Nozawa
Keyword(s):  
Electron Capture ◽  
Degenerate Electron ◽  
Dense Stars ◽  
Capture Rates

A generalized anisotropic model for super dense stars

2021 ◽  
pp. 2150070
Author(s):  
Joaquin Estevez-Delgado ◽  
Gabino Estevez-Delgado ◽  
Noel Enrique Rodríguez Maya ◽  
José Martínez Peña ◽  
Aurelio Tamez Murguía
Keyword(s):  
Radial Pressure ◽  
Compact Stars ◽  
Anisotropic Model ◽  
Speed Of Light ◽  
Matter Distribution ◽  
Sphere Model ◽  
Tangential Pressure ◽  
Relativistic Fluid ◽  
Causal Condition ◽  
Dense Stars

A static anisotropic relativistic fluid sphere model with regular geometry and finite hydrostatic functions is presented. In the interior of the sphere, the density, radial pressure and tangential pressure are positives, monotonically decreasing with increasing radius and the radial pressure vanishes at the surface of the matter distribution and is joined continuously to the exterior Schwarzschild’s solution at this surface. The speeds of the radial and tangential sound are positive and lower than the speed of light, that is, the causal condition is not violated, and also the behavior of these guarantees that the model is potentially stable. Furthermore, the range of the compactness ratio is characteristic of compact stars and it is shown that the effect of the anisotropy generates that the speed of the radial sound can behave as a function monotonically increasing or monotonically decreasing.

scholarly journals Neutrino-pair bremsstrahlung in dense stars

1984 ◽  
Vol 105 ◽  
pp. 355-356
Author(s):  
Naoki Itoh ◽  
Yasuharu Kohyama
Keyword(s):  
Neutron Stars ◽  
Liquid State ◽  
White Dwarfs ◽  
Dense Matter ◽  
Waller Factor ◽  
Bcc Lattice ◽  
Debye Waller Factor ◽  
Lattice State ◽  
Neutrino Pair ◽  
Dense Stars

Neutrino-pair bremsstrahlung rate is calculated in the framework of the Weinberg-Salam theory for the dense matter relevant to the interior of white dwarfs and neutron stars. Ionic correlations both in the liquid state and in the bcc lattice state have been taken into account accurately. It is found that the ionic correlation in the liquid state reduces the neutrino-pair bremsstrahlung rate typically by a factor 2–20 depending on the element and temperature. It is also found that accurate inclusion of the Debye-Waller factor reduces the neutrino-pair bremsstrahlung rate in the lattice state typically by a factor 2.

Neutrino-pair bremsstrahlung in dense stars. IV - Phonon contributions in the crystalline lattice phase

1984 ◽  
Vol 285 ◽  
pp. 304 ◽  
Author(s):  
N. Itoh ◽  
Y. Kohyama ◽  
N. Matsumoto ◽  
M. Seki
Keyword(s):  
Crystalline Lattice ◽  
Neutrino Pair ◽  
Dense Stars

Neutrino-pair bremsstrahlung in dense stars. V - Partially degenerate electrons

1987 ◽  
Vol 316 ◽  
pp. 708 ◽  
Author(s):  
Hiroharu Munakata ◽  
Yasuharu Kohyama ◽  
Naoki Itoh
Keyword(s):  
Neutrino Pair ◽  
Dense Stars

scholarly journals Possible Origin of Magnetic Fields in Very Dense Stars

2004 ◽  
Vol 21 (11) ◽  
pp. 2117-2119 ◽  
Author(s):  
A. P rez Mart nez ◽  
H. P rez Rojas ◽  
H. J. Mosquera Cuesta
Keyword(s):  
Magnetic Fields ◽  
Dense Stars
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