scholarly journals Atmospheres of magnetized neutron stars: vacuum polarization and partially ionized models

2004 ◽  
Vol 33 (4) ◽  
pp. 537-541 ◽  
Author(s):  
Wynn C.G Ho ◽  
Dong Lai ◽  
Alexander Y Potekhin ◽  
Gilles Chabrier
Keyword(s):  
Neutron Stars ◽  
Vacuum Polarization ◽  
Partially Ionized

scholarly journals Partially ionized atmospheres of neutron stars with strong magnetic fields

2005 ◽  
Vol 35 (6) ◽  
pp. 1158-1161 ◽  
Author(s):  
A.Y. Potekhin ◽  
Dong Lai ◽  
G. Chabrier ◽  
W.C.G. Ho
Keyword(s):  
Magnetic Fields ◽  
Neutron Stars ◽  
Strong Magnetic Fields ◽  
Partially Ionized

Atmospheres and Spectra of Strongly Magnetized Neutron Stars. III. Partially Ionized Hydrogen Models

2003 ◽  
Vol 599 (2) ◽  
pp. 1293-1301 ◽  
Author(s):  
Wynn C. G. Ho ◽  
Dong Lai ◽  
Alexander Y. Potekhin ◽  
Gilles Chabrier
Keyword(s):  
Neutron Stars ◽  
Partially Ionized

scholarly journals Partially ionized layers of accreted envelopes of weakly and strongly magnetized neutron stars

2000 ◽  
Vol 177 ◽  
pp. 619-620 ◽  
Author(s):  
Alexander Potekhin ◽  
Gilles Chabrier ◽  
Yuri Shibanov
Keyword(s):  
Magnetic Field ◽  
Neutron Star ◽  
Equation Of State ◽  
Neutron Stars ◽  
Strong Field ◽  
Ionization Degree ◽  
Occupation Numbers ◽  
Partially Ionized

AbstractWe study equilibrium properties of partially ionized hydrogen atmospheres and subphotospheric layers of weakly (with magnetic fieldB≪ 109G) and strongly (B≫ 1010G) magnetized neutron stars. In both weak- and strong-field cases, the ionization degree, atomic occupation numbers, and equation of state are calculated. These results are used to calculate opacities of neutron-star atmospheres.

scholarly journals Effect of Vacuum Polarization in a Strong Magnetic Field and Spectral Features of X-Ray Source Emission

1990 ◽  
Vol 115 ◽  
pp. 78-84
Author(s):  
Yu. N. Gnedin
Keyword(s):  
Magnetic Field ◽  
Magnetic Fields ◽  
Neutron Stars ◽  
Electromagnetic Radiation ◽  
Vacuum Polarization ◽  
Spectral Features ◽  
Strong Magnetic Fields ◽  
X Ray ◽  
Electron Positron ◽  
Medium Vacuum

AbstractIn strong magnetic fields of neutron stars electron-positron vacuum behaves as an anisotropic medium. Vacuum influences the generation and propagation of electromagnetic radiation in plasma and changes the spectrum of radiation. As a result the change of cyclotron lines shape and appearance of specific “vacuum lines” should be observed in X-ray spectra of accreting neutron stars.

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