Deflection angle, quasinormal modes and optical properties of a de Sitter black hole in <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1404″ altimg=”si6.svg” class=”math”><mi>f</mi></math> (<math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1409″ altimg=”si7.svg” class=”math”><mi mathvariant=”script”>T</mi></math>, <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1414″ altimg=”si8.svg” class=”math”><mi mathvariant=”script”>B</mi></math>) gravity

Publication date: December 2023Source: Physics of the Dark Universe, Volume 42Author(s): Nashiba Parbin, Dhruba Jyoti Gogoi, Jyatsnasree Bora, Umananda Dev Goswami Continue reading Deflection angle, quasinormal modes and optical properties of a de Sitter black hole in <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1404″ altimg=”si6.svg” class=”math”><mi>f</mi></math>
(<math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1409″ altimg=”si7.svg” class=”math”><mi mathvariant=”script”>T</mi></math>, <math xmlns:mml=”http://www.w3.org/1998/Math/MathML” display=”inline” id=”d1e1414″ altimg=”si8.svg” class=”math”><mi mathvariant=”script”>B</mi></math>) gravity

An exact analytical solution of the Emden–Chandrasekhar equation for self-gravitating isothermal gas spheres in the theory of stellar structures

Publication date: December 2023Source: Physics of the Dark Universe, Volume 42Author(s): Esmaeil Ahmadi Azar, Bahram Jalili, Ali Ahmadi Azar, Payam Jalili, Mohammad Atazadeh, Davood Domiri Ganji Continue reading An exact analytical solution of the Emden–Chandrasekhar equation for self-gravitating isothermal gas spheres in the theory of stellar structures