In this study,we explore the properties of a non-rotating black hole in the Einstein-Maxwell-scalar(EMS)theory and investigate the luminosity of the accretion disk surrounding it.We determine all the orbital parameter...In this study,we explore the properties of a non-rotating black hole in the Einstein-Maxwell-scalar(EMS)theory and investigate the luminosity of the accretion disk surrounding it.We determine all the orbital parameters of particles in the accretion disk,including the radius of the innermost stable circular orbit(ISCO)with angular velocity,angular momentum,and energy.Further,we study the radiative efficiency for different values of black hole parameters.Finally,we analyze the flux,differential luminosity,and temperature of the accretion disk.展开更多
基金Supported by the National Natural Science Foundation of China (11675143, 11975203)the National Key Research and Development Program of China(2020YFC2201503)。
文摘In this study,we explore the properties of a non-rotating black hole in the Einstein-Maxwell-scalar(EMS)theory and investigate the luminosity of the accretion disk surrounding it.We determine all the orbital parameters of particles in the accretion disk,including the radius of the innermost stable circular orbit(ISCO)with angular velocity,angular momentum,and energy.Further,we study the radiative efficiency for different values of black hole parameters.Finally,we analyze the flux,differential luminosity,and temperature of the accretion disk.
