The radial parts of the gravitational,electromagnetic,neutrino,and massless scalar fields in Barriola-Vilenkin spacetime are transformed to the form of the Teukolsky-type master equation.The first quantum corrections ...The radial parts of the gravitational,electromagnetic,neutrino,and massless scalar fields in Barriola-Vilenkin spacetime are transformed to the form of the Teukolsky-type master equation.The first quantum corrections to the entropy of the black hole due to the spin fields are calculated by using the brick wall model.It is shown that the contribution of any one of the spin fields is quadratically divergent at the event horizon and is proportional to the surface area of the event horizon.展开更多
The generalized Teukolsky-type master equation in Vaidya-de Sitter space-time is given.It is found that the massive Dirac field of spin state p=1/2 differs greatly from the massive Dirac field of spin state p=-1/2 in ...The generalized Teukolsky-type master equation in Vaidya-de Sitter space-time is given.It is found that the massive Dirac field of spin state p=1/2 differs greatly from the massive Dirac field of spin state p=-1/2 in radiative mechanism.This effect originates from the variance of Dirac vacuum near the event horizon in the nonstatic space-time caused by spin state.展开更多
基金Supported by the Key Project Foundation of the Higher Education Bureau of Guangdong Province.
文摘The radial parts of the gravitational,electromagnetic,neutrino,and massless scalar fields in Barriola-Vilenkin spacetime are transformed to the form of the Teukolsky-type master equation.The first quantum corrections to the entropy of the black hole due to the spin fields are calculated by using the brick wall model.It is shown that the contribution of any one of the spin fields is quadratically divergent at the event horizon and is proportional to the surface area of the event horizon.
文摘The generalized Teukolsky-type master equation in Vaidya-de Sitter space-time is given.It is found that the massive Dirac field of spin state p=1/2 differs greatly from the massive Dirac field of spin state p=-1/2 in radiative mechanism.This effect originates from the variance of Dirac vacuum near the event horizon in the nonstatic space-time caused by spin state.