We study extended classes of logotropic fluids as unified dark energy models. Under the hypothesis of the Anton–Schmidt scenario, we consider a universe obeying a single fluid model with a logarithmic equation of state. ...
We investigate the dark matter distribution in the spiral galaxy ESO0140040, employing the most widely used density profiles: the pseudo-isothermal, exponential sphere, Burkert, Navarro-Frenk-White, Moore and Einasto ...
We investigate neutrino oscillation in the field of
an axially symmetric space-time, employing the so-called
q-metric, in the context of general relativity. Following the
standard approach, we compute the phase shift ...
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