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Browsing by Author "892dc824-03fa-400a-9fd2-ceab94a978e3"

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CONNECTION BETWEEN REGULAR BLACK HOLES IN NONLINEAR ELECTRODYNAMICS AND SEMICLASSICAL DUST COLLAPSE

Malafarina, Daniele; Toshmatov, Bobir (PHYSICAL REVIEW D, 2022)

There exists a correspondence between black holes in nonlinear electrodynamics (NLED) and gravitational collapse of homogeneous dust with semiclassical corrections in the strong curvature regime that to our knowledge has ...
EFFECTS OF GRAVITATIONAL LENSING ON NEUTRINO OSCILLATION IN Γ-SPACETIME

Chakrabarty, Hrishikesh; Borah, Debasish; Abdujabbarov, Ahmadjon; Malafarina, Daniele; Ahmedov, Bobomurat (The European Physical Journal C, 2022)

We study the effects of gravitational lensing on neutrino oscillations in the γ-spacetime which describes a static, axially-symmetric and asymptotically flat solution of the Einstein’s field equations in vacuum. Using the ...
HAMILTONIAN FORMULATION OF DUST CLOUD COLLAPSE

Kwidzinski, Nick; Malafarina, Daniele; Ostrowski, Jan J.; Piechocki, Włodzimierz; Schmitz, Tim (arxiv, 2020-04)

We consider the gravitational collapse of a self-gravitating spherical dust cloud in the Hamiltonian formalism. We address both homogeneous and inhomogeneous cases. Our novel derivation of the Hamiltonian of the system ...
QUASI-HARMONIC OSCILLATIONS OF CHARGED PARTICLES IN STATIC AXIALLY SYMMETRIC SPACE-TIMES IMMERSED IN A UNIFORM MAGNETIC FIELD

Benavides-Gallego, Carlos A.; Abdujabbarov, Ahmadjon; Malafarina, Daniele; Bambi, Cosimo (arxiv, 2020)

In continuation of our previous study [Phys. Rev. D 99 (2019) 4, 044012], we investigate the motion of charged particles in the γ-metric. We provide some examples of curled trajectories in the equatorial plane and escape ...