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Effective propagators of flavor neutrinos
Maxim Dvornikov
We analyze the possibility to construct propagators of flavor neutrinos, which are particles with indefinite masses. This kind of propagators was used previously while studying neu…
Cherenkov plasmons emission by primordial neutrinos
Maxim Dvornikov
We study the emission of Cherenkov plasmons by the gas of neutrinos with a nonzero temperature and a chemical potential. The background plasma, consisting of charged leptons, is ta…
Quantization of massive Dirac neutrinos in external fields
Maxim Dvornikov
We review the applications of the quantum field theory (QFT) for the description of massive Dirac neutrinos in external fields. Two particular cases of external background are cons…
Impact of antiparticle degrees of freedom on neutrino flavor oscillations in frames of quantum field theory
Maxim Dvornikov
We study neutrino flavor oscillations using the approach based on the quantum field theory (QFT), where neutrinos are taken to be virtual particles. One deals with the propagators…
Study of neutrino spin oscillations in a gravitational field with a differential equations method
Mridupawan Deka, Maxim Dvornikov
In this work, we employ Ordinary Differential Equation solution method to study neutrino spin oscillations in the case when they are gravitationally scattered off a rotating Kerr b…
Quantum field theory treatment of oscillations of Dirac neutrinos in external fields
Maxim Dvornikov
We study neutrino oscillations in external fields using the approach based on the quantum field theory (QFT). Neutrinos are virtual particles in this formalism. Neutrino mass eigen…
The effect of background matter on the spin oscillations of neutrinos scattered by the supermassive black hole
Mridupawan Deka, Maxim Dvornikov
We study spin oscillations of neutrinos in relativistic moving matter inside an accretion disk. These neutrinos are gravitationally scattered off a spinning Kerr black hole surroun…
Quantum field theory treatment of the neutrino spin-flavor precession in a magnetic field
Maxim Dvornikov
We study the spin-flavor precession of neutrinos in a magnetic field within the quantum field theory approach in which neutrinos are virtual particles. Neutrinos are taken to be Ma…
Spin and flavor oscillations of neutrinos in gravitational fields
Maxim Dvornikov
We summarize our recent achievements in the description of neutrino oscillations in various gravitational fields. After the short review of the previous studies of neutrinos in gra…
Neutrino spin oscillations near a black hole
Mridupawan Deka, Maxim Dvornikov
In this work, we study neutrino spin oscillations in the case when they are gravitationally scattered off a rotating Kerr black hole surrounded by a thick magnetized accretion disk…
Spin oscillations of neutrinos scattered by the supermassive black hole in the galactic center
Mridupawan Deka, Maxim Dvornikov
In this work, we study the propagation and spin oscillations of neutrinos in their scattering by a supermassive black hole (SMBH) surrounded by a realistic accretion disk. We revie…
Quantum field theory treatment of neutrino flavor oscillations in matter
Maxim Dvornikov
We study neutrino oscillations in background matter within the quantum field theory formalism where neutrino mass eigenstates are virtual particles. In this case, neutrino mass eig…
Spin oscillations in neutrino gravitational scattering
Mridupawan Deka, Maxim Dvornikov
We study neutrino spin oscillations while the particles scatter off a rotating black hole surrounded by a thick magnetized accretion disk. Neutrino spin precession is caused by the…
Superfluidity in neutrino clusters
Maxim Dvornikov
We study the formation of a superfluid condensate of neutrinos inside a neutrino cluster. The attractive interaction between neutrinos is mediated by a scalar boson which is lighte…
Neutrino spin and flavor oscillations in gravitational fields
Maxim Dvornikov
We study spin and flavor oscillations of astrophysical neutrinos under the influence of external fields in curved spacetime. First, we consider spin oscillations in case of neutrin…
Magnetic fields in inhomogeneous axion stars
Petr Akhmetiev, Maxim Dvornikov
We study the time evolution of magnetic fields in various configurations of spatially inhomogeneous pseudoscalar fields, which are the coherent superposition of axions. The new ind…
Production of relic gravitational waves and the baryon asymmetry of the universe by random hypermagnetic fields
Maxim Dvornikov
We study the evolution of hypermagnetic fields (HMFs) in random plasma in the symmetric phase of the early universe. The system of kinetic equations for the spectra of the energy d…
Scattering of neutrinos by a rotating black hole accounting for the electroweak interaction with an accretion disk
Maxim Dvornikov
We study spin effects in the neutrino gravitational scattering by a supermassive black hole with a magnetized accretion disk having a finite thickness. We exactly describe the prop…
Neutrino oscillations in gravitational fields and astrophysical applications
Maxim Dvornikov
The neutrino propagation and oscillations in various gravitational fields are studied. First, we consider the neutrino scattering off a black hole accounting for the neutrino spin…
Gravitational scattering of spinning neutrinos by a rotating black hole with a slim magnetized accretion disk
Maxim Dvornikov
We study neutrinos gravitationally scattered off a rotating supermassive black hole which is surrounded by a thin accretion disk with a realistic magnetic field. Neutrinos are supp…
Interaction of inhomogeneous axions with magnetic fields in the early universe
Maxim Dvornikov
We study the system of interacting axions and magnetic fields in the early universe after the quantum chromodynamics phase transition, when axions acquire masses. Both axions and m…
Gravitational waves generation in turbulent hypermagnetic fields before the electroweak phase transition
Maxim Dvornikov
We study the production of relic gravitational waves (GWs) in turbulent hypermagnetic fields (HMFs) in the symmetric phase of the early universe before the electroweak phase transi…
Neutrino scattering off a black hole surrounded by a magnetized accretion disk
Maxim Dvornikov
We study the neutrino scattering off a rotating black hole with a realistic accretion disk permeated by an intrinsic magnetic field. Neutrino trajectories in curved spacetime as we…
Interaction of supernova neutrinos with stochastic gravitational waves
Maxim Dvornikov
We examine the propagation and flavor oscillations of neutrinos under the influence of gravitational waves (GWs) with an arbitrary polarization. We rederive the effective Hamiltoni…