Neutrino spin oscillations in gravitational fields

Abstract

We study neutrino spin oscillations in gravitational fields. The quasi-classical approach is used to describe the neutrino spin evolution. First we examine the case of a weak gravitational field. We obtain the effective Hamiltonian for the description of neutrino spin oscillations. We also receive the neutrino transition probability when a particle propagates in the gravitational field of a rotating massive object. Then we apply the general technique to the description of neutrino spin oscillations in the Schwarzschild metric. The neutrino spin evolution equation for the case of the neutrino motion in the vicinity of a black hole is obtained. The effective Hamiltonian and the transition probability are also derived. We examine the neutrino oscillations process on different circular orbits and analyze the frequencies of spin transitions. The validity of the quasi-classical approach is also considered.

RevTeX4, 9 pages, 1 esp figure; article was revised, some misprints were corrected, 6 references added; accepted for publication in Int.J.Mod.Phys.D

References in corpus (6)

• Evidence for muon neutrino oscillation in an accelerator-based experiment
• Semiclassical limit for Dirac particles interacting with a gravitational field
• Electron Antineutrino Search at the Sudbury Neutrino Observatory
• Neutrino asymmetry around black holes: Neutrinos interact with gravity
• Helicity Precession of Spin-1/2 Particles in Weak Inertial and Gravitational Fields
• Space-time curvature coupling of spinors in early universe: Neutrino asymmetry and a possible source of baryogenesis

Cited by in corpus (45)

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• Aspects of Neutrino Oscillation in Alternative Gravity Theories
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• Neutrino spin oscillations in external fields in curved spacetime
• General relativity effects in precision spin experimental tests of fundamental symmetries
• Spin effects in neutrino gravitational scattering
• Probing nonlinear electrodynamics in slowly rotating spacetimes through neutrino astrophysics
• Gravitational waves and neutrino oscillations in Chern-Simons axion gravity
• Effects of modified theories of gravity on neutrino pair annihilation energy deposition near neutron stars
• Neutrino spin oscillations in gravitational fields in non-commutative Spaces
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• Astrophysical neutrino oscillations after pulsar timing array analyses
• Neutrino flavor oscillations in stochastic gravitational waves
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• Neutrino spin oscillations in conformally gravity coupling models and quintessence surrounding a black hole
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• Neutrino scattering off a black hole surrounded by a magnetized accretion disk
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• Evolution of Primordial Neutrino Helicities in Cosmic Gravitational Inhomogeneities
• Evolution of Primordial Neutrino Helicities in Astrophysical Magnetic Fields and Implications for their Detection
• Flavor ratios of astrophysical neutrinos interacting with stochastic gravitational waves having arbitrary spectra
• Neutrino spin oscillations in gravitational fields
• Gravitational scattering of spinning neutrinos by a rotating black hole with a slim magnetized accretion disk
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• Neutrino spin oscillations in a magnetized Polish doughnut
• Spin precession and neutrino helicity flip in various spacetimes
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• Spin oscillations in neutrino gravitational scattering
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• Neutrino spin oscillations near a black hole
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• Neutrino spin oscillations in gravitational fields in noncommutative higher dimensions
• Neutrino spin oscillations in curved space-time under the influence of external fields