neutrino decay,
energy cutoff,
vector leptoquark,
phantom,
tachyon,
metric perturbations.
Subject:
Quantum field theory in active astrophysical media.
Cosmology.
Main publications:
A.V. Kuznetsov, N.V. Mikheev, A.V. Serghienko, “High energy neutrino absorption by W production in a strong magnetic field”, Physics Letters B, 690 (2010), 386–389
A. V. Serghienko, V. A. Rubakov, “Phantom dark energy with tachyonic instability: Metric perturbations”, TMF, 173:3 (2012), 441–452; Theoret. and Math. Phys., 173:3 (2012), 1709–1719
A. V. Serghienko, A. N. Penin, “Absolute gauging of analog photodetectors using the biphoton field”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 12:13 (1986), 795–798