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On the Anomalous Electroweak Baryon Number Nonconservation in the Early Universe
Abstract We estimate the rate of the anomalous electroweak baryon-number non-conserving processes in the cosmic plasma and find that it exceeds the expansion rate of the universe at T > (a few) × 102
Baryogenesis via neutrino oscillations
We propose a new mechanism of leptogenesis in which the asymmetries in lepton numbers are produced through the $\mathrm{CP}$-violating oscillations of ``sterile'' (electroweak singlet) neutrinos. The
Electroweak baryon number non-conservation in the early Universe and in high-energy collisions
We review recent progress in the study of the anomalous baryon number non-conservation at high temperatures and in high energy collisions. Recent results on high temperature phase transitions are
Extra space-time dimensions: Towards a solution to the cosmological constant problem
Abstract We discuss the possibility that the cosmological constant problem is solved by raising the number of spatial dimensions a la Kaluza-Klein. In (4+2)-dimensional pure gravity theory with the
Infrared-modified gravities and massive gravitons
We review some theoretical and phenomenological aspects of massive gravities in 4 dimensions. We start from the Fierz–Pauli theory with Lorentz-invariant mass terms and then proceed to
Lorentz-violating graviton masses: getting around ghosts, low strong coupling scale and VDVZ discontinuity
A theory with the action combining the Einstein--Hilbert term and graviton mass terms violating Lorentz invariance is considered at linearized level about Minkowskian background. It is shown that
Brane world: Disappearing massive matter
In a brane (domain wall) scenario with an infinite extra dimension and localized gravity, bulk fermions and scalars often have bound states with zero 4-dimensional mass. In this way massless matter
On chiral magnetic effect and holography
We point out that there is a difference between the behavior of fermionic systems (and their holographic analogs) in a background axial vector field, on the one hand, and at finite chiral chemical