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107 papers
Hubble Tension as an Effect of Horizon Entanglement Nonequilibrium
Alexander S. Sakharov, Rostislav Konoplich, Merab Gogberashvili +1
We propose an infrared mechanism for alleviating the Hubble constant tension, based on a small departure from entanglement equilibrium at the cosmological apparent horizon. If the…
Ultra High Energy Neutrino Event KM3-230213A as a Signal of Electroweak Vacuum Turbulence in Merging Black Hole Binaries
Alexander S. Sakharov, Rostislav Konoplich, Merab Gogberashvili
The recent detection of the ultra-high-energy neutrino event KM3-230213A (220 PeV) by KM3NeT telescope poses a challenge to conventional astrophysical models, particularly in…
Black Holes and Baryon Number Violation: Unveiling the Origins of Early Galaxies and the Low-Mass Gap
Merab Gogberashvili, Alexander S. Sakharov
We propose that modifications to the Higgs potential within a narrow atmospheric layer near the event horizon of an astrophysical black hole could significantly enhance the rate of…
Primordial Black Holes from Spatially Varying Cosmological Constant Induced by Field Fluctuations in Extra Dimensions
Arkady A. Popov, Sergey G. Rubin, Alexander S. Sakharov
The origin and evolution of supermassive black holes (SMBHs) in our universe have sparked controversy. In this study, we explore the hypothesis that some of these black holes may h…
What if GW190425 did not produce a black hole promptly?
David Radice, Giacomo Ricigliano, Mukul Bhattacharya +3
It is widely believed that the binary neutron star merger GW190425 produced a black hole promptly upon merger. Motivated by the potential association with the fast radio burst FRB…
Zn-doped P-type InAs Nanocrystal Quantum Dots
Lior Asor, Jing Liu, Shuting Xiang +3
Doped heavy metal-free III-V semiconductor nanocrystal quantum dots are of great interest both from the fundamental aspects of doping in highly confined structures, and from the ap…