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- Joint Institute for Nuclear ResearchRU118 papers
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12 papers · 1 filter
Investigation of multiple echo signals formation mechanism in magnet at excitation by two arbitrary radio-frequency pulses
M. D. Zviadadze, G. I. Mamniashvili, R. L. Lepsveridze +1
The quantum-mechanical calculations of intensities and time moments of appearance of multiple spin echo signals of excitation of nuclear spin system of magnet by two arbitrary widt…
Primordial magnetic field limits from cosmological data
Tina Kahniashvili, Alexander G. Tevzadze, Shiv K. Sethi +2
We study limits on a primordial magnetic field arising from cosmological data, including that from big bang nucleosynthesis, cosmic microwave background polarization plane Faraday…
What is the boundary condition for radial wave function of the Schrödinger equation ?
Anzor A. Khelashvili, Teimuraz P. Nadareishvili
There is much discussion in the mathematical physics literature as well as in quantum mechanics textbooks on spherically symmetric potentials. Nevertheless, there is no consensus a…
Entanglement and teleportation via chaotic system
N. Metwally, L. Chotorlishvili, V. Skrinnikov
The dynamics of entangled state interacting with a single cavity mode is investigated in the presence of a random parameter. We have shown that degree of entanglement decays with t…
Measurement of the in-medium phi-meson width in proton-nucleus collisions
A. Polyanskiy, M. Hartmann, Yu. T. Kiselev +25
The production of phi mesons in the collisions of 2.83 GeV protons with C, Cu, Ag, and Au at forward angles has been measured via the phi -> K+K- decay using the COSY-ANKE magnetic…
Numerical simulations of the decay of primordial magnetic turbulence
Tina Kahniashvili, Axel Brandenburg, Alexander G. Tevzadze +1
We perform direct numerical simulations of forced and freely decaying 3D magnetohydrodynamic turbulence in order to model magnetic field evolution during cosmological phase transit…