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- Russian Academy of SciencesRU161 papers
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26 papers · 1 filter
Dispersion of acoustic excitations in tetrahedral liquids
Yu. D. Fomin
Investigation of the longitudinal and transverse excitations in liquids is of great importance for understanding the fundamentals of the liquid state of matter. One of the importan…
Magnetic spiral order in the square-lattice spin system (CuBr)SrNbO
A. V. Mikheyenkov, V. E. Valiulin, A. F. Barabanov
We address quantum spin helical states in the strongly frustrated Heisenberg model. Contrary to conventional Dzyaloshinskii-Moriya approach we show that such states appear without…
Minimal quantum viscosity from fundamental physical constants
K. Trachenko, V. V. Brazhkin
Viscosity of fluids is strongly system-dependent, varies across many orders of magnitude and depends on molecular interactions and structure in a complex way not amenable to first-…
Onset of a skyrmion phase by chemical substitution in MnGe chiral magnet
E. Altynbaev, N. Martin, A. Heinemann +4
We study the evolution of the magnetic phase diagram of MnFeGe alloys with concentration () by small-angle neutron scattering. We unambiguously…
Mechanism of Universal Conductance Fluctuations
V. V. Brazhkin, I. M. Suslov
Universal conductance fluctuations are usually observed in the form of aperiodic oscillations in the magnetoresistance of thin wires as a function of the magnetic field B. If such…
To understanding of slow and non-monotonic relaxation in Al--Y eutectic melts
Mikhail G. Vasin, Vladimir G. Lebedev
We discuss the nature of the slow relaxation processes in glass-forming eutectic melts right after melting. For specific, we focus on the binary metallic melt Al--Y, which in addit…