435 citations
- Physico-Technical InstituteRU35 papers
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31 papers · 1 filter
Dynamical Toroidal Hopfions in a Ferromagnet with Easy-Axis Anisotropy
A. B. Borisov, F. N. Rybakov
Three-dimensional toroidal precession solitons with a nonzero Hopf index, which uniformly move along the anisotropy axis in a uniaxial ferromagnet, have been found. The structure a…
Quasi-Controllability and Estimates of Amplitudes of Transient Regimes in Discrete Systems
V. Kozyakin, N. Kuznetsov, A. Pokrovskii
Families of regimes for discrete control systems are studied possessing a special quasi-controllability property that is similar to the Kalman controllability property. A new appro…
Pohlmeyer-reduced form of string theory in AdS_5 x S^5: semiclassical expansion
B. Hoare, Y. Iwashita, A. A. Tseytlin
We consider the Pohlmeyer-reduced formulation of the AdS_5 x S^5 superstring. It is constructed by introducing new variables which are algebraically related to supercoset current c…
Structural tunability in metamaterials
Mikhail Lapine, David Powell, Maxim Gorkunov +3
We propose a novel approach for efficient tuning of the transmission characteristics of metamaterials through a continuous adjustment of the lattice structure, and confirm it exper…
Anomalous mass dependence of radiative quark energy loss in a finite-size quark-gluon plasma
P. Aurenche, B. G. Zakharov
We demonstrate that for a finite-size quark-gluon plasma the induced gluon radiation from heavy quarks is stronger than that for light quarks when the gluon formation length become…
Superposition of flux-qubit states and the law of angular momentum conservation
A. V. Nikulov
It is shown that the assumptions on macroscopic quantum tunneling and on superposition of two macroscopically distinct quantum states of superconducting loop, considered as flux qu…