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pro vyhledávání: '"Efremov, A V"'
Bound states and scattering resonances in the unoccupied continuum of a two-dimensional crystal predicted in [Phys$.$Rev$.$ B 87, 041405(R) (2013)] are considered within an exactly solvable model. A close connection of the observed resonances with th
Externí odkaz:
http://arxiv.org/abs/2412.18561
Autor:
Behnami, M., Gillig, M., Moghaddam, A. G., Efremov, D. V., Shipunov, G., Piening, B. R., Morozov, I. V., Aswartham, S., Dufouleur, J., Ochkan, K., Zemen, J., Kocsis, V., Hess, C., Putti, M., Büchner, B., Caglieris, F., Reichlova, H.
Layered van der Waals tellurides reveal topologically non-trivial properties that give rise to unconventional magneto-transport phenomena. Additionally, their semimetallic character with high mobility makes them promising candidates for large magneto
Externí odkaz:
http://arxiv.org/abs/2411.19660
In this study, we analyze the dielectric function of high-Tc cuprates as a function of doping level, taking into account the full energy band dispersion within the CuO$_2$ monolayer. In addition to the conventional two-dimensional (2D) gapless plasmo
Externí odkaz:
http://arxiv.org/abs/2411.12836
We investigate Lorentz invariance breaking in quantum wires due to Rashba spin-orbit interaction and transverse phonons. Using bosonization, we derive an effective action coupling electronic and mechanical degrees of freedom. Stikingly, at a quantum
Externí odkaz:
http://arxiv.org/abs/2407.08613
Autor:
Bashlakov, D. L., Kvitnitskaya, O. E., Aswartham, S., Shipunov, G., Harnagea, L., Efremov, D. V., Büchner, B., Naidyuk, Yu. G.
VS2 and VSe2 have attracted particular attention among the transition metals dichalcogenides because of their promising physical properties concerning magnetic ordering, charge density wave (CDW), emergent superconductivity, etc., which are very sens
Externí odkaz:
http://arxiv.org/abs/2404.08269
Publikováno v:
J. Phys. Chem. Lett. 2023, 14, 8060-8068
Despite decades of intensive experimental and theoretical efforts, the physics of cuprate high-temperature superconductors in general, and, in particular, their normal state, is still under debate. Here, we report our investigation of low-energy char
Externí odkaz:
http://arxiv.org/abs/2304.07224
Autor:
Bashlakov, D. L., Kvitnitskaya, O. E., Aswartham, S., Shemerliuk, Y., Berger, H., Efremov, D. V., Büchner, B., Naidyuk, Yu. G.
Publikováno v:
Low Temp. Phys. 49, 834 (2023)
TiSe2 has received much attention among the transition metals chalcogenides because of its thrilling physical properties concerning atypical resistivity behavior, emerging of charge density wave (CDW) state, induced superconductivity etc. Here, we re
Externí odkaz:
http://arxiv.org/abs/2302.13085
Autor:
Shemerliuk, Y., Kuibarov, A., Feia, O., Behnami, M., Reichlova, H., Suvorov, O., Selter, S., Efremov, D. V., Borisenko, S., Büchner, B., Aswartham, S.
Layered semimetallic van der Waals materials TiSe2 has attracted a lot of attention because of interplay of a charge density wave (CDW) state and superconductivity. Its sister compound TiS2, being isovalent to TiSe2 and having the same crystal struct
Externí odkaz:
http://arxiv.org/abs/2210.12799
Akademický článek
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Autor:
Efremov, D. V., Kiselev, M. N.
Publikováno v:
SciPost Phys. Lect. Notes 65 (2022)
We present a comprehensive pedagogical discussion of a family of models describing the propagation of a single particle in a multicomponent non-Markovian Gaussian random field. We report some exact results for single-particle Green's functions, self-
Externí odkaz:
http://arxiv.org/abs/2206.06609