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pro vyhledávání: '"Mukhin, A I"'
Autor:
Seleznev, D. V., Seidov, S. S., Pugach, N. G., Bezymiannykh, D. G., Mukhin, S. I., Lvov, B. G.
We consider a spin valve composed of a superconducting film (S) between two ferromagnetic insulators (FI) on two sides. In the dirty limit the superconductor is described by Usadel equations. Appropriate boundary conditions were chosen for two S-FI i
Externí odkaz:
http://arxiv.org/abs/2410.08761
Autor:
Seidov, S. S., Mukhin, S. I.
Quantum batteries, which are quantum systems to be used for storage and transformation of energy, are attracting research interest recently. A promising candidate for their investigation is the Dicke model, which describes an ensemble of two--level s
Externí odkaz:
http://arxiv.org/abs/2309.12433
Analytic solution of semiclassical dynamics equations of the Dicke model in a superradiant state is presented. The time dependences of the amplitudes of superradiant bosonic condensate and coherent two-level atomic array in the microwave cavity prove
Externí odkaz:
http://arxiv.org/abs/2309.12446
Autor:
Mukhin, Sergei I.
Proposed by the author Q-ball mechanism of the pseudogap state and high-Tc superconductivity in cuprates was recently supported by micro X-ray diffraction data in HgBa$_2$CuO$_{4+y}$. This provides a remarkable opportunity to investigate X-ray diffra
Externí odkaz:
http://arxiv.org/abs/2304.10874
Autor:
Mukhin, Sergei I.
The origin of the pseudogap (PG) phase and superconducting behaviors in high-Tc superconductors is proposed, based on the picture of Euclidean Q-balls formation, that carry Cooper/local-pair condensates inside their volumes. Unlike the baryonic Q-bal
Externí odkaz:
http://arxiv.org/abs/2108.10372
Analytic expression is found for the frequency dependence of transmission coefficient of a transmission line inductively coupled to the microwave cavity with superradiant condensate. Sharp transmission drops reflect condensate's frequencies spectrum.
Externí odkaz:
http://arxiv.org/abs/2103.12061
Autor:
Matveenko, S. I., Mukhin, S. I.
In the t-U-V Hubbard model on the square lattice we found self-consistent analytic solution for the ground state with coexisting d-wave symmetric bond ordered pair density wave (PDW) and spin (SDW) or charge (CDW) density waves, as observed in some h
Externí odkaz:
http://arxiv.org/abs/2102.00144
Autor:
Seidov, S. S., Mukhin, S. I.
We study the emergence of a parity breaking coherent photonic state of a photon mode coupled to finite array of two-level systems, represented by pseudospins 1/2. The pseudospin-photon interaction is realised via a shift of the photonic oscillator eq
Externí odkaz:
http://arxiv.org/abs/2004.13772
Publikováno v:
Phys. Rev. B 100, 081103 (2019)
We found that thermodynamic quantum time crystals in fermi systems, defined as quantum orders oscillating periodically in the imaginary Matsubara time with zero mean, are metastable for two general classes of solutions. Mean-field time independent so
Externí odkaz:
http://arxiv.org/abs/1904.06674
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