Výsledky vyhledávání - "Ivan Sadovskyy"

H-theorem and Maxwell Demon in Quantum Physics

Autor: Gordey B. Lesovik, N. S. Kirsanov, M. V. Suslov, Ivan Sadovskyy, A. V. Lebedev, V. M. Vinokur, Gianni Blatter

The Second Law of Thermodynamics states that temporal evolution of an isolated system occurs with non-diminishing entropy. In quantum realm, this holds for energy-isolated systems the evolution of which is described by the so-called unital quantum ch

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Reduction of the scattering matrix array

Autor: Ivan Sadovskyy

Publikováno v: Physics-Uspekhi. 58:872-876

The scattering matrix approach is widely applied in wave engineering and quantum physics. Usually, a combination of multiple scattering matrices is used. In this article, we consider arbitrary arrays of interconnected scattering matrices and present

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https://doi.org/10.3367/ufne.0185.201509c.0941

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Simulation of the Vortex Dynamics in a Real Pinning Landscape ofYBa2Cu3O7−δCoated Conductors

Autor: Volkan Ortalan, Alexei Koshelev, Andreas Glatz, Maxime Leroux, Martin W. Rupich, Ivan Sadovskyy

Publikováno v: Physical Review Applied. 5

The ability of high-temperature superconductors (HTSs) to carry very large currents with almost no dissipation makes them irreplaceable for high-power applications. The development and further improvement of HTS-based cables require an in-depth under

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https://doi.org/10.1103/physrevapplied.5.014011

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Scattering matrix approach to the description of quantum electron transport

Autor: Ivan Sadovskyy, Gordey B. Lesovik

Publikováno v: Physics-Uspekhi. 54:1007-1059

We consider the scattering matrix approach to quantum electron transport in meso- and nano-conductors. This approach is an alternative to the more conventional kinetic equation and Green's function approaches, and often is more efficient for coherent

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https://doi.org/10.3367/ufne.0181.201110b.1041

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Charge States in Andreev Quantum Dots

Autor: Ivan Sadovskyy, Gordey B. Lesovik, Valerii M. Vinokur

Publikováno v: Quantum Dots-Theory and Applications

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb1402b829692365c86dbf767d4563ee
https://doi.org/10.5772/60482

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Unitary limit in crossed Andreev transport

Autor: Gordey B. Lesovik, Ivan Sadovskyy, Valerii M. Vinokur

One of the most promising approaches of generating spin- and energy-entangled electron pairs is splitting a Cooper pair into the metal through spatially separated terminals. Utilizing hybrid systems with the energy-dependent barriers at the supercond

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http://arxiv.org/abs/1412.8145

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H-theorem in quantum physics

Autor: Valerii M. Vinokur, A. V. Lebedev, Ivan Sadovskyy, Gordey B. Lesovik, M. V. Suslov

Publikováno v: Scientific Reports
Scientific Reports, 6
Scientific reports

Remarkable progress of quantum information theory (QIT) allowed to formulate mathematical theorems for conditions that data-transmitting or data-processing occurs with a non-negative entropy gain. However, relation of these results formulated in term

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Quantum superinductor with tunable nonlinearity

Autor: Michael Gershenson, Ivan Sadovskyy, Matthew Bell, A. Yu. Kitaev, Lev Ioffe

Publikováno v: Physical review letters. 109(13)

We report on the realization of a superinductor, a dissipationless element whose microwave impedance greatly exceeds the resistance quantum. The design of the superinductor, implemented as a ladder of nanoscale Josephson junctions, enables tuning of

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https://pubmed.ncbi.nlm.nih.gov/23030113

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Andreev quantum dot with several conducting channels

Autor: Thomas Martin, Ivan Sadovskyy, Gordey B. Lesovik, Thibaut Jonckheere, Gianni Blatter

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2012, 85, pp.125442. ⟨10.1103/PhysRevB.85.125442⟩
Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2012, 85, pp.125442. ⟨10.1103/PhysRevB.85.125442⟩
Physical Review B

We study an Andreev quantum dot, that is a quantum dot inserted in a superconducting ring, with several levels or conducting channels. We analyze the degeneracy of the ground state as a function of the phase difference and of the gate voltage and fin

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https://hal.archives-ouvertes.fr/hal-00735449

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