Search Results - "Vagov, A."

Emission-Frequency Separated High Quality Single-Photon Sources Enabled by Phonons by Cosacchi, M, Ungar, F, Cygorek, M, Vagov, A, Axt, V M

“…We demonstrate theoretically that the single-photon purity of photons emitted from a quantum dot exciton prepared by phonon-assisted off-resonant excitation…”
Get full text

Tracing Vortex Clustering in a Superconductor by the Magnetic Flux Distribution by Vagov, A., Nikonov, E.G.

“…By investigating spatial configurations of the intermediate mixed state in an intertype superconductor, it is shown that vortex clustering can be characterized…”
Get full text

Phonon-Induced Enhancement of Photon Entanglement in Quantum Dot-Cavity Systems by Seidelmann, T., Ungar, F., Barth, A. M., Vagov, A., Axt, V. M., Cygorek, M., Kuhn, T.

“…We report on simulations of the degree of polarization entanglement of photon pairs simultaneously emitted from a quantum dot-cavity system that demand…”
Get full text

Accuracy of the Quantum Regression Theorem for Photon Emission from a Quantum Dot by Cosacchi, M, Seidelmann, T, Cygorek, M, Vagov, A, Reiter, D E, Axt, V M

“…The quantum regression theorem (QRT) is the most widely used tool for calculating multitime correlation functions for the assessment of quantum emitters. It is…”
Get full text

Superanomalous skin-effect and enhanced absorption of light scattered on conductive media by Vagov, A., Larkin, I. A., Croitoru, M. D., Axt, V. M.

“…Light scattering spectroscopy is a powerful tool for studying various media, but interpretation of its results requires a detailed knowledge of how media…”
Get full text

Erratum: Accuracy of the Quantum Regression Theorem for Photon Emission from a Quantum Dot [Phys. Rev. Lett. 127, 100402 (2021)] by Cosacchi, M, Seidelmann, T, Cygorek, M, Vagov, A, Reiter, D E, Axt, V M

“…This corrects the article DOI: 10.1103/PhysRevLett.127.100402…”
Get full text

Multiband Material with a Quasi-1D Band as a Robust High-Temperature Superconductor by Saraiva, T. T., Cavalcanti, P. J. F., Vagov, A., Vasenko, A. S., Perali, A., Dell’Anna, L., Shanenko, A. A.

“…It is well known that superconductivity in quasi-one-dimensional (Q1D) materials is hindered by large fluctuations of the order parameter. They reduce the…”
Get full text

Two-Photon Excitation Sets Limit to Entangled Photon Pair Generation from Quantum Emitters by Seidelmann, T, Schimpf, C, Bracht, T K, Cosacchi, M, Vagov, A, Rastelli, A, Reiter, D E, Axt, V M

“…Entangled photon pairs are key to many novel applications in quantum technologies. Semiconductor quantum dots can be used as sources of on-demand, highly…”
Get full text

Extended Ginzburg-Landau formalism for two-band superconductors by Shanenko, A A, Milošević, M V, Peeters, F M, Vagov, A V

“…Recent observation of unusual vortex patterns in MgB(2) single crystals raised speculations about possible "type-1.5" superconductivity in two-band materials,…”
Get full text

Nonmonotonic field dependence of damping and reappearance of Rabi oscillations in quantum dots by Vagov, A, Croitoru, M D, Axt, V M, Kuhn, T, Peeters, F M

“…The dynamics of strongly confined laser driven semiconductor quantum dots coupled to phonons is studied theoretically by calculating the time evolution of the…”
Get full text

Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Brief Review) by Krasavin, A. V., Vagov, A. V., Vasenko, A. S., Stolyarov, V. S., Shanenko, A. A.

“…The combination of strongly coupled Cooper pairs and weak superconducting fluctuations is an important prerequisite for achieving high-temperature…”
Get full text

Erratum to: Suppression of Superconducting Fluctuations in Multiband Superconductors as a Mechanism for Increasing the Critical Temperature (Mini-Review) by Krasavin, A. V., Vagov, A. V., Vasenko, A. S., Stolyarov, V. S., Shanenko, A. A.

“…An Erratum to this paper has been published: https://doi.org/10.1134/S0021364024020012…”
Get full text

Vortex Interactions and Clustering in Thin Superconductors by Córdoba-Camacho, W. Y, Vagov, A, Shanenko, A. A, Aguiar, J. Albino, Vasenko, A. S, Stolyarov, V. S

“…Cluster formation is a focus of interdisciplinary research in both chemistry and physics. Here we discuss the exotic example of this phenomenon in the vortex…”
Get full text

Universal flux patterns and their interchange in superconductors between types I and II by Vagov, A., Wolf, S., Croitoru, M. D., Shanenko, A. A.

“…Experiments with the crossover superconductors between standard types I and II revealed exotic magnetic flux patterns where Meissner domains coexist with…”
Get full text

Resonant tunneling and localized states in a graphene monolayer with a mass gap by Zalipaev, V., Linton, C. M., Croitoru, M. D., Vagov, A.

“…We study tunneling of quasiparticles through potential barriers in a graphene monolayer with the mass gap using a semiclassical (WKB) approach. The main…”
Get full text

Superanomalous Skin Effect for Surface Plasmon Polaritons by Larkin, I A, Keil, K, Vagov, A, Croitoru, M D, Axt, V M

“…It is commonly assumed that surface plasmon-polariton (SPP) excitations on a metal-dielectric interface decay exponentially inside the metallic sample. Here,…”
Get full text

Competition between pure dephasing and photon losses in the dynamics of a dot-cavity system by Vagov, A., Glässl, M., Croitoru, M. D., Axt, V. M., Kuhn, T.

“…We demonstrate that in quantum-dot cavity systems, the interplay between acoustic phonons and photon losses introduces novel features and characteristic…”
Get full text

Ultrafast terahertz-field-induced dynamics of superconducting bulk and quasi-1D samples by Zachmann, M, Croitoru, M D, Vagov, A, Axt, V M, Papenkort, T, Kuhn, T

“…Within a density-matrix formalism based on the Bardeen-Cooper-Schrieffer (BCS) model and the Bogoliubov-de Gennes equations we provide a description of the…”
Get full text

Extended Ginzburg-Landau formalism: Systematic expansion in small deviation from the critical temperature by Vagov, A. V., Shanenko, A. A., Milošević, M. V., Axt, V. M., Peeters, F. M.

“…Based on the Gor'kov formalism for a clean s-wave superconductor, we develop an extended version of the single-band Ginzburg-Landau (GL) theory by means of a…”
Get full text

On-demand generation of higher-order Fock states in quantum-dot–cavity systems by Cosacchi, M., Wiercinski, J., Seidelmann, T., Cygorek, M., Vagov, A., Reiter, D. E., Axt, V. M.

“…The on-demand preparation of higher-order Fock states is of fundamental importance in quantum information sciences. We propose and compare different protocols…”
Get full text