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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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31 papers · 1 filter
Andreev-reflection spectroscopy of SrPt3P single crystals
Valeriy A. Stepanov, Nikolai D. Zhigadlo, Erik Piatti +1
The interplay between inversion symmetry breaking and superconducting pairing mechanisms is a long-standing puzzle of solid-state physics. Ternary platinum phosphide SrPtP is a…
Influence of fast and slow laser phase noise on the fidelity of the Mølmer-Sørensen trapped-ion gate
Nikita Semenin, Ksenia Khabarova, Nikolay Kolachevsky
High-fidelity two-qubit entangling gates are essential for the realization of useful quantum algorithms on quantum processors. The Mølmer-Sørensen (MS) gate has become a common cho…
Possible Sources of Iron Nuclei in Ultra-High-Energy Cosmic Rays
Anna Uryson
The origin of a cosmic ray particle with an ultra-high energy of 2.44 x 10^20 eV recorded by the Telescope Array is discussed by assuming that it is a heavy nucleus, namely an iron…
A broadband outburst of the compact steep-spectrum quasar 3C 138 in 2024-2026
T. V. Mufakharov, Yu. V. Sotnikova, V. V. Vlasyuk +20
After several decades of relative quiescence, the compact steep-spectrum quasar 3C 138 entered an active phase in 2024-2026, exhibiting strong broadband flaring. We investigate its…
Optical Properties of Iron-Selenide NaKRbFeSe Single Crystals
Andrei Muratov, Yevgeny Rakhmanov, Andrei Shilov +2
With infrared Fourier-transform spectroscopy and spectroscopic ellipsometry we investigated the in-plane reflectance of the superconducting NaKRbFe$_{1.7…
Synchrotron radiation in nonuniform magnetic field
V. S. Beskin, A. Yu. Istomin, F. A. Kniazev +1
The distortion of the spectrum of synchrotron radiation received by a distant observer due to magnetic field inhomogeneity is discussed. It is shown that for single-particle radiat…
Landau-Zener tunneling and quantum interference of Andreev states
Mikhail S. Kalenkov, Andrei D. Zaikin
With the aid of a microscopic theory we derive an effective Hamiltonian that controls quantum dynamics of Andreev states in superconducting nanojunctions out of equilibrium. Resolv…
Magnetic field and plasma number density from radio and millimeter core measurements in AGN jets
E. E. Nokhrina, A. P. Lobanov, A. Yu. Istomin +1
Understanding the mechanism for launching relativistic jets in active galactic nuclei relies upon measuring the magnetic field strength and emitting plasma number density, tracing…
A hidden ultra-relativistic spine in the jet of a neutrino-associated blazar
Y. Y. Kovalev, F. Eppel, D. C. Homan +16
Supermassive black holes launch powerful jets of plasma that can accelerate particles to extreme energies, but the physical conditions required to produce high-energy neutrinos rem…
Implementation of two-qubit Rydberg operations on neutral Rb-87 atoms in systems with different intermediate states
I. V. Iukhnovets, O. V. Bychkova, I. B. Bobrov +4
This work presents an experimental setup for implementing two-qubit operations on neutral atoms (Rb) with the possibility of using two different Rydberg excitation schemes.…
Hydrodynamic model of nonthermal emission from the Fermi bubbles
V. A. Dogiel, D. O. Chernyshov, T. S. Fatekhov +2
We suggest a model of Fermi Bubbles (FBs) in the Galactic halo of the altitude about 7-8 kpc, which is seen in non-thermal microwave and gamma-ray ranges. It was assumed that this…
Interactions of exotic neutralino dark matter with nucleons in extensions of the MSSM originating from GUTs
M. G. Belyakova, R. B. Nevzorov
To ensure anomaly cancellation the inspired extensions of the minimal supersymmetric (SUSY) standard model (MSSM) involve extra exotic matter. The lightest exotic neut…
Investigation of filamentation in a-Si/Ag/Cu memristors with atomic force microscope
Alena Samsonova, Viacheslav Dremov, Oleg Klimenko +2
Cation-based Ag/Cu filaments formed in an insulating -Si matrix are widely used as memristors in crossbar arrays for efficient in-memory computing. However, the stochastic natur…
Addressable Rydberg excitation in arrays of single neutral atoms with a strongly focused flat-top beam
I. V. Iukhnovets, M. Y. Goloshchapov, A. P. Gordeev +4
We present a method for generating a laser beam with flat intensity and phase profiles in the focal region where the beam interacts with neutral Rb atoms in an array of opti…
Revisiting the angular size-redshift cosmological test with milliarcsecond radio structures in active galactic nuclei
Mina Ghodsi Yengejeh, Tatiana A. Koryukova, Leonid I. Gurvits +5
VLBI measurements of the sizes of compact extragalactic radio sources, jetted active galactic nuclei, provide data for probing the angular size--redshift relation, offering a compl…
Fluctuation response of a minimal Kitaev chain in nonequilibrium states
Sergey Smirnov
Minimal Kitaev chains provide a unique platform to engineer Majorana states in quantum dots interacting via normal tunneling and crossed Andreev reflection specified by their ampli…
Propagation of laser-generated GHz surface acoustic wavepackets in FeRh/MgO(001) below and above the antiferromagnetic-ferromagnetic phase transition
Ia. A. Mogunov, A. Yu. Klokov, N. Yu. Frolov +6
Magnetoacoustic devices that harness the strong coupling between acoustic waves and magnons have emerged as a promising platform for energy-efficient spintronics. Laser-generated p…
Crystal structure, magnetic and resonant properties of decorated spin kagome system (CsCl)CuAsO
Ilya V. Kornyakov, Marina V. Likholetova, Irina E. Lezova +8
We report the synthesis and investigation of the crystal structure and physical properties of the averievite-like arsenate, $(\mathrm{CsCl})\mathrm{Cu}_5\mathrm{As}_2\mathrm{O}_{10…
Vertical ion transport in a surface Paul trap: escalator and elevator approaches
Alexey Russkikh, Nikita Zhadnov
Surface ion traps confining and manipulating tens of ion qubits have become the leading platform for quantum processors with high quantum volume. These devices employ the Quantum C…
Multiwavelength quasi-periodic variability of the blazar Ton 599
Yu. V. Sotnikova, T. V. Mufakharov, A. E. Volvach +34
During the last 40-50 years, the TeV blazar Ton 599 has systematically experienced major outbursts detected in a wide wavelength range from radio to -rays. In this work, we pres…
The Be nucleus and the Hoyle state in dissociation of relativistic nuclei
D. A. Artemenkov, A. A. Zaitsev, P. I. Zarubin
The possibility of recording fragmentation events of relativistic nuclei in a nuclear emulsion, discovered back in the pioneering era of cosmic ray physics, opens up the prospect o…
Unfolded hypermultiplet in harmonic superspace
Nikita Misuna
We construct an unfolded system that describes an on-shell free massless hypermultiplet and show that the standard harmonic superspace formulation of this model naturally arises fr…
Tune-out wavelength for the thulium atom near 576 nm
Ivan Pyrkh, Arjuna Rudnev, Daniil Pershin +12
We report the theoretical prediction and measurement of a tune-out wavelength for the ground state of the thulium atom in a linearly polarized optical dipole trap with a wavelength…
Heavy interstellar scattering toward the near end of the Galactic bar
A. B. Pushkarev, A. Brunthaler, Y. Y. Kovalev +8
We present results of a pilot observational wide-field VLBI campaign on probing scattering properties of the partly ionized interstellar medium towards the Galactic plane sky regio…