M. V. Platonova

Collège de France

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K. S. Ryadovkin

St Petersburg University

A. Turlapov

Institute of Applied Physics

V. A. Vinogradov

Institute of Linguistics

S. V. Tsykin

St Petersburg University

I. V. Yukhnovets

Russian Quantum Center

Elena Perlova

Peter the Great St. Petersburg Polytechnic University

N.S. Ismagilov

Gazprom (Russia)

A. K. Nikolaev

St Petersburg University

Mikhail Lifshits

St Petersburg University

Xeniya Mikhailovna Rakova

Peter the Great St. Petersburg Polytechnic University

Cooperative Institutions

St Petersburg University

Peter the Great St. Petersburg Polytechnic University

Russian Academy of Sciences

Russian Quantum Center

Institute of Applied Physics

Collège de France

Réseau sur le Stockage Electrochimique de l'énergie

Centre National de la Recherche Scientifique

Sorbonne Université

Steklov Mathematical Institute

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Search for Fulde–Ferrell–Larkin–Ovchinnikov Superfluidity in an Ultracold Gas of Fermi Atoms

Journal of Surface Investigation X-ray Synchrotron and Neutron Techniques (2021)

V. A. Vinogradov K.A. Karpov S.S. Lukashov M. V. Platonova A. Turlapov

Trap (plumbing)

Ultracold atom

Fermi energy

10.1134/s1027451021050426

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Citations (0)

A Probabilistic Approximation of the Cauchy Problem Solution for the Schrödinger Equation with a Fractional Derivative Operator

Journal of Mathematical Sciences (2020)

M. V. Platonova S. V. Tsykin

Operator (biology)

Derivative (finance)

10.1007/s10958-020-04659-7

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Citations (4)

Probabilistic Approximation of the Evolution Operatore–itHwhere$$H = \tfrac{{{{{( - 1)}}^{m}}}}{{(2m)!}}\tfrac{{{{d}^{{2m}}}}}{{d{{x}^{{2m}}}}}$$

Doklady Mathematics (2020)

M. V. Platonova S. V. Tcykin

Operator (biology)

10.1134/s1064562420020192

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Extending Si/C Anode Longevity through the Electrode Structure and Composition Design for All-Solid-State Batteries

ACS Applied Materials & Interfaces (2025)

Wei He Hong Ji M. V. Platonova Ronan Chometon Romain Dugas

Numerous volume changes and sluggish kinetics causing irreversible Li-trapping and, consequently, a dramatic capacity decline during cycling are the main challenges facing Si-based anodes in all-solid-state batteries (ASSBs). The incorporation of carbon and Si significantly combats volume change and enhances electronic transport but cannot eliminate Li-trapping. Herein, we partially solve this issue by adding Li3.75Si alloy into a Si/C composite as a Li reservoir by making either a bilayer electrode or a blended electrode. We demonstrate that the bilayer electrode has superior cycling performance but suffers from soft shorting problems at high current density. This contrasts with the blended electrode, which exhibits a three-fold higher electrode critical current density (CCD), as captured from a self-designed three-electrode cell, but with limited cycling performance. In addition, we present the positive effect of adding a solid electrolyte (SE) to the blended electrode and show that ASSBs having Ni-rich cathodes and SE-containing blended negative electrode can achieve 500 stable cycles at 0.8 mA/cm2 and 183 cycles at 3 mA/cm2 due to the enhanced ionic/electronic percolations. Altogether, these results provide further insights into achieving long-lifespan, high-rate, and dendrite-free Si-based ASSBs through regulation of the electrode structure and composition.

10.1021/acsami.4c20366

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IT Education in St. Petersburg State University

Lecture notes in computer science (2020)

Terekhov Andrey M. V. Platonova

Saint petersburg

10.1007/978-3-030-57663-9_8

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Post Occupancy Evaluation (POE) and Energy Conservation Opportunities (ECOs) Study for Three Facilities in SPbPU in Saint Petersburg

Procedia Engineering (2016)

Ksenia Strelets Elena Perlova M. V. Platonova Alexandra Pánková Marcelo de Andrade Roméro

This study is designed to evaluate possible energy saving opportunities available for Universities Campuses. As an example three vital facilities in Peter the Great Polytechnic University, St. Petersburg, Russia were taken: the sport hall, the main canteen and one of the main dormitories. In this paper, we use the method of post-occupancy evaluation and regard the building environmental performance as the core of the evaluation system. The study implements multiple data collection methods, including a walk-through inspection to identify the extent of deficiencies found in the three facilities and a questionnaire survey to quantify users' perception and level of satisfaction with the quality of the built environment. The findings obtained were analyzed and reported to indicate the main failures and successes of the facilities' performance, and describe the degree of users' satisfaction. It is of practical value to planning, design professionals, building services' engineers and facilities managers responsible for the design and operation of these facilities.

Post-occupancy evaluation

Saint petersburg

Occupancy

Facility management

Questionnaire

10.1016/j.proeng.2016.11.895

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Citations (19)

Prospects for anisotropic superfluidity in a Fermi gas of dysprosium

Quantum Electronics (2022)

V. A. Vinogradov K.A. Karpov M. V. Platonova A. Turlapov

Abstract The possibility of obtaining superfluid phases for a Fermi gas of dysprosium with a magnetic dipole – dipole interaction is discussed. The obstacles and possible solutions are shown. The required phases are similar to the A1 phase and the polar β phase in 3 He. It is expected that in dysprosium, the macroscopic properties of the phase will be determined by the symmetry of the pair interactions. It is assumed to observe the kinetics of phase formation and spontaneous choice between two energy-degenerate phases with different projections of the orbital angular momentum.

Dysprosium

10.1070/qel18065

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On the Mean Number of Particles of a Branching Random Walk on ℤ d with Periodic Sources of Branching

Doklady Mathematics (2018)

M. V. Platonova K. S. Ryadovkin

Branching (polymer chemistry)

Branching random walk

Operator (biology)

Branching process

10.1134/s1064562418020102

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Citations (9)

A Probabilistic Representation of Solution to the Cauchy Problem for Evolution Equation with Differential Operator of Order Greater Than 2

Journal of Mathematical Sciences (2018)

M. V. Platonova

Operator (biology)

Partial derivative

Representation

10.1007/s10958-018-3714-3

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Citations (2)

Probabilistic Representation of a Solution of the Cauchy Problem for Evolution Equations with Riemann--Liouville Operators

Theory of Probability and Its Applications (2017)

M. V. Platonova

This paper studies properties of probabilistic approximation of a solution of the Cauchy problem for evolution equations with fractional differential operators of order more than two. To this end we construct analogous one-sided $\alpha$-stable distributions for noninteger $\alpha>2$. Although densities of these distributions are signed functions, using generalized functions methods, it is possible to give them an exact probability sense.

10.1137/s0040585x97t988241

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Citations (3)