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St. Petersburg Polytechnical University Journal: Physics and Mathematics

Subjects: condensed matter physics; atom physics; optics

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Jacques Hadamard (1865–1963) — is the legend of mathematics and of absent-mindedness

• Authors : Trubetskov, Dmitriy Ivanovich

Subjects: jacques hadamard; Physics; QC1-999

• Source: Известия высших учебных заведений: Прикладная нелинейная динамика, Vol 30, Iss 4, Pp 387-390 (2022)

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Вісник Київського національного університету імені Тараса Шевченка. Серія Фізико-математичні науки

Subjects: mathematics; applied mathematics; computer science

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An experimental apparatus for studying the characteristics of thermoelectric effect in nanostructures

• Authors : Trofimovich Karina; Gabdullin Pavel; Arkhipov Alexander

Subjects: thermoelectric effect; point contact; nanostructures

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 4 (2023)

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Peculiarities of structure damage accumulation under the implantation of ions of different masses into alpha-gallium oxide at low damage levels

• Authors : Klevtsov Anton; Karaseov Platon; Karabeshkin Konstantin

Subjects: gallium oxide; ion implantation; radiation defect

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 4 (2023)

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The Fourier analysis in inhomogeneous media

• Authors : Gnevyshev Vladimir; Belonenko Tatyana

Subjects: fourier analysis; laplace transform; cauchy problem

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 4 (2023)

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Current – voltage characteristics of MaPbI3 perovskite films formed by the single-stage spin-coat method

• Authors : Ovezov Maksat; Ryabko Andrey; Aleshin Andrey

Subjects: organometallic perovskite; semiconducting polymer; transport mechanism

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 4 (2023)

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Enhancement of the 4-mm wavelength gyrotron efficiency by multistage energy recovery

• Authors : Louksha Oleg; Trofimov Pavel; Malkin Alexander

Subjects: microwave electronics; gyrotron; helical electron beam

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 4 (2023)

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A comparison of two approaches to the global stability analysis using the example of the cylinder flow problem

• Authors : Golubkov Valentin; Garbaruk Andrey

Subjects: global stability analysis; navier–stokes equations; jacobian

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 4 (2023)

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Comparison of approaches to accounting for imperfect contacts when determining the effective permeability of material

• Authors : Frolova Ksenia; Vilchevskaya Elena

Subjects: effective properties; imperfect contact; equivalent inhomogeneity

• Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 16, Iss 4 (2023)

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