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Language : bengali Language : cherokee Language : german Language : gujarati Language : kabardian Language : russian Language : slavic languages Language : sorbian languages Language : ukrainian Publisher : peter the great st.petersburg polytechnic university

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Academic Journal

Derivation of the Klein – Gordon – Fock equation from first principles

Authors : Lipovka Anton; Andrianarijaona Vola; Davis Colton

Subjects: klein – gordon – fock equation; schrödinger equation; sturm – liouville problem

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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Academic Journal

The formation of single-domain gallium phosphide buffer layers on a silicon substrate without the use of migration enhanced epitaxy technique

Authors : Fedorov Vladimir; Fedina Sergey; Kaveev Andrey

Subjects: heterostructure; molecular beam epitaxy; buffer layer

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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Academic Journal

Transformation of the structure of thin metal films upon activation of their ability to low-voltage electron emission

Authors : Bizyaev Ivan; Karaseov Platon; Karabeshkin Konstantin

Subjects: thin films; low-field electron emission; film dewetting

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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Academic Journal

Formulation of the Lorentz transformation equations in the three dimensions of space

Authors : Khadka Chandra

Subjects: frame of reference; lorentz transformation; space contraction

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 2 (2024)

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Academic Journal

Oscillations under a nonlinear parametric action and combinations of delays

Authors : Alifov Alishir

Subjects: oscillation; model; nonlinearity

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 1 (2024)

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Academic Journal

The scaling of misorientation angle distribution at strain-induced boundaries in copper deformed by tension under various conditions

Authors : Zolotorevsky Nikolay; Rybin Valery; Ushanova Elina

Subjects: polycrystalline copper; plastic deformation; recrystallization

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 1 (2024)

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Academic Journal

Numerical simulation of operating modes of heterostructural photodiodes based on indium arsenide nanowires on the silicon substrates

Authors : Dvoretckaia Liliya; Mozharov Alexey; Goltaev Aleksandr

Subjects: indium arsenide; nanowire; heterostructure

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 1 (2024)

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Academic Journal

The electron and proton irradiation effects on the properties of high-voltage 4H-SiC Schottky diodes within the operating temperature range

Authors : Kozlovski Vitali; Lebedev Alexander; Kuzmin Roman

Subjects: silicon carbide; schottky diode; irradiation

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 1 (2024)

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Academic Journal

Current and speed characteristics of electron flows formed by the electron-optical system with a multi-tip field emitter

Authors : Taradaev Evgeny; Sominskii Gennadii; Taradaev Sergei

Subjects: field emission; multi-tip field emitter; electron flow

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 1 (2024)

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Academic Journal

An analysis of the Asgardarchaea Cas1_3 protein: Experimental characterization of a potential intermediate in the evolution of CRISPR-Cas systems

Authors : Abramova Marina; Malygh Anastasia; Gatieva Yana

Subjects: characterization; crispr-cas; evolution intermediate form

Source: St. Petersburg Polytechnical University Journal: Physics and Mathematics, Vol 17, Iss 1 (2024)

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