Pub Date : 2022-09-11DOI: 10.25205/2541-9447-2022-17-2-41-47
V. Lysenko, B. Smorodsky, A. Kosinov
A study of the effect of distributed gas with high specific heat capacity blowing into the supersonic boundary layer on its stability to artificial disturbances was conducted. It is shown that the injection of gas with high heat capacity Cp at certain flow values can lead to the stabilization of the supersonic boundary layer.
{"title":"Effect of injection of gas with high specific heat capacity on supersonic boundary-layer stability to controlled disturbances","authors":"V. Lysenko, B. Smorodsky, A. Kosinov","doi":"10.25205/2541-9447-2022-17-2-41-47","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-2-41-47","url":null,"abstract":"A study of the effect of distributed gas with high specific heat capacity blowing into the supersonic boundary layer on its stability to artificial disturbances was conducted. It is shown that the injection of gas with high heat capacity Cp at certain flow values can lead to the stabilization of the supersonic boundary layer.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"53 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72440155","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-11DOI: 10.25205/2541-9447-2022-17-2-5-15
Олег Владимирович Король, Константин Валентинович Нефедев, Виталий Юрьевич Капитан, A. Korol, Konstantin V. Nevedev, V. Kapitan
The authors describe a method for determining the critical point of a second order phase transitions using a convolutional neural network based on the Ising model on a square lattice. Data for training and analysis were obtained using Monte Carlo simulations. The neural network was trained on the data corresponding to the low-temperature phase, that is a ferromagnetic one and high-temperature phase, that is a paramagnetic one, respectively. After training, the neural network analyzed input data from the entire temperature range: from 0.1 to 5.0 (in dimensionless units J) and determined the Curie point Tc.
{"title":"Neural Network Method for Calculation of the Curie Point of the Two-Dimensional Ising Model","authors":"Олег Владимирович Король, Константин Валентинович Нефедев, Виталий Юрьевич Капитан, A. Korol, Konstantin V. Nevedev, V. Kapitan","doi":"10.25205/2541-9447-2022-17-2-5-15","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-2-5-15","url":null,"abstract":"The authors describe a method for determining the critical point of a second order phase transitions using a convolutional neural network based on the Ising model on a square lattice. Data for training and analysis were obtained using Monte Carlo simulations. The neural network was trained on the data corresponding to the low-temperature phase, that is a ferromagnetic one and high-temperature phase, that is a paramagnetic one, respectively. After training, the neural network analyzed input data from the entire temperature range: from 0.1 to 5.0 (in dimensionless units J) and determined the Curie point Tc.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"106 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72935894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-09-11DOI: 10.25205/2541-9447-2022-17-2-70-74
S. Bagayev, I. Beterov, A. Goncharov, S. Chepurov, A. Taichenachev
Chair of Quantum Electronics of Faculty of Physics of NSU educates highly-qualified researchers in modern laser physics and laser technologies, high-precision laser metrology and quantum technologies in general. The chair is based at the Institute of Laser Physics SB RAS.
{"title":"Chair of Quantum Electronics of Faculty of Physics NSU","authors":"S. Bagayev, I. Beterov, A. Goncharov, S. Chepurov, A. Taichenachev","doi":"10.25205/2541-9447-2022-17-2-70-74","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-2-70-74","url":null,"abstract":"Chair of Quantum Electronics of Faculty of Physics of NSU educates highly-qualified researchers in modern laser physics and laser technologies, high-precision laser metrology and quantum technologies in general. The chair is based at the Institute of Laser Physics SB RAS.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"13 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81692090","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-18DOI: 10.25205/2541-9447-2022-17-1-142-149
A. Shalagin, L. V. Ilichev
There presented an information on the department of Quantum optics of the Novosibirsk State University. The brief history of the Department since its foundation by the corresponding member of the Russian Academy of Sciences, Sergei G. Rautian, and main educational directions are described along with their relations to scientific research of teachers and students of the Department.
介绍了新西伯利亚国立大学量子光学系的情况。俄罗斯科学院通讯院士Sergei G. Rautian简要介绍了该系自成立以来的历史和主要的教育方向，以及这些方向与该系师生的科学研究的关系。
{"title":"Quantum Optics Department of the Physics Department at Novosibirsk State University","authors":"A. Shalagin, L. V. Ilichev","doi":"10.25205/2541-9447-2022-17-1-142-149","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-1-142-149","url":null,"abstract":"There presented an information on the department of Quantum optics of the Novosibirsk State University. The brief history of the Department since its foundation by the corresponding member of the Russian Academy of Sciences, Sergei G. Rautian, and main educational directions are described along with their relations to scientific research of teachers and students of the Department.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"42 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75581147","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-18DOI: 10.25205/2541-9447-2022-17-1-155-160
V. Telnov
The article tells about the Accelerator Physics Chair of the Physics Department of the Novosibirsk State University, based at the Budker Institute of Nuclear Physics SB RAS.
{"title":"Accelerator Physics Chair of the Physics Department at Novosibirsk State University","authors":"V. Telnov","doi":"10.25205/2541-9447-2022-17-1-155-160","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-1-155-160","url":null,"abstract":"The article tells about the Accelerator Physics Chair of the Physics Department of the Novosibirsk State University, based at the Budker Institute of Nuclear Physics SB RAS.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"38 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89195968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-18DOI: 10.25205/2541-9447-2022-17-1-104-117
V. Alperovich, Z. Kvon, A. Latyshev
The Department of Semiconductor Physics at the Faculty of Physics, Novosibirsk State University, trains specialists for research work in the field of condensed matter physics, semiconductor physics and the physics of low-dimensional systems and nanostructures. It also provides knowledge enabling its graduates to participate in developing semiconductor technologies, improving existing and creating new opto-, micro- and nanoelectronic devices. The article describes the history of the creation of the department, the main stages of the formation of training courses and work on the organization of students’ research practice in the laboratories of Rzhanov Institute of Semiconductor Physics (ISP), which is the basic Institute for the department. An overview of the training courses taught at the department for the preparation of bachelors and masters is given. It is told about the scientific and technological achievements of ISP, and about unique measuring, analytical and technological equipment available in the laboratories of the Institute, which is the basis for organizing research work of students at a high scientific and methodological level.
{"title":"Department of Semiconductor Physics of the Physics Department at Novosibirsk State University","authors":"V. Alperovich, Z. Kvon, A. Latyshev","doi":"10.25205/2541-9447-2022-17-1-104-117","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-1-104-117","url":null,"abstract":"The Department of Semiconductor Physics at the Faculty of Physics, Novosibirsk State University, trains specialists for research work in the field of condensed matter physics, semiconductor physics and the physics of low-dimensional systems and nanostructures. It also provides knowledge enabling its graduates to participate in developing semiconductor technologies, improving existing and creating new opto-, micro- and nanoelectronic devices. The article describes the history of the creation of the department, the main stages of the formation of training courses and work on the organization of students’ research practice in the laboratories of Rzhanov Institute of Semiconductor Physics (ISP), which is the basic Institute for the department. An overview of the training courses taught at the department for the preparation of bachelors and masters is given. It is told about the scientific and technological achievements of ISP, and about unique measuring, analytical and technological equipment available in the laboratories of the Institute, which is the basis for organizing research work of students at a high scientific and methodological level.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"62 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85755709","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-18DOI: 10.25205/2541-9447-2022-17-1-94-103
V. Aleksandrov, O. A. Bogoyavlenskaya, A. Ulyanov
{"title":"Higher Mathematics Chair of the Physics Department at Novosibirsk State University","authors":"V. Aleksandrov, O. A. Bogoyavlenskaya, A. Ulyanov","doi":"10.25205/2541-9447-2022-17-1-94-103","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-1-94-103","url":null,"abstract":"","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"204 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80326109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-18DOI: 10.25205/2541-9447-2022-17-1-118-141
V. Annenkov, A. Arzhannikov, P. Bagryansky, A. D. Beklemishev, V. Davydenko, S. Sinitsky, D. Skovorodin, A. Sudnikov, I. Chernoshtanov, E. A. Fedorenkov, A. Shoshin
The article describes the system of scientific-engineering training at the Plasma Physics Department at the Physical Department, NSU with the active participation in this process of researchers from the plasma laboratories of the Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences. The text gives an idea of plasma as a subject studied in this department, and then consistently reflects the following information: the history of the department, the special courses taught in the department, the subjects of undergraduate and graduate theses, the achievements of graduates of the department in the last decade. Taking into account the main topic of scientific research in the plasma laboratories of the BINP SB RAS, the text gives an overview of the work at the plasma facilities operating at the institute and outlines the prospect of creating a next-generation linear plasma trap (GDMT). Particular attention is paid to the prospect of using open magnetic systems for hot plasma confinement in relation to solving the problem of controlled thermonuclear fusion, since these systems should serve as the field of primary activity for future graduates of the Department of Plasma Physics.
{"title":"Department of Plasma Physics of the Physics Department at Novosibirsk State University","authors":"V. Annenkov, A. Arzhannikov, P. Bagryansky, A. D. Beklemishev, V. Davydenko, S. Sinitsky, D. Skovorodin, A. Sudnikov, I. Chernoshtanov, E. A. Fedorenkov, A. Shoshin","doi":"10.25205/2541-9447-2022-17-1-118-141","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-1-118-141","url":null,"abstract":"The article describes the system of scientific-engineering training at the Plasma Physics Department at the Physical Department, NSU with the active participation in this process of researchers from the plasma laboratories of the Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences. The text gives an idea of plasma as a subject studied in this department, and then consistently reflects the following information: the history of the department, the special courses taught in the department, the subjects of undergraduate and graduate theses, the achievements of graduates of the department in the last decade. Taking into account the main topic of scientific research in the plasma laboratories of the BINP SB RAS, the text gives an overview of the work at the plasma facilities operating at the institute and outlines the prospect of creating a next-generation linear plasma trap (GDMT). Particular attention is paid to the prospect of using open magnetic systems for hot plasma confinement in relation to solving the problem of controlled thermonuclear fusion, since these systems should serve as the field of primary activity for future graduates of the Department of Plasma Physics.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"99 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75534189","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-18DOI: 10.25205/2541-9447-2022-17-1-150-154
A. A. Glushak
The Chair of Physics and Technology of the Physics Department trains specialists in the field of software and hardware for physical experiments, storage, and processing of information. The program of the courses involves the study of programming methods, information technologies and hardware for experimental installations in addition to fundamental education in physics and mathematics, which all students of the physics department of NSU receive. The graduates of the chair are specialists in the field of information technology with universal general physical training.
{"title":"Chair of Physical and Technical Informatics of the Physics Department at Novosibirsk State University","authors":"A. A. Glushak","doi":"10.25205/2541-9447-2022-17-1-150-154","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-1-150-154","url":null,"abstract":"The Chair of Physics and Technology of the Physics Department trains specialists in the field of software and hardware for physical experiments, storage, and processing of information. The program of the courses involves the study of programming methods, information technologies and hardware for experimental installations in addition to fundamental education in physics and mathematics, which all students of the physics department of NSU receive. The graduates of the chair are specialists in the field of information technology with universal general physical training.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"29 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91258530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2022-04-15DOI: 10.25205/2541-9447-2022-17-1-34-46
N. Adamov, N. A. Mishchenko, E. A. Chasovnikov
In order to describe the nonlinear behavior of oscillation amplitude of the segmental-conical model on a transversive rod setup in a wind tunnel at Mach М = 2, a polynomial function of damping derivatives was used. Polynom of the 4th degree as a function of viscous damping allowed to describe two limit cycles observed in experiments. Coefficients of the polynom were determined and showed sufficient agreement with a direct numerical solution of the proposed dynamic equation.
{"title":"About the Dynamic Damping Coefficients of a Segmental-Cone Model at Mach M = 2.3.","authors":"N. Adamov, N. A. Mishchenko, E. A. Chasovnikov","doi":"10.25205/2541-9447-2022-17-1-34-46","DOIUrl":"https://doi.org/10.25205/2541-9447-2022-17-1-34-46","url":null,"abstract":"In order to describe the nonlinear behavior of oscillation amplitude of the segmental-conical model on a transversive rod setup in a wind tunnel at Mach М = 2, a polynomial function of damping derivatives was used. Polynom of the 4th degree as a function of viscous damping allowed to describe two limit cycles observed in experiments. Coefficients of the polynom were determined and showed sufficient agreement with a direct numerical solution of the proposed dynamic equation.","PeriodicalId":43965,"journal":{"name":"Journal of Siberian Federal University-Mathematics & Physics","volume":"39 2 1","pages":""},"PeriodicalIF":0.4,"publicationDate":"2022-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89151483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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