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Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika最新文献

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COULOMB CORRECTIONS TO THE IONIZATION PROBABILITY OF A TWO-DIMENSIONAL ATOM BY A SUPERPOSITION OF CONSTANT AND ALTERNATING ELECTRIC FIELDS 通过恒定电场和交变电场叠加对二维原子电离概率的库仑修正
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-3-15-27
P. Éminov, V. Sokolov
{"title":"COULOMB CORRECTIONS TO THE IONIZATION PROBABILITY OF A TWO-DIMENSIONAL ATOM BY A SUPERPOSITION OF CONSTANT AND ALTERNATING ELECTRIC FIELDS","authors":"P. Éminov, V. Sokolov","doi":"10.18384/2310-7251-2019-3-15-27","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-3-15-27","url":null,"abstract":". The process of nonlinear ionization of a two-dimensional nanostructure with a long-range Coulomb potential by a superposition of constant and alternating electric fields is investigated. In the adiabatic approximation, the ionization probability of a two-dimensional atom is calculated taking the Coulomb correction into account. The dependence of the contribution of the Coulomb field to the ionization rate on the ratio of the strengths of constant and alternating electric fields in the process of multiphoton ionization of an atom is investigated. An analytical expression is obtained for the ionization probability of a two-dimensional atom by a constant electric field, taking the Coulomb correction into account.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67949032","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}
引用次数: 0
VISCOUS MECHANISM IN THE THEORY OF ULTRASOUND ATTENUATION ANISOTROPY BY MAGNETIC FLUIDS 磁流体各向异性超声衰减理论中的粘滞机理
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-4-60-69
A. Kurilov, V. Sokolov, P. Éminov
{"title":"VISCOUS MECHANISM IN THE THEORY OF ULTRASOUND ATTENUATION ANISOTROPY BY MAGNETIC FLUIDS","authors":"A. Kurilov, V. Sokolov, P. Éminov","doi":"10.18384/2310-7251-2019-4-60-69","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-4-60-69","url":null,"abstract":"We report a comparative analysis of the classical theory of the viscous mechanism of sound attenuation by ultrafine media and one of the dominant theories of sound attenuation © CC BY Курилов А. Д., Соколов В. В., Эминов П. А., 2019. ISSN 2072-8387 Вестник Московского государственного областного университета. Серия: Физика-Математика 2019 / No 4 61 anisotropy by magnetic fluids on the basis of the viscous mechanism. The Taketomi theory used by many authors gives overestimated values for the size of aggregates in magnetic fluids and is not able to quantify experimental data. In addition, the formula obtained by Taketomi does not reduce to the classical expression for viscous absorption in the limiting case and, therefore, should be considered erroneous.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67949874","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}
引用次数: 0
LOCAL THREE-WEBS ADDED TO HAMILTON SYSTEMS ON A CОTANGENT BUNDLE ABOVE A SMOOTH MANIFOLD 在光滑歧管上方的cОtangent束上添加到Hamilton系统的局部三网
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-4-8-16
О. Ishchenko, O. Matveyev
{"title":"LOCAL THREE-WEBS ADDED TO HAMILTON SYSTEMS ON A CОTANGENT BUNDLE ABOVE A SMOOTH MANIFOLD","authors":"О. Ishchenko, O. Matveyev","doi":"10.18384/2310-7251-2019-4-8-16","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-4-8-16","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67950092","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}
引用次数: 0
NEW ELECTRICALLY CONDUCTIVE NANOCOMPOSITES BASED ON SILOXANE MATERIALS 基于硅氧烷材料的新型导电纳米复合材料
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-1-57-67
V. Mashchenko, M. S. Konstantinov, I. S. Cebruk, O. V. Chausova, V. Belyaev
{"title":"NEW ELECTRICALLY CONDUCTIVE NANOCOMPOSITES BASED ON SILOXANE MATERIALS","authors":"V. Mashchenko, M. S. Konstantinov, I. S. Cebruk, O. V. Chausova, V. Belyaev","doi":"10.18384/2310-7251-2019-1-57-67","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-1-57-67","url":null,"abstract":"We report the development of a method for producing long aggregates (more than 1 cm) of multi-walled carbon nanotubes (MWCNTs) dispersed in a solvent by means of directed agglomeration with an electric arc in the liquid phase, as well as study the processes accompanying the formation of these aggregates. A field-oriented carbon agglomerate is obtained and it is found that mica with inclusions of amorphous carbon and agglomerates of nanotubes are formed in such a system. By percolation, the condition of MWCNT crosslinking into the agglomerate at different stress values is established; it is determined that at low © CC BY Мащенко В. И., Константинов М. С., Цебрук И. С., Чаусова О. В., Беляев В. В., 2019. ISSN 2072-8387 Вестник Московского государственного областного университета. Серия: Физика-Математика 2019 / No 1 58 concentrations the probability of particle crosslinking is no more than 5%. The obtained results may be of practical interest for the enterprises of power industry in the production of modern types of electrical equipment.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67946270","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}
引用次数: 0
STUDY OF HEAT TRANSFER IN A GRAPHITE THERMAL UNIT OF THE FACILITY FOR GROWING SINGLE CRYSTALS BY THE HDC METHOD 用HDC法研究单晶生长装置石墨热单元的传热
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-3-68-81
S. Sarkisov, V. Yusim, V. V. Ryabchenkov, Raf K. Kalimullin, I. V. Govorun, A. V. Sakmarov
{"title":"STUDY OF HEAT TRANSFER IN A GRAPHITE THERMAL UNIT OF THE FACILITY FOR GROWING SINGLE CRYSTALS BY THE HDC METHOD","authors":"S. Sarkisov, V. Yusim, V. V. Ryabchenkov, Raf K. Kalimullin, I. V. Govorun, A. V. Sakmarov","doi":"10.18384/2310-7251-2019-3-68-81","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-3-68-81","url":null,"abstract":"Саркисов С. Э., Юсим В. А., Рябченков В. В., Калимуллин Р. К., Говорун И. В., Сакмаров А. В. 1 Национальный исследовательский центр «Курчатовский институт» 123182, г. Москва, пл. Академика Курчатова, д. 1, Российская Федерация 2 Московский физико-технический институт (национальный исследовательский университет) 141701, Московская область, г. Долгопрудный, Институтский переулок, д. 9, Российская Федерация","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67948897","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}
引用次数: 0
ON PROJECTIVE SYMMETRIC ZERO CURVATURE MANIFOLDS WITH AFFINE CONNECTION 具有仿射连接的投影对称零曲率流形
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-3-6-14
O. Matveyev, Inga V. Pticina, O. Frolov
{"title":"ON PROJECTIVE SYMMETRIC ZERO CURVATURE MANIFOLDS WITH AFFINE CONNECTION","authors":"O. Matveyev, Inga V. Pticina, O. Frolov","doi":"10.18384/2310-7251-2019-3-6-14","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-3-6-14","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67949077","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}
引用次数: 0
INVESTIGATION OF THE INFLUENCE OF PLASMA ON THE PROPERTIES OF DISPERSED MEDIA WITH ORGANIC OBJECTS 等离子体对含有机物分散介质性质影响的研究
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-4-77-89
V. Bychkov, A. Bikmukhametova, K. Deshko, T. Mikhailovskaya, V. Chernikov, A. Shvarov
{"title":"INVESTIGATION OF THE INFLUENCE OF PLASMA ON THE PROPERTIES OF DISPERSED MEDIA WITH ORGANIC OBJECTS","authors":"V. Bychkov, A. Bikmukhametova, K. Deshko, T. Mikhailovskaya, V. Chernikov, A. Shvarov","doi":"10.18384/2310-7251-2019-4-77-89","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-4-77-89","url":null,"abstract":". We have performed experiments on the influence of corona discharge plasma on samples of dispersed media with organic components (various types of soils). We have revealed the role of air ionization under the action of the corona discharge, which leads to a change in the electrical conductivity of media and to a change in the chemical properties associated with the oxidation of molecular nitrogen to its mineral forms.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67949957","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}
引用次数: 0
ALTERNATIVE CALCULATION OF COVARIANT DERIVATIVES WITH AN APPLICATION TO THE PROBLEMS OF MECHANICS, PHYSICS AND GEOMETRY 协变导数的替代计算及其在力学、物理和几何问题中的应用
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-1-16-45
S. Gladkov
{"title":"ALTERNATIVE CALCULATION OF COVARIANT DERIVATIVES WITH AN APPLICATION TO THE PROBLEMS OF MECHANICS, PHYSICS AND GEOMETRY","authors":"S. Gladkov","doi":"10.18384/2310-7251-2019-1-16-45","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-1-16-45","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67945934","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}
引用次数: 1
DYNAMICS OF NONLINEAR TUNNELING OF BOSE-CONDENSED ATOMS IN A DOUBLE-WELL TRAP 双阱阱中玻色凝聚原子非线性隧穿动力学
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-2-83-95
O. F. Vasilieva, A. P. Zingan
{"title":"DYNAMICS OF NONLINEAR TUNNELING OF BOSE-CONDENSED ATOMS IN A DOUBLE-WELL TRAP","authors":"O. F. Vasilieva, A. P. Zingan","doi":"10.18384/2310-7251-2019-2-83-95","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-2-83-95","url":null,"abstract":"The dynamics of tunneling of Bose-condensed atoms in a double-well trap is studied with allowance for the processes of elastic interatomic interaction in each well and nonlinear pair tunneling through the barrier between the wells. Solutions of the resulting system of nonlinear evolution equations describing nonstationary tunneling show that there are both periodic and aperiodic modes of evolution of the difference between the populations of the wells. The features of the time evolution of the system are determined by the initial population difference, the initial phase difference, and the nonlinearity parameter of the system. The possibility of the existence of quantum self-trapping and phase control of the system dynamics is indicated.","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67948802","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}
引用次数: 0
APPLICATION OF THE SECOND COVARIANT DERIVATIVE FROM THE VECTOR FUNCTION TO THE PROBLEMS OF HYDRODYNAMICS AND ELASTICITY THEORY 矢量函数的二次协变导数在流体力学和弹性理论问题中的应用
Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika Pub Date : 2019-01-01 DOI: 10.18384/2310-7251-2019-3-42-67
S. Gladkov
{"title":"APPLICATION OF THE SECOND COVARIANT DERIVATIVE FROM THE VECTOR FUNCTION TO THE PROBLEMS OF HYDRODYNAMICS AND ELASTICITY THEORY","authors":"S. Gladkov","doi":"10.18384/2310-7251-2019-3-42-67","DOIUrl":"https://doi.org/10.18384/2310-7251-2019-3-42-67","url":null,"abstract":"","PeriodicalId":33476,"journal":{"name":"Vestnik moskovskogo gosudarstvennogo oblastnogo universiteta Seriia Fizikamatematika","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"67948832","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}
引用次数: 0
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