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Bulletin of the Russian Academy of Sciences: Physics最新文献

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Resonant Photoluminescence of an Excited Laughlin Liquid 受激劳克林液体的共振光致发光
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709504
L. V. Kulik
{"title":"Resonant Photoluminescence of an Excited Laughlin Liquid","authors":"L. V. Kulik","doi":"10.1134/S1062873824709504","DOIUrl":"10.1134/S1062873824709504","url":null,"abstract":"<p>The resonant photoluminescence of an excited Laughlin liquid at an electron filling factor of 1/3 was studied. It was shown that, for a neutral defect in a Laughlin liquid that consists of an electron at the upper spin sublevel of the zero Landau level and a valence hole, the influence of random potential fluctuations on the probability of optical recombination of the defect is suppressed (random potential superscreening). Filling the Laughlin liquid with single-spin excitations (spin-magnetogravitons) does not affect this observation.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"204 - 206"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871206","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
Erratum to: Influence of Ferromagnetic Film Thickness on Acoustically Driven Spin Wave Resonances 铁磁膜厚度对声驱动自旋波共振影响的勘误
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873825020029
N. I. Polzikova, S. G. Alekseev, A. O. Raevskiy, S. A. Nikitov
{"title":"Erratum to: Influence of Ferromagnetic Film Thickness on Acoustically Driven Spin Wave Resonances","authors":"N. I. Polzikova,&nbsp;S. G. Alekseev,&nbsp;A. O. Raevskiy,&nbsp;S. A. Nikitov","doi":"10.1134/S1062873825020029","DOIUrl":"10.1134/S1062873825020029","url":null,"abstract":"","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"318 - 318"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1062873825020029.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Raman Scattering in Ferromagnetic Ge1 – xCox Nanowires 铁磁性Ge1 - xCox纳米线的拉曼散射
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709644
S. V. Zaitsev, A. I. Dmitriev
{"title":"Raman Scattering in Ferromagnetic Ge1 – xCox Nanowires","authors":"S. V. Zaitsev,&nbsp;A. I. Dmitriev","doi":"10.1134/S1062873824709644","DOIUrl":"10.1134/S1062873824709644","url":null,"abstract":"<p>Correlation of the temperature dependences of Raman scattering and ferromagnetic resonance is found in nanowires of a dilute magnetic semiconductor Ge<sub>0.99</sub>Co<sub>0.01</sub>. A sudden “softening” of optical phonon lines occurs at <i>T</i> ≈ 74 K. The observed behavior indicates a strong interaction of carriers not only with phonons but also with the magnetic system.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"283 - 286"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871213","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
Using the Geometric Properties of Three Invariants in the Wave Equation for the Intensity of an Electric Field 利用电场强度波动方程中三个不变量的几何性质
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709681
V. M. Ovsyannikov
{"title":"Using the Geometric Properties of Three Invariants in the Wave Equation for the Intensity of an Electric Field","authors":"V. M. Ovsyannikov","doi":"10.1134/S1062873824709681","DOIUrl":"10.1134/S1062873824709681","url":null,"abstract":"<p>An equation of continuity for a fluid is derived using Euler’s <i>Principia motus fluidorum</i> with high-order terms of smallness containing quadratic and cubic invariants of the strain rate tensor. The wave equation for the intensity of an electric field is derived using Maxwell’s system of electrodynamics equations with allowance for quadratic and cubic invariants, which describe the generation of waves of the electric field’s intensity.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"305 - 311"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871218","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
Erratum to: Temperature Features of Photoluminescence Decay in Amorphous Hafnia Nanotubes 非晶铪纳米管光致发光衰减的温度特性勘误
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873825020054
A. O. Shilov, S. S. Savchenko, K. Zhusupov, A. S. Vokhmintsev, I. A. Weinstein
{"title":"Erratum to: Temperature Features of Photoluminescence Decay in Amorphous Hafnia Nanotubes","authors":"A. O. Shilov,&nbsp;S. S. Savchenko,&nbsp;K. Zhusupov,&nbsp;A. S. Vokhmintsev,&nbsp;I. A. Weinstein","doi":"10.1134/S1062873825020054","DOIUrl":"10.1134/S1062873825020054","url":null,"abstract":"","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"321 - 321"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1062873825020054.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics of Spinor Exciton‒Polariton Condensates in Double Potential Traps in GaAs/AlAs Microcavities under the Resonance Picosecond Excitation 共振皮秒激发下GaAs/AlAs微腔双势阱中自旋子激子-极化子凝聚动力学
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709590
A. A. Demenev, S. N. Tereshko, N. A. Gippius, V. D. Kulakovskii
{"title":"Dynamics of Spinor Exciton‒Polariton Condensates in Double Potential Traps in GaAs/AlAs Microcavities under the Resonance Picosecond Excitation","authors":"A. A. Demenev,&nbsp;S. N. Tereshko,&nbsp;N. A. Gippius,&nbsp;V. D. Kulakovskii","doi":"10.1134/S1062873824709590","DOIUrl":"10.1134/S1062873824709590","url":null,"abstract":"<p>The authors study the temporal evolution of polarized spectra of emissions from spinor exciton‒polariton condensates in double tunnel-coupled potential traps inside a high-<i>Q</i> GaAs/AlAs microcavity at 2 K under resonance laser pumping with picosecond pulses at times of up to 1.5 ns. The time of the condensates’ spin relaxation in a double trap is estimated as τ<sub>s</sub> ≈ 10 ns. The effect of tunnel interaction and anisotropy of the trap potential on the energy spectrum of the polariton modes and the polarization dynamics of the spinor condensate in tunnel-coupled potential traps is discussed.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"257 - 264"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871249","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
Low-Frequency Properties of a Silicon-Based Plasmonic Detector of Electromagnetic Radiation 硅基电磁辐射等离子体探测器的低频特性
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709449
A. V. Shchepetilnikov, A. R. Khisameeva, Ya. V. Fedotova, A. A. Dremin, I. V. Kukushkin
{"title":"Low-Frequency Properties of a Silicon-Based Plasmonic Detector of Electromagnetic Radiation","authors":"A. V. Shchepetilnikov,&nbsp;A. R. Khisameeva,&nbsp;Ya. V. Fedotova,&nbsp;A. A. Dremin,&nbsp;I. V. Kukushkin","doi":"10.1134/S1062873824709449","DOIUrl":"10.1134/S1062873824709449","url":null,"abstract":"<p>The properties of a silicon-based plasmonic detector of electromagnetic radiation were examined in the low-frequency range (0.1–20 GHz). The sensitive element of the detector was embedded in a matched coplanar waveguide, through which electromagnetic radiation was conveyed. The dependence of the constant voltage arising at the detector output on the frequency of the incident radiation was measured. The power characteristics of the detector were measured, and the threshold radiation power at which the detector transitions into a nonlinear regime was determined.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"177 - 180"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871266","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
Developing SERS Active Track-Etched Membranes with High Sustainability in Biological Fluids 在生物流体中具有高可持续性的SERS主动轨迹蚀刻膜的研制
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709589
D. S. Tikhonova, E. V. Andreev, R. Sh. Alieva, S. V. Dubkov, V. S. Kolmogorov, A. S. Erofeev, A. N. Nechaev, V. I. Kukushkin, E. G. Zavyalova
{"title":"Developing SERS Active Track-Etched Membranes with High Sustainability in Biological Fluids","authors":"D. S. Tikhonova,&nbsp;E. V. Andreev,&nbsp;R. Sh. Alieva,&nbsp;S. V. Dubkov,&nbsp;V. S. Kolmogorov,&nbsp;A. S. Erofeev,&nbsp;A. N. Nechaev,&nbsp;V. I. Kukushkin,&nbsp;E. G. Zavyalova","doi":"10.1134/S1062873824709589","DOIUrl":"10.1134/S1062873824709589","url":null,"abstract":"<p>The authors consider different approaches to creating a strengthening surface based on a track-etched polyethylene terephthalate membrane. The stability of the covering and the potential use of the obtained substrates are evaluated using the example of an aptasensor for identifying the influenza A virus.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"249 - 256"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871270","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
Excited States of Excitons in Monolayers of Transition Metal Dichalcogenides in Reflectance Spectra up to Room Temperature 室温下过渡金属二硫族化合物单分子层激子激发态的反射光谱
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709528
A. S. Brichkin, G. M. Golyshkov, A. V. Chernenko, V. E. Bisti
{"title":"Excited States of Excitons in Monolayers of Transition Metal Dichalcogenides in Reflectance Spectra up to Room Temperature","authors":"A. S. Brichkin,&nbsp;G. M. Golyshkov,&nbsp;A. V. Chernenko,&nbsp;V. E. Bisti","doi":"10.1134/S1062873824709528","DOIUrl":"10.1134/S1062873824709528","url":null,"abstract":"<p>The ground and excited states of A- and B-excitons in monolayers of MoSe<sub>2</sub> and WSe<sub>2</sub> were studied by optical reflectance spectroscopy over a wide range of temperatures up to room temperature. It was shown that excited states are observed in the spectrum even at room temperature. Depending on the selected parameters of the heterostructure, the B-exciton line may be comparable in intensity to the A-exciton line.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"211 - 215"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871268","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
The Response Time of a Silicon-Based Plasmonic Detector of Electromagnetic Radiation 硅基等离子体电磁辐射探测器的响应时间
IF 0.48
Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2025-04-24 DOI: 10.1134/S1062873824709450
A. V. Shchepetilnikov, A. R. Khisameeva, Ya. V. Fedotova, A. A. Dremin, I. V. Kukushkin
{"title":"The Response Time of a Silicon-Based Plasmonic Detector of Electromagnetic Radiation","authors":"A. V. Shchepetilnikov,&nbsp;A. R. Khisameeva,&nbsp;Ya. V. Fedotova,&nbsp;A. A. Dremin,&nbsp;I. V. Kukushkin","doi":"10.1134/S1062873824709450","DOIUrl":"10.1134/S1062873824709450","url":null,"abstract":"<p>The response time of a silicon-based plasmonic detector of electromagnetic radiation was investigated. For this purpose, frequency mixing experiments were carried out in the microwave frequency range. The sensitive element of the detector was embedded in the slots of a matched coplanar waveguide. The response time <span>({{tau }} = 60 pm 10)</span> ps was estimated from the attenuation of the signal amplitude with increasing difference frequency.</p>","PeriodicalId":504,"journal":{"name":"Bulletin of the Russian Academy of Sciences: Physics","volume":"89 2","pages":"181 - 184"},"PeriodicalIF":0.48,"publicationDate":"2025-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871263","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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