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Bulletin of the Lebedev Physics Institute最新文献

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Study of Etching Features of Quartz Glass Irradiated with Xenon Ions 氙离子照射石英玻璃蚀刻特征研究
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335624600062
P. Yu. Apel, M. M. Chernyavsky, A. A. Gippius, G. V. Kalinina, N. S. Konovalova, N. M. Okateva, N. G. Polukhina, Zh. T. Sadykov, T. V. Shchedrina, N. I. Starkov, E. N. Starkova, I. I. Zasavitskii
{"title":"Study of Etching Features of Quartz Glass Irradiated with Xenon Ions","authors":"P. Yu. Apel,&nbsp;M. M. Chernyavsky,&nbsp;A. A. Gippius,&nbsp;G. V. Kalinina,&nbsp;N. S. Konovalova,&nbsp;N. M. Okateva,&nbsp;N. G. Polukhina,&nbsp;Zh. T. Sadykov,&nbsp;T. V. Shchedrina,&nbsp;N. I. Starkov,&nbsp;E. N. Starkova,&nbsp;I. I. Zasavitskii","doi":"10.3103/S1068335624600062","DOIUrl":"10.3103/S1068335624600062","url":null,"abstract":"<p>The first results of testing KU-2 optical quartz glass as a detector of accelerated heavy ions are presented. The results of etching the irradiated glasses in hydrofluoric acid indicate a possibility of their use for detecting superheavy nuclei and their decay products.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 4","pages":"117 - 123"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141509029","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On Possible Three-Graviton Vertices 关于可能的三引力子顶点
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335623600018
A. I. Nikishov
{"title":"On Possible Three-Graviton Vertices","authors":"A. I. Nikishov","doi":"10.3103/S1068335623600018","DOIUrl":"10.3103/S1068335623600018","url":null,"abstract":"<p>The author compares, in the Born approximation, the cross sections for graviton scattering on Newtonian center in three cases using 1) a three-graviton vertex of general relativity, 2) a vertex formed with a properly chosen gravitational energy-momentum tensor of a massless spin-2 field, and 3) a vertex formed with Landau and Lifshits pseudotensor energy momentum. In all three cases, the cross sections are different For scattering by angles θ of an order of unity. So, in principle, the experiment decides which three-graviton vertex is used by nature. The manifestation of nonlocalizability of field energy is noted.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 4","pages":"124 - 127"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141509030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An Investigation of the Structural and Surface Topography of Aluminum Nitride Thin Films Deposited at Low Sputtering Power for Piezoelectric Applications 用于压电应用的低溅射功率氮化铝薄膜的结构和表面形貌研究
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335623601735
R. Jyothilakshmi, S. Sandeep, Yu. A. Mityagin, M. P. Telenkov, K. K. Nagaraja
{"title":"An Investigation of the Structural and Surface Topography of Aluminum Nitride Thin Films Deposited at Low Sputtering Power for Piezoelectric Applications","authors":"R. Jyothilakshmi,&nbsp;S. Sandeep,&nbsp;Yu. A. Mityagin,&nbsp;M. P. Telenkov,&nbsp;K. K. Nagaraja","doi":"10.3103/S1068335623601735","DOIUrl":"10.3103/S1068335623601735","url":null,"abstract":"<p>Aluminum nitride, a promising piezoelectric material grown below 400°C that is CMOS compatible, can be used for wide piezo applications. In this work, AlN is deposited using reactive magnetron sputtering at sputtering temperature of 300°C. Our focus was to grow <i>c</i> axis-oriented AlN thin-films at relatively low sputtering power for piezoelectric application. In this direction AlN thin films were deposited at a low sputtering power of 100 and 125 W and at a sputtering temperature of 300°С. X-ray diffraction and atomic force microscopy techniques were used to characterize the structural and surface topography of deposited thin films. Films grown at 125 W have a highly <i>c</i> axis-orientation (002) plane with an FWHM value of 0.38°. The roughness of the films was found to be 7.00 Å, and the near zero skewness represents a symmetric roughness distribution in the films. Pure films of this phase can be used for device applications in the future.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 5","pages":"160 - 165"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Current‒Voltage Characteristics of Nonideal Josephson Junctions 非理想约瑟夫森结的电流-电压特性
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335624600050
A. N. Lykov, I. A. Lykov
{"title":"Current‒Voltage Characteristics of Nonideal Josephson Junctions","authors":"A. N. Lykov,&nbsp;I. A. Lykov","doi":"10.3103/S1068335624600050","DOIUrl":"10.3103/S1068335624600050","url":null,"abstract":"<p>We report calculations of current‒voltage characteristics (I‒V characteristics) of Josephson junctions using the resistive model. The I‒V characteristics are found to be stable to deviations of the dependence of the superconducting current on the phase difference (φ) of the order parameter at the junction boundaries from the simple sinusoidal one, characteristic of ideal Josephson junctions. It is shown that to analyze the processes occurring in Josephson junctions, it is important to measure the spectral composition of generation from these junctions.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 5","pages":"155 - 159"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515679","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reconstructing the Energy Spectrum of Cosmic Muons Measured with the Underground Detector of the Tien Shan High-Altitude Station 重建天山高空站地下探测器测量到的宇宙Μ介子能谱
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335624600281
M. Yu. Azarkin, M. R. Kirakosyan, O. V. Meshkov, V. A. Ryabov, A. L. Shepetov
{"title":"Reconstructing the Energy Spectrum of Cosmic Muons Measured with the Underground Detector of the Tien Shan High-Altitude Station","authors":"M. Yu. Azarkin,&nbsp;M. R. Kirakosyan,&nbsp;O. V. Meshkov,&nbsp;V. A. Ryabov,&nbsp;A. L. Shepetov","doi":"10.3103/S1068335624600281","DOIUrl":"10.3103/S1068335624600281","url":null,"abstract":"<p>This paper investigates the performance of the underground detector at the Tien Shan High-Altitude Station for the registration of cosmic muons produced in extensive air showers (EAS) using a simulation with GEANT4. The capability of reconstructing the energy spectrum of EAS muons based on the multiplicity of neutrons produced in interactions of the muons with the detector material and measured with neutron counters was analyzed. The best technique for the reconstruction of the muon energy spectrum is recommended according to the simulation results.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 5","pages":"166 - 173"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515681","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Chlorine Introduction on Luminescent Properties of Novel Eu3+ Coordination Compounds with β-Diketones and Unsatured Carboxylic Acids 引入氯对带有 β-二酮类和未成熟羧酸的新型 Eu3+ 配位化合物发光特性的影响
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335624600232
A. V. Osadchenko, D. S. Daibagya, I. A. Zakharchuk, A. S. Selyukov, S. A. Ambrozevich, A. V. Ryzhov, N. V. Pevtsov, D. N. Pevtsov
{"title":"Effect of Chlorine Introduction on Luminescent Properties of Novel Eu3+ Coordination Compounds with β-Diketones and Unsatured Carboxylic Acids","authors":"A. V. Osadchenko,&nbsp;D. S. Daibagya,&nbsp;I. A. Zakharchuk,&nbsp;A. S. Selyukov,&nbsp;S. A. Ambrozevich,&nbsp;A. V. Ryzhov,&nbsp;N. V. Pevtsov,&nbsp;D. N. Pevtsov","doi":"10.3103/S1068335624600232","DOIUrl":"10.3103/S1068335624600232","url":null,"abstract":"<p>The paper examines the effect of introducing a chlorine atom into the coordination sphere of a rare earth ion for two novel Eu<sup>3+</sup> organometallic compounds. Using spectral and time-resolved measurements, we show that the introduction of a chlorine atom provides a way to achieve a significant increase (from 27 to 36%) in the luminescence efficiency of the studied compounds due to coordination symmetry breaking in the complexes.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 4","pages":"135 - 139"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Statistical Properties of the Galactic Magnetic Field in the Dynamo Model with Fluctuations of the Alpha Effect and Turbulent Diffusion 带有阿尔法效应波动和湍流扩散的动力模型中银河系磁场的统计特性
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335623601875
D. A. Grachev, S. A. Elistratov, E. A. Mikhailov
{"title":"Statistical Properties of the Galactic Magnetic Field in the Dynamo Model with Fluctuations of the Alpha Effect and Turbulent Diffusion","authors":"D. A. Grachev,&nbsp;S. A. Elistratov,&nbsp;E. A. Mikhailov","doi":"10.3103/S1068335623601875","DOIUrl":"10.3103/S1068335623601875","url":null,"abstract":"<p>Magnetic fields in galaxies are usually originated through the action of a dynamo, which is based on the helicity of turbulent flows (alpha effect) and nonrigid rotation of a galaxy (differential rotation). They are opposed by dissipation, which tends to destroy the regular structures of the field. As a rule, dynamo equations contain averaged turbulence parameters. This approach presents difficulties in the case of galaxies with a highly inhomogeneous interstellar medium, associated, for example, with star formation. One way to solve the problem is to use random coefficients in the field equations. In this case, solutions require separate statistical analysis. This paper examines various statistical moments for the galactic magnetic field within the framework of a model assuming fluctuations of the alpha effect and turbulent diffusion.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 4","pages":"140 - 144"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Features of Nonstationary Filtration Combustion Wave Propagation in a Model One-Layer Porous Medium 单层多孔介质模型中的非稳态过滤燃烧波传播特征
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-25 DOI: 10.3103/S1068335623601838
R. V. Fursenko, E. S. Odintsov, A. D. Zakharov, A. Yu. Koptev, S. S. Minaev
{"title":"Features of Nonstationary Filtration Combustion Wave Propagation in a Model One-Layer Porous Medium","authors":"R. V. Fursenko,&nbsp;E. S. Odintsov,&nbsp;A. D. Zakharov,&nbsp;A. Yu. Koptev,&nbsp;S. S. Minaev","doi":"10.3103/S1068335623601838","DOIUrl":"10.3103/S1068335623601838","url":null,"abstract":"<p>Temperature characteristics of a filtration combustion wave propagating upstream against a fresh mixture in a one-layer porous medium is studied experimentally using thermal imaging. The design of a model porous burner allows one to obtain data on the time evolution of the temperature distribution of the solid phase at the pore scale. It is shown that the macroscale propagation of a flame is accompanied by local distortions of its front and the emergence and movement of hot spots and low-temperature regions at the scale of several pores. The most common pattern of the local dynamic behavior of the filtration combustion wave is identified and described.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 4","pages":"145 - 150"},"PeriodicalIF":0.6,"publicationDate":"2024-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Photonic Quantum Interface between Subcarrier Wave and Polarization Encoding of Photonic Qubits 子载波与光子量子位偏振编码之间的光子量子界面
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-17 DOI: 10.3103/S1068335624600578
K. S. Melnik, E. S. Moiseev, L. R. Gilyazov, S. A. Moiseev
{"title":"Photonic Quantum Interface between Subcarrier Wave and Polarization Encoding of Photonic Qubits","authors":"K. S. Melnik,&nbsp;E. S. Moiseev,&nbsp;L. R. Gilyazov,&nbsp;S. A. Moiseev","doi":"10.3103/S1068335624600578","DOIUrl":"10.3103/S1068335624600578","url":null,"abstract":"<p>We report a theoretical analysis of a photonic quantum interface, which makes it possible to deterministically convert photonic qubits from subcarrier wave to polarization encoding. The interface provides unambiguous conversion of an arbitrary phase of the input signal into the corresponding polarization of the converted radiation. Possibilities of implementing this interface in an integrated optical design and its use in constructing a hybrid quantum network are discussed.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 2 supplement","pages":"S117 - S122"},"PeriodicalIF":0.6,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141509032","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamics of Exciton Formation in Planar Nanostructures under the Action of a Quantum Electromagnetic Field under Nonlinearity Conditions 非线性条件下量子电磁场作用下平面纳米结构中的激子形成动力学
IF 0.6 4区 物理与天体物理
Bulletin of the Lebedev Physics Institute Pub Date : 2024-06-17 DOI: 10.3103/S1068335624600505
I. A. Tereshchenko, O. V. Tikhonova
{"title":"Dynamics of Exciton Formation in Planar Nanostructures under the Action of a Quantum Electromagnetic Field under Nonlinearity Conditions","authors":"I. A. Tereshchenko,&nbsp;O. V. Tikhonova","doi":"10.3103/S1068335624600505","DOIUrl":"10.3103/S1068335624600505","url":null,"abstract":"<p>The features of exciton formation in planar nanostructures under the action of a nonclassical field under the conditions of Kerr phase modulation are analyzed. Excitations of various exciton channels are enhanced or suppressed depending on the nonlinearity magnitude in the system. The possibility of controlling different excitation channels by varying the frequency detuning of the field relative to the resonant transition is demonstrated, and an analytical formula for determining its optimal value is found. The effect of amplification of even excitation channels has been detected, which is caused by correlations of photons under the action of a field in a state of two-mode squeezed vacuum.</p>","PeriodicalId":503,"journal":{"name":"Bulletin of the Lebedev Physics Institute","volume":"51 2 supplement","pages":"S129 - S137"},"PeriodicalIF":0.6,"publicationDate":"2024-06-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141515682","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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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