Laser and Particle Beams最新文献

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Numerical analysis of X-ray multilayer Fresnel zone plates with high aspect ratios 高纵横比 X 射线多层菲涅尔区板的数值分析
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2024-09-03 DOI: 10.1017/lpb.2024.3
Lingyun Zhang, Yazeng Gao, Shuaiqiang Ming, Weier Lu, Yang Xia
{"title":"Numerical analysis of X-ray multilayer Fresnel zone plates with high aspect ratios","authors":"Lingyun Zhang, Yazeng Gao, Shuaiqiang Ming, Weier Lu, Yang Xia","doi":"10.1017/lpb.2024.3","DOIUrl":"https://doi.org/10.1017/lpb.2024.3","url":null,"abstract":"A partition calculation method (PCM) for calculating the diffraction efficiency of multilayer Fresnel zone plate with high aspect ratio is proposed. In contrast to the traditional theory, PCM designs and evaluates Fresnel zone plate (FZP) considering material pairs, all zone widths, thicknesses and X-ray energy more completely. The results obtained through PCM are validated by comparing them with the complex amplitude superposition theory and coupled wave theory numerical results. The PCM satisfies the requirements of the theoretical investigation of FZP with small outermost zone width (<jats:italic>dr<jats:sub>N</jats:sub></jats:italic>) and large thickness (<jats:italic>t</jats:italic>). Combining proper numerical analysis with the experimental conditions will present a great potential to break through the imaging performance of X-ray microscopy.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142205063","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
Hot electron emission characteristics from thin metal foil targets irradiated by terawatt laser 太瓦激光辐照薄金属箔靶的热电子发射特性
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2024-04-17 DOI: 10.1017/lpb.2023.2
Sushil K. Singh, Michal Krupka, Josef Krasa, Valeria Istokskaia, Jan Dostal, Roman Dudzak, Tadeusz Pisarczyk, Jakub Cikhardt, Shubham Agarwal, Daniel Klir, Karel Rezac, Lorenzo Giuffrida, Tomasz Chodukowski, Zofia Rusiniak, Tomas Burian, Daniele Margarone, Miroslav Krus, Libor Juha
{"title":"Hot electron emission characteristics from thin metal foil targets irradiated by terawatt laser","authors":"Sushil K. Singh, Michal Krupka, Josef Krasa, Valeria Istokskaia, Jan Dostal, Roman Dudzak, Tadeusz Pisarczyk, Jakub Cikhardt, Shubham Agarwal, Daniel Klir, Karel Rezac, Lorenzo Giuffrida, Tomasz Chodukowski, Zofia Rusiniak, Tomas Burian, Daniele Margarone, Miroslav Krus, Libor Juha","doi":"10.1017/lpb.2023.2","DOIUrl":"https://doi.org/10.1017/lpb.2023.2","url":null,"abstract":"The interaction of focused high power laser beam with solid targets leads to acceleration of charged particles among other by non-linear effects in the plasma. In this experiment, the hot electrons are characterized from the interaction of sub-nanosecond and kilo-joule class laser pulse with thin metal foil targets (Cu, Ta, Ti, Sn, Pb). The energy distribution functions of electrons were measured by angularly resolved multichannel electron spectrometer. The hot electron temperatures were observed in range from 30 to 80 keV for laser intensities between <jats:inline-formula> <jats:alternatives> <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" mime-subtype=\"png\" mimetype=\"image\" xlink:href=\"S0263034623000022_inline1.png\" /> <jats:tex-math>${sim}10^{15}$</jats:tex-math> </jats:alternatives> </jats:inline-formula> and <jats:inline-formula> <jats:alternatives> <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" mime-subtype=\"png\" mimetype=\"image\" xlink:href=\"S0263034623000022_inline2.png\" /> <jats:tex-math>$3 times 10^{16} mathrm{W,cm^{-2}}$</jats:tex-math> </jats:alternatives> </jats:inline-formula>. The measured energy distribution and electron temperature were compared with published results and known scaling laws at higher laser intensities. For foil targets of different materials, the temperature and flux of hot electrons were scaled with target thickness in the range of 1–100 <jats:inline-formula> <jats:alternatives> <jats:inline-graphic xmlns:xlink=\"http://www.w3.org/1999/xlink\" mime-subtype=\"png\" mimetype=\"image\" xlink:href=\"S0263034623000022_inline3.png\" /> <jats:tex-math>$unicode{x03BC}mathrm{m}$</jats:tex-math> </jats:alternatives> </jats:inline-formula> from low Z to high Z materials where Z is the atomic number. The profile of conversion efficiency from laser energy to hot electrons is discussed in the energy range from 100 to 600 J. For the given laser and target parameters, the nonlinear behaviour of conversion efficiency and relevant physics are also described in detail.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140612799","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
Flux and estimated spectra from a low-intensity laser-driven X-ray source 低强度激光驱动 X 射线源的通量和估计光谱
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2024-04-02 DOI: 10.1017/lpb.2024.1
L. Tyler Mix, James A. Maslow, Michael A. Jaworski, Joshua E. Coleman
{"title":"Flux and estimated spectra from a low-intensity laser-driven X-ray source","authors":"L. Tyler Mix, James A. Maslow, Michael A. Jaworski, Joshua E. Coleman","doi":"10.1017/lpb.2024.1","DOIUrl":"https://doi.org/10.1017/lpb.2024.1","url":null,"abstract":"Laser-driven X-rays as probes for high-energy-density physics spans an extremely large parameter space with laser intensities varying by 8 orders of magnitude. We have built and characterized a soft X-ray source driven by a modest intensity laser of 4 × 10<jats:sup>13</jats:sup> W/cm<jats:sup>2</jats:sup>. Emitted X-rays were measured by diamond radiation detectors and a filtered soft X-ray camera. A material-dependence study on Al, Ti, stainless steel alloy 304, Fe, Cu and Sn targets indicated 5-μm-thick Cu foils produced the highest X-ray yield. X-ray emission in the laser direction and emission in the reverse direction depend strongly on the foil material and the thickness due to the opacity and hydrodynamic disassembly time. The time-varying X-ray signals are used to measure the material thinning rate and is found to be ∼1.5 μm/ns for the materials tested implying thermal temperature around 0.6 eV. The X-ray spectra from Cu targets peaks at ∼2 keV with no emission &gt;4 keV and was estimated using images with eight different foil filters. One-dimensional hydrodynamic and spectral calculations using HELIOS-CR provide qualitative agreement with experimental results. Modest intensity lasers can be an excellent source for nanosecond bursts of soft X-rays.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2024-04-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140566973","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
Numerical Study of Carbon Nanofoam Targets for Laser-Driven Inertial Fusion Experiments 激光驱动惯性聚变实验中碳纳米泡沫靶的数值研究
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2023-09-02 DOI: 10.1155/2023/1214430
A. Maffini, M. Cipriani, D. Orecchia, V. Ciardiello, A. Formenti, F. Consoli, M. Passoni
{"title":"Numerical Study of Carbon Nanofoam Targets for Laser-Driven Inertial Fusion Experiments","authors":"A. Maffini, M. Cipriani, D. Orecchia, V. Ciardiello, A. Formenti, F. Consoli, M. Passoni","doi":"10.1155/2023/1214430","DOIUrl":"https://doi.org/10.1155/2023/1214430","url":null,"abstract":"Porous materials have peculiar characteristics that are relevant for inertial confinement fusion (ICF). Among them, chemically produced foams are proved to be able to smooth the laser inhomogeneities and to increase the coupling of the laser with the target. Foams realized with other elements and techniques may prove useful as well for ICF applications. In this work, we explore the potential of a novel class of porous materials for ICF, namely, carbon nanofoams produced with the pulsed laser deposition (PLD) technique, by means of hydrodynamic numerical simulations. By comparison with a simulation of solid-density carbon, PLD nanofoams show a higher pressure at the shock front, which could make them potential good candidates as ablators for a capsule for direct-drive fusion.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-09-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88798907","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
Helium as a Surrogate for Deuterium in LPI Studies 氦代替氘在LPI研究中的应用
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2023-08-25 DOI: 10.1155/2023/2083295
M. Geissel, A. Harvey-Thompson, M. Weis, Jefrey R. Fein, D. Ampleford, D. Bliss, Aaron M. Hansen, C. Jennings, M. Kimmel, P. Rambo, J. Shores, I. Smith, S. Speas, J. Porter
{"title":"Helium as a Surrogate for Deuterium in LPI Studies","authors":"M. Geissel, A. Harvey-Thompson, M. Weis, Jefrey R. Fein, D. Ampleford, D. Bliss, Aaron M. Hansen, C. Jennings, M. Kimmel, P. Rambo, J. Shores, I. Smith, S. Speas, J. Porter","doi":"10.1155/2023/2083295","DOIUrl":"https://doi.org/10.1155/2023/2083295","url":null,"abstract":"Helium or neopentane can be used as surrogate gas fill for deuterium (D2) or deuterium-tritium (DT) in laser-plasma interaction studies. Surrogates are convenient to avoid flammability hazards or the integration of cryogenics in an experiment. To test the degree of equivalency between deuterium and helium, experiments were conducted in the Pecos target chamber at Sandia National Laboratories. Observables such as laser propagation and signatures of laser-plasma instabilities (LPI) were recorded for multiple laser and target configurations. It was found that some observables can differ significantly despite the apparent similarity of the gases with respect to molecular charge and weight. While a qualitative behaviour of the interaction may very well be studied by finding a suitable compromise of laser absorption, electron density, and LPI cross sections, a quantitative investigation of expected values for deuterium fills at high laser intensities is not likely to succeed with surrogate gases.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80404824","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
Modeling of a Liquid Leaf Target TNSA Experiment Using Particle-In-Cell Simulations and Deep Learning 基于细胞内粒子模拟和深度学习的液体叶片靶TNSA实验建模
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2023-06-23 DOI: 10.1155/2023/2868112
B. Schmitz, Daniel Kreuter, O. Boine-Frankenheim
{"title":"Modeling of a Liquid Leaf Target TNSA Experiment Using Particle-In-Cell Simulations and Deep Learning","authors":"B. Schmitz, Daniel Kreuter, O. Boine-Frankenheim","doi":"10.1155/2023/2868112","DOIUrl":"https://doi.org/10.1155/2023/2868112","url":null,"abstract":"Liquid leaf targets show promise as high repetition rate targets for laser-based ion acceleration using the Target Normal Sheath Acceleration (TNSA) mechanism and are currently under development. In this work, we discuss the effects of different ion species and investigate how they can be leveraged for use as a possible laser-driven neutron source. To aid in this research, we develop a surrogate model for liquid leaf target laser-ion acceleration experiments, based on artificial neural networks. The model is trained using data from Particle-In-Cell (PIC) simulations. The fast inference speed of our deep learning model allows us to optimize experimental parameters for maximum ion energy and laser-energy conversion efficiency. An analysis of parameter influence on our model output, using Sobol’ and PAWN indices, provides deeper insights into the laser-plasma system.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74850018","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: 1
Forty Years of Laser-Induced Breakdown Spectroscopy and Laser and Particle Beams 激光诱导击穿光谱学、激光和粒子束的四十年
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2023-06-19 DOI: 10.1155/2023/2502152
V. Palleschi
{"title":"Forty Years of Laser-Induced Breakdown Spectroscopy and Laser and Particle Beams","authors":"V. Palleschi","doi":"10.1155/2023/2502152","DOIUrl":"https://doi.org/10.1155/2023/2502152","url":null,"abstract":"The laser-induced breakdown spectroscopy (LIBS) technique is one of the most promising laser-based analytical techniques. Coincidentally, the LIBS acronym was proposed by Radziemski and Loree in two seminal papers published in 1981, almost at the same time in which the Laser and Particle Beams journal started its publication. In this contribution, the evolution of the LIBS technique is discussed following a chronological collection of key papers in LIBS, some of which were in fact published on LPB.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84695309","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
Advances in the Study of Laser-Driven Proton-Boron Fusion 激光驱动质子-硼聚变的研究进展
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2023-06-13 DOI: 10.1155/2023/9824024
D. Batani, D. Margarone, F. Belloni
{"title":"Advances in the Study of Laser-Driven Proton-Boron Fusion","authors":"D. Batani, D. Margarone, F. Belloni","doi":"10.1155/2023/9824024","DOIUrl":"https://doi.org/10.1155/2023/9824024","url":null,"abstract":"The topic of proton-boron fusion has recently attracted considerable interest in the scientific community, both for its future perspectives for energy production and for nearer-term possibilities to realize high-brightness α-particle sources. Very interesting experimental results have been obtained, in particular in laser-driven experiments but also using other experimental approaches. The goal of this special issue is to collect the most recent developments in experiments, theory, advanced targetry, diagnostics, and numerical simulation codes.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87599696","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
Univocal Discrimination of α Particles Produced by 11B(p, α)2α Fusions in Laser-Matter Experiments by Advanced Thomson Spectrometry 激光物质实验中11B(p, α)2α聚变产生α粒子的单分辨
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2023-06-08 DOI: 10.1155/2023/7831712
M. Salvadori, M. Scisciò, G. Di Giorgio, M. Cipriani, P. Andreoli, G. Cristofari, R. De Angelis, D. Giulietti, F. Consoli
{"title":"Univocal Discrimination of α Particles Produced by 11B(p, α)2α Fusions in Laser-Matter Experiments by Advanced Thomson Spectrometry","authors":"M. Salvadori, M. Scisciò, G. Di Giorgio, M. Cipriani, P. Andreoli, G. Cristofari, R. De Angelis, D. Giulietti, F. Consoli","doi":"10.1155/2023/7831712","DOIUrl":"https://doi.org/10.1155/2023/7831712","url":null,"abstract":"The energy problem is an open issue becoming increasingly pressing. The possibility to use nuclear fusion as an alternative energy source is thus acquiring progressively more importance and many investors are pushing to achieve the goal of an electric plant based on fusion. The most studied reaction is the deuterium-tritium one, but this poses several technical issues related to the handling of the radioactive fuel and neutron generation. In this frame, the aneutronic 11B(p, α)2α fusion reaction has attracted the interest of many researchers. Despite a fusion reactor based on pB is still a long-term goal, the study of this reaction is important both for astrophysics research and for its possible employment in schemes of high brightness source of α particles for applications, as for instance in medicine. Nevertheless, the univocal identification of the produced alphas is a well-known challenging task when the reaction is triggered by high-intensity lasers. Indeed, due to the multifaceted emission typical of laser-matter interactions, the signal coming from alphas is often superimposed to that generated by protons and by other ions, and in many cases, it is therefore hardly recognizable. In this work, we analysed the possibility of employing a Thomson spectrometer (TS) with an adequate differential filtering system for the exclusion from the α-particle trace, the contribution of all other ionic species. Moreover, for the energy ranges where the filtering method cannot be successfully applied, we investigated the feasibility of integrating in the TS assembly a particle detector for time-of-flight (TOF) measurements.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75476448","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: 1
Photon and Neutron Production as In Situ Diagnostics of Proton-Boron Fusion 光子和中子的产生作为质子-硼聚变的原位诊断
IF 0.9 4区 物理与天体物理
Laser and Particle Beams Pub Date : 2023-05-08 DOI: 10.1155/2023/6924841
B. Hegelich, L. Labun, O. Z. Labun, T. Mehlhorn
{"title":"Photon and Neutron Production as In Situ Diagnostics of Proton-Boron Fusion","authors":"B. Hegelich, L. Labun, O. Z. Labun, T. Mehlhorn","doi":"10.1155/2023/6924841","DOIUrl":"https://doi.org/10.1155/2023/6924841","url":null,"abstract":"Short-pulse, ultrahigh-intensity lasers have opened new regimes for studying fusion plasmas and creating novel ultrashort ion beams and neutron sources. Diagnosing the plasma in these experiments is important for optimizing the fusion yield but difficult due to the picosecond time scales, 10 s of micron-cubed volumes, and high densities. We propose to use the yields of photons and neutrons produced by parallel reactions involving the same reactants to diagnose the plasma conditions and predict the yields of specific reactions of interest. In this work, we focus on verifying the yield of the high-interest aneutronic proton-boron fusion reaction \u0000 \u0000 \u0000 \u0000 \u0000 11\u0000 \u0000 \u0000 B\u0000 \u0000 \u0000 \u0000 \u0000 p\u0000 ,\u0000 2\u0000 α\u0000 \u0000 \u0000 \u0000 \u0000 4\u0000 \u0000 \u0000 H\u0000 e\u0000 \u0000 , which is difficult to measure directly due to the short stopping range of the produced \u0000 \u0000 α\u0000 s\u0000 \u0000 in most materials. We identify promising photon-producing reactions for this purpose and compute the ratios of the photon yield to the \u0000 \u0000 α\u0000 \u0000 yield as a function of plasma parameters. In beam-fusion experiments, the \u0000 \u0000 \u0000 \u0000 \u0000 11\u0000 \u0000 \u0000 C\u0000 \u0000 yield is an easily-measurable observable to verify the \u0000 \u0000 α\u0000 \u0000 yield. In light of our results, improving and extending measurements of the cross-sections for these parallel reactions are important steps to gain greater control over these laser-driven fusion plasmas.","PeriodicalId":49925,"journal":{"name":"Laser and Particle Beams","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75166919","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: 2
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