Matter and Radiation at Extremes最新文献_第9页

Physical insights from imaginary-time density–density correlation functions 从虚时密度-密度相关函数的物理见解

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-09-06 DOI: 10.1063/5.0149638

T. Dornheim, Z. Moldabekov, P. Tolias, M. Böhme, J. Vorberger

{"title":"Physical insights from imaginary-time density–density correlation functions","authors":"T. Dornheim, Z. Moldabekov, P. Tolias, M. Böhme, J. Vorberger","doi":"10.1063/5.0149638","DOIUrl":"https://doi.org/10.1063/5.0149638","url":null,"abstract":"An accurate theoretical description of the dynamic properties of correlated quantum many-body systems, such as the dynamic structure factor S(q, ω), is important in many fields. Unfortunately, highly accurate quantum Monte Carlo methods are usually restricted to the imaginary time domain, and the analytic continuation of the imaginary-time density–density correlation function F(q, τ) to real frequencies is a notoriously hard problem. Here, it is argued that often no such analytic continuation is required because by definition, F(q, τ) contains the same physical information as does S(q, ω), only represented unfamiliarly. Specifically, it is shown how one can directly extract key information such as the temperature or quasi-particle excitation energies from the τ domain, which is highly relevant for equation-of-state measurements of matter under extreme conditions [T. Dornheim et al., Nat. Commun. 13, 7911 (2022)]. As a practical example, ab initio path-integral Monte Carlo results for the uniform electron gas (UEG) are considered, and it is shown that even nontrivial processes such as the roton feature of the UEG at low density [T. Dornheim et al., Commun. Phys. 5, 304 (2022)] are manifested straightforwardly in F(q, τ). A comprehensive overview is given of various useful properties of F(q, τ) and how it relates to the usual dynamic structure factor. In fact, working directly in the τ domain is advantageous for many reasons and opens up multiple avenues for future applications.","PeriodicalId":54221,"journal":{"name":"Matter and Radiation at Extremes","volume":"114 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2022-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80281190","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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: 14

Accounting for speckle-scale beam bending in classical ray tracing schemes for propagating realistic pulses in indirect drive ignition conditions 考虑在间接驱动点火条件下传播真实脉冲的经典射线追踪方案中的散斑尺度光束弯曲

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-09-02 DOI: 10.1063/5.0124360

C. Ruyer, P. Loiseau, G. Riazuelo, R. Riquier, A. Debayle, P. Masson-Laborde, O. Morice

引用次数: 0

Corrigendum to: “Incompatibility of published ac magnetic susceptibility of a room temperature superconductor with measured raw data” [Matter Radiat. Extremes 7, 048401 (2022)] “室温超导体交流磁化率与实测原始数据的不兼容性”[物质辐射]的勘误表。极端7,048401 (2022)]

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-09-01 DOI: 10.1063/5.0108683

J. Hirsch, D. van der Marel

引用次数: 0

High order modes of intense second harmonic light produced from a plasma aperture 等离子体孔径产生的强二次谐波光的高阶模

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-09-01 DOI: 10.1063/5.0097585

E. F. J. Bacon, M. King, R. Wilson, T. P. Frazer, R. Gray, P. McKenna

{"title":"High order modes of intense second harmonic light produced from a plasma aperture","authors":"E. F. J. Bacon, M. King, R. Wilson, T. P. Frazer, R. Gray, P. McKenna","doi":"10.1063/5.0097585","DOIUrl":"https://doi.org/10.1063/5.0097585","url":null,"abstract":"Because of their ability to sustain extremely high-amplitude electromagnetic fields and transient density and field profiles, plasma optical components are being developed to amplify, compress, and condition high-power laser pulses. We recently demonstrated the potential to use a relativistic plasma aperture—produced during the interaction of a high-power laser pulse with an ultrathin foil target—to tailor the spatiotemporal properties of the intense fundamental and second-harmonic light generated [Duff et al., Sci. Rep. 10, 105 (2020)]. Herein, we explore numerically the interaction of an intense laser pulse with a preformed aperture target to generate second-harmonic laser light with higher-order spatial modes. The maximum generation efficiency is found for an aperture diameter close to the full width at half maximum of the laser focus and for a micrometer-scale target thickness. The spatial mode generated is shown to depend strongly on the polarization of the drive laser pulse, which enables changing between a linearly polarized TEM01 mode and a circularly polarized Laguerre–Gaussian LG01 mode. This demonstrates the use of a plasma aperture to generate intense higher-frequency light with selectable spatial mode structure.","PeriodicalId":54221,"journal":{"name":"Matter and Radiation at Extremes","volume":"26 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81077689","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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: 3

First-principles study on the electronic structure transition of β-UH3 under high pressure 高压下β-UH3电子结构跃迁的第一性原理研究

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-09-01 DOI: 10.1063/5.0091969

Juefei Wu, Wang Yue-Chao, Yu Liu, Bo Sun, Yanhong Zhao, Jiawei Xian, Xingyu Gao, Haifeng Liu, Haifeng Song

引用次数: 3

Dream fusion in octahedral spherical hohlraum 八面体球腔的梦融合

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-09-01 DOI: 10.1063/5.0103362

K. Lan

引用次数: 17

Direct hydrogen quantification in high-pressure metal hydrides 高压金属氢化物中氢的直接定量

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-08-08 DOI: 10.1063/5.0119159

T. Meier, D. Laniel, Florian Trybel

引用次数: 0

Generation of synchronized x-rays and mid-infrared pulses by Doppler-shifting of relativistically intense radiation from near-critical-density plasmas 近临界密度等离子体相对强辐射的多普勒移位产生同步x射线和中红外脉冲

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-07-08 DOI: 10.1063/5.0116660

N. A. Mikheytsev, A. Korzhimanov

引用次数: 2

Bonding-unsaturation-dependent superconductivity in P-rich sulfides 富p硫化物中键合-不饱和相关的超导性

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-07-01 DOI: 10.1063/5.0098035

Xing Li, Xiaohua Zhang, Yong Liu, Guochun Yang

{"title":"Bonding-unsaturation-dependent superconductivity in P-rich sulfides","authors":"Xing Li, Xiaohua Zhang, Yong Liu, Guochun Yang","doi":"10.1063/5.0098035","DOIUrl":"https://doi.org/10.1063/5.0098035","url":null,"abstract":"The covalent frameworks found in certain compounds, such as the S–H skeleton in H3S and the H cage in LaH10, play an essential role in their superconductivity. These compounds have the feature of bonding unsaturation (a deficiency of electrons in their covalent bonding) in common. Developing an understanding of the relationship between superconductivity and bonding unsaturation in these materials can provide new ideas for the design of superconducting materials. In this work, we explored the high-pressure phase diagram of binary P–S compounds using first-principles swarm structural calculations. In addition to the previously reported P2S and P3S structures, we identified that P5S, P8S, and P11S also have a common structural character of six-coordinated octahedral networks; however, their bonding unsaturation are distinct due to the different valence electron numbers and unequal ratios of P and S atoms. These features provide an ideal model for exploring the bonding-unsaturation dependence of superconductivity. We estimated the average bonding unsaturation of these P-rich compounds based on the valence electron numbers and the coordination numbers of the central P/S atoms. Interestingly, the resultant average bonding unsaturation was found to be proportional to the predicted superconducting transition temperature. This finding was also verified in MH9 (M = Y, Th, and Pr) and doped H3S (Si, C, and P) compounds. Our work provides an opportunity to gain a deeper understanding of bonding-unsaturation-dependent superconductivity.","PeriodicalId":54221,"journal":{"name":"Matter and Radiation at Extremes","volume":"71 1","pages":""},"PeriodicalIF":5.1,"publicationDate":"2022-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85564848","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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: 5

Commissioning and first results from the new 2 × 100 TW laser at the WIS WIS上新的2 × 100 TW激光器的调试和第一个结果

IF 5.1 1区物理与天体物理

Matter and Radiation at Extremes Pub Date : 2022-07-01 DOI: 10.1063/5.0090514

E. Kroupp, S. Tata, Y. Wan, D. Levy, S. Smartsev, E. Levine, O. Seemann, M. Adelberg, R. Piliposian, T. Queller, E. Segre, K. Ta Phuoc, M. Kozlová, V. Malka

引用次数: 6