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PROPAGATOR: 作品数：79被引量：48H指数：3; 导出分析报告; 相关领域：理学更多>>; 相关作者：何润李向阳刘斌张丰麒郭智奇更多>>; 相关机构：中国石油大学（北京）中国地质科学院中国石油化工集团公司中国地质大学（北京）更多>>; 相关期刊：《Journal of Earth Science and Engineering》《Earthquake Science》《Science China Mathematics》《Chinese journal of nuclear physics》更多>>; 相关基金：国家自然科学基金国家教育部博士点基金国家重点基础研究发展计划中国博士后科学基金更多>>

Path Integral Approach to the Interaction of Two-Electron Atoms with Elliptically Polarized Pulses: 《Journal of Applied Mathematics and Physics》2024年第11期3655-3678,共24页Emmanouil George Thrapsaniotis; We study the dynamics of a two-electron atom interacting with a pulsed, elliptically polarized, ultrashort, excited coherent state. We use path integral methods and integrate on the photonic part. We angularly decompo...; 关键词：HELIUM Path Integrals Angular Decomposition Sign Solved Propagator Elliptic Polarization

Viscoacoustic generalized screen propagator in constant-Q model: 《Petroleum Science》2024年第4期2356-2369,共14页Zhong-Kui Dai Jia-Chun You Xing-Guo Huang Wei Liu; financially supported by the National Natural Science Foundation of China (grant Nos.42004103,42374149);Sichuan Science and Technology Program (grant No.2023NSFSC0257);CNPC Innovation Found (2022DQ02-0306)。; When seismic waves propagate through the geological formation,there is a significant loss of energy and a decrease in imaging resolution,because of the viscoacoustic properties of subsurface medium.This profoundly imp...; 关键词：One-way wave equation Viscoacoustic wave equation Generalized screen propagator Attenuation and dispersion effects

Dynamics of a Quantum Dissipative System Coupled with an Oscillator: 《Journal of Applied Mathematics and Physics》2024年第4期1472-1491,共20页Emmanouil George Thrapsaniotis; We study the dynamics of a quantum dissipative system. Besides its linear coupling with a harmonic bath modelling the dissipation, we suppose that it is coupled with an oscillator with an interaction of the form s 2 x...; 关键词：Double Well Harmonic Bath OSCILLATOR Influence Functional Sign Solved Propagator POSITION

SOME CONVERGENCE PROBLEMS REGARDING THE FRACTIONAL SCHRODINGER PROPAGATOR ON NONCOMPACT MANIFOLDS: 《Acta Mathematica Scientia》2023年第5期2309-2319,共11页潘亚丽; supported partly by the NationalNatural Science Foundation of China(12071437);the Natural Science Foundation from the Education Department of Anhui Province(KJ2020A0044);the Research Fund Project of Chaohu University(KYQD-2023016);the High Level Scientific Research Achievement Award Cultivation Project of Chaohu University(kj20zkjp04);the Key Construction Discipline of Chaohu University(kj22zdjsxk01)。; Let L be the Laplace-Beltrami operator.On an n-dimensional(n≥2),complete,noncompact Riemannian manifold M,we prove that if 0<α<1,s>α/2 and f∈Hs(M),then the fractional Schr?dinger propagator e(it|L|α/2)(f)(x)→f(x...; 关键词：Schrodinger propagator noncompact manifolds SPECTRA

Evaluation of Different Substrates Compositions for Acclimatization of Tissue Culture Taro Plantlets in a Propagator: 《Agricultural Sciences》2023年第7期925-938,共14页Evelyn Bi Manju Victorine Yaya Fornkwav Irene Bonsiysi Bam Raissa Akwa Tima; Taro is cultivated in most Regions of Cameroon and it is affected by taro leaf blight disease since 2010 which has decreased its production. Lack of disease-free planting materials has been a main problem to farmers. ...; 关键词：Taro Tissue Culture Plantlets Substrates ACCLIMATIZATION PROPAGATOR

Dimension decomposition algorithm for multiple source localization using uniform circular array被引量：1: 《Journal of Systems Engineering and Electronics》2023年第3期650-660,共11页SU Xiaolong HU Panhe WEI Zhenhua LIU Zhen SHI Junpeng LI Xiang; supported by the National Natural Science Foundation of China(62022091,61921001).; A dimension decomposition(DIDE)method for multiple incoherent source localization using uniform circular array(UCA)is proposed.Due to the fact that the far-field signal can be considered as the state where the range p...; 关键词：source localization parameter estimation uniform circular array(UCA) PROPAGATOR partial derivative least squares(LS)

Guided Wave Propagation in Multilayered Two-dimensional Quasicrystal Plates with Imperfect Interfaces被引量：1: 《Acta Mechanica Solida Sinica》2022年第4期694-704,共11页Xin Feng Liangliang Zhang Zhiming Hu Han Zhang Yang Gao; supported by the National Natural Science Foundation of China(Grant Nos.11972365,12102458,and 11972354);China Agricultural University Education Foundation(No.1101-2412001).; An analytical solution of the guided wave propagation in a multilayered twodimensional decagonal quasicrystal plate with imperfect interfaces is derived.According to the elastodynamic equations of quasicrystals(QCs),t...; 关键词：Two-dimensional QC materials Wave propagation Dispersion curve State vector approach Propagator matrix Imperfect interface

Nearfield acoustic holography in a moving medium based on particle velocity input using nonsingular propagator: 《Chinese Physics B》2022年第2期414-422,共9页Bi-Chun Dong Run-Mei Zhang Bin Yuan Chuan-Yang Yu; supported by the National Natural Science Foundation of China(Grant No.11804002);the University Science Research Project of Anhui Province,China(Grant Nos.KJ2019A0792 and KJ2019A0797);the Anhui Jianzhu University Research Project(Grant No.2018QD06)。; Nearfield acoustic holography in a moving medium is a technique which is typically suitable for sound sources identification in a flow.In the process of sound field reconstruction,sound pressure is usually used as the...; 关键词：nearfield acoustic holography moving medium particle velocity nonsingular propagator

Angular Decomposition and Sign Solved Propagator of the 2D and 3D Helium Atom Path Integrals: 《Journal of Applied Mathematics and Physics》2022年第2期538-557,共20页Emmanouil George Thrapsaniotis; In the present paper on the one hand we apply the central limit theorem to the solution of the sign problem of a path integral of two-interacting particles in potential and give an expression for the sign solved propa...; 关键词：PROPAGATOR Angular Decomposition Sign Problem Central Limit Theorem 3D Helium 2D Helium

Solving the time-dependent Schrödinger equation by combining smooth exterior complex scaling and Arnoldi propagator被引量：1: 《Chinese Physics B》2022年第1期227-234,共8页Shun Wang Wei-Chao Jiang; the National Natural Science Foundation of China(Grant Nos.12074265 and 11804233).; Abstract We develop a highly efficient scheme for numerically solving the three-dimensional time-dependent Schrödinger equation of the single-active-electron atom in the field of laser pulses by combining smooth exter...; 关键词：time-dependent Schrödinger equation(TDSE) smooth exterior complex scaling(SECS)absorb-ing method Arnoldi propagator

PROPAGATOR