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PROPAGATORS: 作品数：13被引量：6H指数：1; 导出分析报告; 相关领域：理学更多>>; 相关期刊：《Science China Earth Sciences》《Journal of Modern Physics》《International Journal of Modeling, Simulation, and Scientific Computing》《Communications in Theoretical Physics》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家教育部博士点基金中国博士后科学基金更多>>

Principal Equatorial Null Geodesic Congruences in the Kerr Metric, and Their Quantum Propagators: 《Journal of High Energy Physics, Gravitation and Cosmology》2024年第3期906-917,共12页Josué G. Mateos Trujillo Miguel Socolovsky; Using the Raychaudhuri equation, we associate quantum probability amplitudes (propagators) to equatorial principal ingoing and outgoing null geodesic congruences in the Kerr metric. The expansion scalars diverge at th...; 关键词：Kerr Metric Principal Null Geodesics PROPAGATORS

How to Explicitly Calculate Feynman and Wheeler Propagators in the ADS/CFT Correspondence: 《Journal of Modern Physics》2020年第2期304-323,共20页Angelo Plastino Mario C. Rocca; We discuss, giving all necessary details, the boundary-bulk propagators. We do it for a scalar field, with and without mass, for both the Feynman and the Wheeler cases. Contrary to standard procedure, we do not need h...; 关键词：ADS/CFT CORRESPONDENCE Boundary-Bulk PROPAGATORS Feynman’s PROPAGATORS Wheeler’s PROPAGATORS

Three-loop vacuum integral with four-propagators using hypergeometry: 《Chinese Physics C》2019年第8期33-45,共13页Zhi-Hua Gu Hai-Bin Zhang; Supported partly by the National Natural Science Foundation of China(NNSFC)(11535002,11705045);the youth top-notch talent support program of the Hebei Province; A hypergeometric function is proposed to calculate the scalar integrals of Feynman diagrams. In this study, we verify the equivalence between the Feynman parametrization and the hypergeometric technique for the scalar...; 关键词：FEYNMAN DIAGRAM SCALAR INTEGRAL hypergeometry

Exact Propagator of a Two Dimensional Anisotropic Harmonic Oscillator in the Presence of a Magnetic Field: 《Journal of Modern Physics》2017年第4期500-510,共11页Jose M. Cerveró; In this paper we solve exactly the problem of the spectrum and Feynman propagator of a charged particle submitted to both an anharmonic oscillator in the plane and a constant and homogeneous magnetic field of arbitrar...; 关键词：Quantum MECHANICS Path INTEGRALS and PROPAGATORS

Numerical integration of rotation with geometry propagators: 《International Journal of Modeling, Simulation, and Scientific Computing》2016年第3期150-170,共21页Jianhua Tang Linfang Qian Qiang Yin; Commutator free method is an effective method for solving rotating integration.Numerical examples show that the use of the proposed combining method can achieve the same order accuracy with less computation than other...; 关键词：Runge-Kutta method geometry propagators commutator free method

Reverse-feeding effect of epidemic by propagators in two-layered networks: 《Chinese Physics B》2016年第2期544-552,共9页吴大宇赵艳萍郑木华周杰刘宗华; Project supported by the National Natural Science Foundation of China(Grant Nos.11135001,11375066,and 11405059);the National Basic Key Program of China(Grant No.2013CB834100); Epidemic spreading has been studied for a long time and is currently focused on the spreading of multiple pathogens,especially in multiplex networks. However, little attention has been paid to the case where the mutua...; 关键词：PROPAGATORS complex network two pathogens epidemic spreading

Feynman integrals and hypergeometric functions: 《International Journal of Modeling, Simulation, and Scientific Computing》2014年第S01期1-13,共13页Héctor Luna García Luz María García; We review Davydychev method for calculating Feynman integrals for massive and no massive propagators,by employing Mellin-Barnes transformation and the dimensional regularization scheme,same that lead to hypergeometric...; 关键词：Quantum field theory PROPAGATORS dimensional regularization Mellin-Barnes integrals

On analytic formulas of Feynman propagators in position space被引量：1: 《Chinese Physics C》2010年第10期1576-1582,共7页ZHANG Hong-Hao FENG Kai-Xi QIU Si-Wei ZHAO An LI Xue-Song; Supported by Specialized Research Fund for Doctoral Program of Higher Education (SRFDP) (200805581030);Sun Yet-Sen University Science Foundation and Fundamental Research Funds for the Central Universities; We correct an inaccurate result of previous work on the Feynman propagator in position space of a free Dirac field in （3 ＋ 1）-dimensional spacetime; we derive the generalized analytic formulas of both the scalar Fe...; 关键词：Feynman propagator Klein-Gordon field Dirac field arbitrary dimensional spacetime

Quantitative assessment of the complexity of geological structures in terms of seismic propagators被引量：4: 《Science China Earth Sciences》2010年第1期54-63,共10页FU LiYun Key Laboratory of the Earth’s Deep Interior,Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China; supported by National Basic Research Program (Grant No.2006CB202306);Knowledge Innovation Program of the Chinese Academy of Sciences (Grant No.KZCX2-YW-101); How a wave interacts with heterogeneous media has been pursued by many geophysicists.The complexity of subsurface heterogeneities is seismologically a relative concept to wavelengths of seismic waves.A growing percept...; 关键词：GEOLOGICAL heterogeneity SPECTRA SEISMIC IMAGING propagator’s angular SPECTRA IMAGING efficiency COMPLEXITY coefficient

Amplitude Compensation for One-Way Wave Propagators in Inhomogeneous Media and its Application to Seismic Imaging被引量：1: 《Communications in Computational Physics》2008年第1期203-221,共19页Jun Cao Ru-Shan Wu; TheWKBJ solution for the one-waywave equations inmediawith smoothly varying velocity variation with depth,c(z),is reformulated from the principle of energy flux conservation for acoustic media.The formulation is then ...; 关键词：Propagator amplitude image amplitude WKBJ BEAMLET local angle domain seismic imaging

PROPAGATORS