scholarly journals A fast solver for multi-particle scattering in a layered medium

2014 ◽  
Vol 22 (17) ◽  
pp. 20481 ◽  
Author(s):  
Jun Lai ◽  
Motoki Kobayashi ◽  
Leslie Greengard
Keyword(s):  
Layered Medium ◽  
Particle Scattering ◽  
Fast Solver

Influence of particle scattering on photo biochemical transformation process of direct absorption methane digester

2021 ◽  
Vol 321 ◽  
pp. 124460
Author(s):  
Jingbo Qu ◽  
Yong Sun ◽  
Yuyingnan Liu ◽  
Changyu Liu ◽  
Guoxiang Zheng ◽  
...  
Keyword(s):  
Transformation Process ◽  
Particle Scattering ◽  
Direct Absorption

scholarly journals Pentagon functions for scattering of five massless particles

2020 ◽  
Vol 2020 (12) ◽  
Author(s):  
D. Chicherin ◽  
V. Sotnikov
Keyword(s):  
Phase Space ◽  
Numerical Evaluation ◽  
Public Library ◽  
Basis Set ◽  
Particle Scattering ◽  
Minimal Basis ◽  
Feynman Integrals ◽  
Analytic Expressions ◽  
Transcendental Functions ◽  
Branch Cuts

Abstract We complete the analytic calculation of the full set of two-loop Feynman integrals required for computation of massless five-particle scattering amplitudes. We employ the method of canonical differential equations to construct a minimal basis set of transcendental functions, pentagon functions, which is sufficient to express all planar and nonplanar massless five-point two-loop Feynman integrals in the whole physical phase space. We find analytic expressions for pentagon functions which are manifestly free of unphysical branch cuts. We present a public library for numerical evaluation of pentagon functions suitable for immediate phenomenological applications.

Dispersion of Love waves in prestressed double-layered medium over a gravitating half-space

2020 ◽  
Vol 13 (13) ◽  
Author(s):  
Bishwanath Prasad ◽  
Santimoy Kundu ◽  
Prakash Chandra Pal ◽  
Parvez Alam
Keyword(s):  
Half Space ◽  
Layered Medium ◽  
Love Waves
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