Results 11 to 20 of about 4,144,436 (328)

Nonlinear Scattering Matrix in Quantum Optics

open access: yesMathematics, 2023
It is well known that the scattering matrix plays an important role in quantum optics. This matrix converts the incoming characteristics of scattered radiation into output characteristics.
Dmitry Makarov   +2 more
doaj   +1 more source

General Five-Component Scattering Power Decomposition with Unitary Transformation (G5U) of Coherency Matrix

open access: yesRemote Sensing, 2023
The polarimetric synthetic aperture radar (PolSAR) provides us with a two-by-two scattering matrix data set. The ensemble averaged coherency matrix in an imaging window derived using a scattering matrix has all non-zero elements in its three-by-three ...
Rashmi Malik   +3 more
doaj   +1 more source

Scattering in Algebraic Approach to Quantum Theory—Associative Algebras

open access: yesUniverse, 2022
The definitions of scattering matrix and inclusive scattering matrix in the framework of formulation of quantum field theory in terms of associative algebras with involution are presented. The scattering matrix is expressed in terms of Green functions on
Albert Schwarz
doaj   +1 more source

Generalization of the mode-matching technique to the problems of scattering by semi-infinite slow-wave structures [PDF]

open access: yesРадиофизика и электроника, 2020
Subject and purpose. The scattering matrix of a semi-infinite slow-wave structure formed by grooves in a rectangular waveguide is investigated. The purpose was to develop a method for calculating a semi-infinite periodic structure.
S.O. Steshenko
doaj   +1 more source

Geometry and entanglement in the scattering matrix [PDF]

open access: yes, 2020
A formulation of nucleon-nucleon scattering is developed in which the S-matrix, rather than an effective-field theory (EFT) action, is the fundamental object. Spacetime plays no role in this description: the S-matrix is a trajectory that moves between RG
S. Beane, R. Farrell
semanticscholar   +1 more source

Synergistically engineered 2D MXenes for metal-ion/Li–S batteries: Progress and outlook

open access: yesMaterials Today Advances, 2022
MXenes are a two-dimensional (2D) class of transition metal carbides, nitrides, and carbonitrides that have been synthesized and developed for diverse purposes, such as energy storage devices.
N. Iqbal   +6 more
doaj   +1 more source

The Scattering Matrix of a Graph [PDF]

open access: yesThe Electronic Journal of Combinatorics, 2008
Recently, Smilansky expressed the determinant of the bond scattering matrix of a graph by means of the determinant of its Laplacian. We present another proof for this Smilansky's formula by using some weighted zeta function of a graph. Furthermore, we reprove a weighted version of Smilansky's formula by Bass' method used in the determinant expression
Hirobumi Mizuno, Iwao Sato
openaire   +3 more sources

Non-invasive focusing and imaging in scattering media with a fluorescence-based transmission matrix [PDF]

open access: yesNature Communications, 2020
In biological microscopy, light scattering represents the main limitation to image at depth. Recently, a set of wavefront shaping techniques has been developed in order to manipulate coherent light in strongly disordered materials.
Antoine Boniface   +2 more
semanticscholar   +1 more source

How to calculate the pole expansion of the optical scattering matrix from the resonant states [PDF]

open access: yesPhysical review B, 2018
We present a formulation for the pole expansion of the scattering matrix of open optical resonators, in which the pole contributions are expressed solely in terms of the resonant states, their wave numbers, and their electromagnetic fields. Particularly,
T. Weiss, E. Muljarov
semanticscholar   +1 more source

A numerical method for elastic wave scattering in multi-layered periodic media based on the scattering matrix and BEM

open access: yesMechanical Engineering Journal, 2020
This paper presents a numerical method for analyzing elastic wave scattering by multi-layered periodic structures in two dimensions. The proposed method is based on the boundary element method (BEM) and scattering matrix representing a relationship ...
Kei MATSUSHIMA   +3 more
doaj   +1 more source

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