qpms/lepaper/arrayscat.lyx

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\pdf_title "Multiple-scattering T-matrix approach in nanophotonics"
\pdf_author "Marek Nečada"
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\begin_layout Title
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-matrix simulations in finite and infinite systems of electromagnetic scatterers
(TODO better title)
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Excerpt from the SIAM Journal of Scientific Computing Editorial Policy:
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The purpose of SIAM Journal on Scientific Computing (SISC) is to advance
computational methods for solving scientific and engineering problems.
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SISC papers are classified into three categories:
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Methods and Algorithms for Scientific Computing: Papers in this category
may include theoretical analysis, provided that the relevance to applications
in science and engineering is demonstrated.
They should contain meaningful computational results and theoretical results
or strong heuristics supporting the performance of new algorithms.
\end_layout
\begin_layout Itemize
Computational Methods in Science and Engineering: Papers in this section
will typically describe novel methodologies for solving a specific problem
in computational science or engineering.
They should contain enough information about the application to orient
other computational scientists but should omit details of interest mainly
to the applications specialist.
\end_layout
\begin_layout Itemize
Software and High-Performance Computing: Papers in this category should
concern the novel design and development of computational methods and high-qual
ity software, parallel algorithms, high-performance computing issues, new
architectures, data analysis, or visualization.
The primary focus should be on computational methods that have potentially
large impact for an important class of scientific or engineering problems.
\end_layout
\end_deeper
\begin_layout Quotation
Authors are encouraged to indicate which category best fits their SISC submissio
n.
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\begin_layout Quotation
All submissions to SISC must be well written and accessible to a wide variety
of readers, and should represent a clear advance in the state of the art.
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\begin_layout Quotation
Due to space limitations, articles are normally limited to 20 journal pages.
Exceptions can be made in special cases only with the concurrence of the
referees, the associate editor, and the editor-in-chief.
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Category: Methods and Algorithms for Scientific Computing?
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\begin_layout Abstract
The (somewhat underrated) T-matrix multiple scattering method (TMMSM) can
be used to solve the electromagnetic response of systems consisting of
many compact scatterers, retaining a good level of accuracy while using
relatively few of degrees of freedom, largely surpassing other methods
in the number of scatterers it can deal with.
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\begin_layout Abstract
Here we extend the method to infinite periodic structures using Ewald-type
lattice summation, and we exploit the possible symmetries of the structure
to further improve its efficiency.
(SHOULD I MENTION ALSO THE CROSS SECTION FORMULAS IN THE ABSTRACT?)
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\begin_layout Abstract
We release a modern implementation of the method, including the theoretical
improvements presented here, under GNU General Public Licence.
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Outline
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Intro:
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\begin_deeper
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problem of optical response of nanoparticle arrays
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\begin_layout Itemize
application domain of my method, computational complexity
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brief comparison of complexities with the
\begin_inset Quotes eld
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old-fashioned
\begin_inset Quotes erd
\end_inset
(FEM, FDTD)
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my implementation
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Finite systems:
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\begin_deeper
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motivation (classes of problems that this can solve: response to external
radiation, resonances, ...)
\end_layout
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theory
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\end_inset
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\begin_deeper
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T-matrix definition, basics
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\end_inset
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\begin_deeper
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How to get it?
\end_layout
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translation operators (TODO think about how explicit this should be, but
I guess it might be useful to write them to write them explicitly (but
in the shortest possible form) in the normalisation used in my program)
\end_layout
\begin_layout Itemize
employing point group symmetries and decomposing the problem to decrease
the computational complexity (maybe separately)
\end_layout
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Example results (or maybe rather in the end)
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Infinite lattices:
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\begin_deeper
\begin_layout Itemize
motivation (dispersion relations / modes, ...?)
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\begin_layout Itemize
theory
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\begin_deeper
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Ewald sum of translation operators (again, we shall see how explicit expressions
it will take to not make it too repulsive)
\end_layout
\begin_layout Itemize
singularities and convergence (TODO)
\end_layout
\begin_layout Itemize
applications: mode problem with SVD, transmision/reflection
\end_layout
\begin_layout Itemize
space group symmetries (again, maybe all the symmetry-related stuff separately?)
\end_layout
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Example results (or maybe all in the end)
\end_layout
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Topology related stuff (TODO)?
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My implementation.
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Maybe put the numerical results separately in the end.
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TODOs
\end_layout
\begin_layout Itemize
Consistent notation of balls.
How is the difference between two cocentric balls called?
\end_layout
\begin_layout Itemize
It could be nice to include some illustration (example array) to the introductio
n.
Put a specific example of how large system are we able to simulate?
\end_layout
\begin_layout Itemize
Maybe mention that in infinite systems, it can be also much faster than
other methods.
\end_layout
\begin_layout Itemize
Translation operators: rewrite in sph.
harm.
convention independent form.
\end_layout
\begin_layout Itemize
Truncation notation.
\end_layout
\begin_layout Itemize
Example results!
\end_layout
\begin_layout Itemize
Figures.
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Concrete comparison with other methods.
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Fix and unify notation (mainly indices) in infinite lattices section.
\end_layout
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Carefully check the transformation directions in sec.
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The text about symmetries is pretty dense.
Make it more explanatory and human-readable.
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Check whether everything written is correct also for non-symmorphic space
groups.
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