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Published in 2018 at "Inverse Problems"
DOI: 10.1088/1361-6420/aaaf7f
Abstract: We consider a backscattering Born approximation for a perturbed biharmonic operator in three space dimensions. Previous results on this approach for biharmonic operator use the fact that the coefficients are real-valued to obtain reconstruction of…
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Keywords:
recovery singularities;
operator;
backscattering born;
born approximation ... See more keywords
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Published in 2019 at "Inverse Problems"
DOI: 10.1088/1361-6420/ab15f3
Abstract: Time harmonic inverse scattering using accurate forward models is often computationally expensive. On the other hand, the use of computationally efficient solvers, such as the Born approximation, may fail if the targets do not satisfy…
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Keywords:
inverse scattering;
born approximation;
bayesian approach;
approximation ... See more keywords
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Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.100.053846
Abstract: Achieving exact unidirectional invisibility in a finite frequency band has been an outstanding problem for many years. We offer a simple solution to this problem in two dimensions that is based on our solution to…
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Keywords:
two dimensions;
unidirectional invisibility;
born approximation;
broadband unidirectional ... See more keywords
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Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.063839
Abstract: Light scattering is one of the most important elementary processes in near-field optics. We build up the Born series for scattering by dielectric bodies with step boundaries. The Green function for a 2-dimensional homogeneous dielectric…
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Keywords:
scattering dielectric;
bodies born;
dielectric bodies;
light scattering ... See more keywords
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Published in 2018 at "Physical Review A"
DOI: 10.1103/physreva.98.022706
Abstract: The elastic scattering of twisted electrons by neutral atoms is studied within the fully relativistic framework. The electron-atom interaction is taken into account in all orders, thus allowing us to explore high-order effects beyond the…
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Keywords:
elastic scattering;
scattering twisted;
born approximation;
twisted electrons ... See more keywords
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Published in 2023 at "Physical Review B"
DOI: 10.1103/physrevb.107.205416
Abstract: In this study we investigate the effect of random point disorder on the surface states of a topological insulator with out-of-plane magnetization. We consider the disorder within a high order Born approximation. The Born series…
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Keywords:
states topological;
born approximation;
surface states;
strong disorder ... See more keywords