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Spectral approach to transport problems in two-dimensional disordered lattices = physical interpretation and applications /

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Spectral approach to transport problems in two-dimensional disordered lattices/ by Evdokiya Georgieva Kostadinova.
Reminder of title:	physical interpretation and applications /
Author:	Kostadinova, Evdokiya Georgieva.
Published:	Cham :Springer International Publishing : : 2018.,
Description:	xiii, 107 p. :ill. (some color), digital ; : 24 cm.;
Contained By:	Springer eBooks
Subject:	Lattice dynamics. -
Online resource:	https://doi.org/10.1007/978-3-030-02212-9
ISBN:	9783030022129

Spectral approach to transport problems in two-dimensional disordered lattices = physical interpretation and applications /
Kostadinova, Evdokiya Georgieva.

Spectral approach to transport problems in two-dimensional disordered latticesphysical interpretation and applications /[electronic resource] :by Evdokiya Georgieva Kostadinova. - Cham :Springer International Publishing :2018. - xiii, 107 p. :ill. (some color), digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

Chapter1. Introduction -- Chapter2. Theoretical Background -- Chapter3. Spectral Approach -- Chapter4. Delocalization in 2D Lattices of Various Geometries -- Chapter5. Transport in the Two-Dimentional Honeycomb Lattice with Substitutional Disorder -- Chapter6. Transport in 2D Complex Plasma Crystals -- Chapter7. Conclusions.

This thesis introduces the spectral approach to transport problems in infinite disordered systems characterized by Anderson-type Hamiltonians. The spectral approach determines (with probability one) the existence of extended states for nonzero disorder in infinite lattices of any dimension and geometry. Here, the author focuses on the critical 2D case, where previous numerical and experimental results have shown disagreement with theory. Not being based on scaling theory, the proposed method avoids issues related to boundary conditions and provides an alternative approach to transport problems where interaction with various types of disorder is considered. Beginning with a general overview of Anderson-type transport problems and their relevance to physical systems, it goes on to discuss in more detail the most relevant theoretical, numerical, and experimental developments in this field of research. The mathematical formulation of the innovative spectral approach is introduced together with a physical interpretation and discussion of its applicability to physical systems, followed by a numerical study of delocalization in the 2D disordered honeycomb, triangular, and square lattices. Transport in the 2D honeycomb lattice with substitutional disorder is investigated employing a spectral analysis of the quantum percolation problem. Next, the applicability of the method is extended to the classical regime, with an examination of diffusion of lattice waves in 2D disordered complex plasma crystals, along with discussion of proposed future developments in the study of complex transport problems using spectral theory.

ISBN: 9783030022129

Standard No.: 10.1007/978-3-030-02212-9doiSubjects--Topical Terms:

672757
Lattice dynamics.

LC Class. No.: QC176.8.L3 / K678 2018

Dewey Class. No.: 530.411

Spectral approach to transport problems in two-dimensional disordered lattices = physical interpretation and applications /
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505 0 $a Chapter1. Introduction -- Chapter2. Theoretical Background -- Chapter3. Spectral Approach -- Chapter4. Delocalization in 2D Lattices of Various Geometries -- Chapter5. Transport in the Two-Dimentional Honeycomb Lattice with Substitutional Disorder -- Chapter6. Transport in 2D Complex Plasma Crystals -- Chapter7. Conclusions.
520 $a This thesis introduces the spectral approach to transport problems in infinite disordered systems characterized by Anderson-type Hamiltonians. The spectral approach determines (with probability one) the existence of extended states for nonzero disorder in infinite lattices of any dimension and geometry. Here, the author focuses on the critical 2D case, where previous numerical and experimental results have shown disagreement with theory. Not being based on scaling theory, the proposed method avoids issues related to boundary conditions and provides an alternative approach to transport problems where interaction with various types of disorder is considered. Beginning with a general overview of Anderson-type transport problems and their relevance to physical systems, it goes on to discuss in more detail the most relevant theoretical, numerical, and experimental developments in this field of research. The mathematical formulation of the innovative spectral approach is introduced together with a physical interpretation and discussion of its applicability to physical systems, followed by a numerical study of delocalization in the 2D disordered honeycomb, triangular, and square lattices. Transport in the 2D honeycomb lattice with substitutional disorder is investigated employing a spectral analysis of the quantum percolation problem. Next, the applicability of the method is extended to the classical regime, with an examination of diffusion of lattice waves in 2D disordered complex plasma crystals, along with discussion of proposed future developments in the study of complex transport problems using spectral theory.
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