Spectral and transmission properties of periodic 1D tight-binding lattices with a generic unit cell: an analysis within the transfer matrix approach
K Lambropoulos, C Simserides - Journal of Physics …, 2018 - iopscience.iop.org
We report on the electronic structure, density of states and transmission properties of the
periodic one-dimensional tight-binding (TB) lattice with a single orbital per site and nearest …
periodic one-dimensional tight-binding (TB) lattice with a single orbital per site and nearest …
Controlled engineering of extended states in disordered systems
We describe how to engineer wave-function delocalization in disordered systems modeled
by tight-binding Hamiltonians in d> 1 dimensions. We show analytically that a simple …
by tight-binding Hamiltonians in d> 1 dimensions. We show analytically that a simple …
Tight-binding chains with off-diagonal disorder: Bands of extended electronic states induced by minimal quasi–one-dimensionality
It is shown that an entire class of off-diagonally disordered linear lattices composed of two
basic building blocks and described within a tight-binding model can be tailored to generate …
basic building blocks and described within a tight-binding model can be tailored to generate …
Complete absence of localization in a family of disordered lattices
B Pal, SK Maiti, A Chakrabarti - Europhysics Letters, 2013 - iopscience.iop.org
We present analytically exact results to show that certain quasi–one-dimensional lattices,
where the building blocks are arranged in a random fashion, can have an absolutely …
where the building blocks are arranged in a random fashion, can have an absolutely …
[HTML][HTML] Engineering bands of extended electronic states in a class of topologically disordered and quasiperiodic lattices
B Pal, A Chakrabarti - Physics Letters A, 2014 - Elsevier
We show that a discrete tight-binding model representing either a random or a quasiperiodic
array of bonds can have the entire energy spectrum or a substantial part of it absolutely …
array of bonds can have the entire energy spectrum or a substantial part of it absolutely …
Localization of wave packets in one-dimensional random potentials
JPR Valdes, T Wellens - Physical Review A, 2016 - APS
We study the expansion of an initially strongly confined wave packet in a one-dimensional
weak random potential with short correlation length. At long times, the expansion of the …
weak random potential with short correlation length. At long times, the expansion of the …
Absolutely continuous energy bands in the electronic spectrum of quasiperiodic ladder networks
B Pal, A Chakrabarti - Physica E: Low-dimensional Systems and …, 2014 - Elsevier
The energy spectra of quasi-one-dimensional quasiperiodic ladder networks are analyzed
within a tight binding description. In particular, we show that if a selected set of sites in each …
within a tight binding description. In particular, we show that if a selected set of sites in each …
[PDF][PDF] 一维转移矩阵中元素间关系的探讨
史义龙， 娄平 - 大学物理, 2007 - dxwl.bnu.edu.cn
一维转移矩阵中元素间的关系可以通过多种方法求解. 本文首先介绍了在V ()=(一)
条件下求解转移矩阵中元素间关系的一般方法, 即在确定的字称下如何找出元素间的具体关系; …
条件下求解转移矩阵中元素间关系的一般方法, 即在确定的字称下如何找出元素间的具体关系; …
Transfer efficiency enhancement and eigenstate properties in locally symmetric disordered finite chains
The impact of local reflection symmetry on wave localization and transport within finite
disordered chains is investigated. Local symmetries thereby play the role of a spatial …
disordered chains is investigated. Local symmetries thereby play the role of a spatial …
Parametrization of Transfer Matrix: for One-Dimensional Anderson Model with Diagonal Disorder
K Kai, Q Shao-Jing, W Chui-Lin - Communications in Theoretical …, 2010 - iopscience.iop.org
In this paper, we developed a new parametrization method to calculate the localization
length in one-dimensional Anderson model with diagonal disorder. This method can avoid …
length in one-dimensional Anderson model with diagonal disorder. This method can avoid …