50 citations · 240 across the 25 of their papers we have counts for
10 papers · 1 filter
Localized-Diffusive and Ballistic-Diffusive Transitions in Kicked Incommensurate lattice
Hiroaki S. Yamada, Kensuke S. Ikeda
By using the kicked Harper model, the effect of dynamical perturbations to the localized and ballistic phases in aperiodic lattice systems is investigated. The transition from the…
Localization and delocalization properties in quasi-periodically driven one-dimensional disordered system
Hiroaki S. Yamada, Kensuke S. Ikeda
Localization and delocalization of quantum diffusion in time-continuous one-dimensional Anderson model perturbed by the quasi-periodic harmonic oscillations of colors is invest…
Localization and delocalization properties in quasi-periodically perturbed Kicked Harper and Harper models
Hiroaki S. Yamada, Kensuke S. Ikeda
We numerically study the single particle localization and delocalization phenomena of an initially localized wave packet in the kicked Harper model (KHM) and Harper model subjected…
Presence and Absence of Delocalization-localization Transition in Coherently Perturbed Disordered Lattices
Hiroaki S. Yamada, Kensuke S. Ikeda
A new type of delocalization induced by coherent harmonic perturbations in one-dimensional Anderson-localized disordered systems is investigated. With only a few frequencies a…
Dynamical Localization and Delocalization in Polychromatically Perturbed Anderson Map
Hiroaki S. Yamada, Kensuke S. Ikeda
In the previous paper [PRE 101,032210(2020)], localization and delocalization phenomena in the polychromatically perturbed Anderson map (AM) were elucidated mainly from the viewpoi…
Critical Phenomena of Dynamical Delocalization in Quantum Maps:standard map and Anderson map
Hiroaki S. Yamada, Kensuke S. Ikeda
Following the paper exploring the Anderson localization of monochromatically perturbed kicked quantum maps [Phys.Rev. E{\bf 97},012210], the delocalization-localization transition…
Changes of graph structure of transition probability matrices indicate the slowest kinetic relaxations
Teruaki Okushima, Tomoaki Niiyama, Kensuke S. Ikeda +1
Graphs of the most probable transitions for a transition probability matrix, , i.e., the time evolution matrix of the transition rate matrix over a finite time interval…
Scaling Properties of Dynamical Localization in Monochromatically Perturbed Quantum Maps: standard map and Anderson map
Hiroaki S. Yamada, Fumihiro Matsui, Kensuke S. Ikeda
Dynamical localization phenomena of monochromatically perturbed standard map (SM) and Anderson map (AM), which are both identified with a two-dimensional disordered system under su…
Critical Phenomena of Dynamical Delocalization in Quantum Anderson Map
Hiroaki S. Yamada, Fumihiro Matsui, Kensuke S. Ikeda
Using a quantum map version of one-dimensional Anderson model, the localization-delocalization transition of quantum diffusion induced by coherent dynamical perturbation is investi…
Universal Irreversibility of Normal Quantum Diffusion
Hiroaki S. Yamada, Kensuke S. Ikeda
Time-reversibility measured by the deviation of the perturbed time-reversed motion from the unperturbed one is examined for normal quantum diffusion exhibited by four classes of qu…