711 citations · 1.2k across the 24 of their papers we have counts for
6 papers · 1 filter
Quantum wire fracture and discrete-scale invariance
Maiko Kikuchi, Masanori Yamanaka
This paper is a study of the behavior of experimentally observed stress-strain force during the fracture of a quantum wire. The magnitude of the force oscillates as a function of t…
Propagation of Light in Cantor Media
Masanori Yamanaka, Mahito Kohmoto
We numerically find that transmission coefficients have a rich structure as a function of wavelength in Cantor media. Complete transmission and complete reflection are observed. We…
Cantor Spectra for Double Exchange Model
Atsuo Satou, Masanori Yamanaka
We numerically study energy spectra and localization properties of the double exchange model at irrational filling factor. To obtain variational ground state, we use a mumerical te…
Detecting Gapless Excitations above Ferromagnetic Domain Walls
Tohru Koma, Masanori Yamanaka
In a two or three dimensional ferromagnetic XXZ model, a low energy excitation mode above a magnetic domain wall is gapless, whereas all of the usual spin wave excitations moving a…
Resistance Jumps and Hysteresis in Ferromagnetic Wires
Tohru Koma, Masanori Yamanaka
A phenomenological approach based on the principle of minimum heat generation is proposed for understanding experiments for metallic wires with a ferromagnetic domain wall controll…
Quantization of Hall Conductance in Double Exchange Systems: Topology and Lattice Gauge Field
Atsuo Satou, Masanori Yamanaka
We study quantization conditions of the Hall conductivity for a two dimensional system described by a double exchange Hamiltonian with and without an external magnetic field. This…