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Electronic Structure of Stripes in Two-Dimensional Hubbard Model
Masanori Ichioka, Kazushige Machida
Focusing on La_{2-x}Sr_{x}CuO_{4}, we study the stripe structure by the self-consistent mean-field theory of the Hubbard model. By introducing the realistic Fermi surface topology,…
Theory of vortex excitation imaging via an NMR relaxation measurement
Mitsuaki Takigawa, Masanori Ichioka, Kazushige Machida
The temperature dependence of the site-dependent nuclear spin relaxation time T_1 around vortices is studied in s-wave and d-wave superconductors.Reflecting low energy electronic e…
Field dependence of the vortex structure in d-wave and s-wave superconductors
Masanori Ichioka, Akiko Hasegawa, Kazushige Machida
We study the vortex structure and its field dependence within the framework of the quasi-classical Eilenberger theory to find the difference between the d_{x^2-y^2}- and s-wave pai…