108 citations · 1k across the 67 of their papers we have counts for
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Isotope shift of the ferromagnetic transition temperature in itinerant ferromagnets
Takashi Yanagisawa, Izumi Hase, Kosuke Odagiri
We present a theory of the isotope effect of the Curie temperature in itinerant ferromagnets. The isotope effect in ferromagnets occurs via the electron-phonon vertex c…
Crossover from weakly to strongly correlated regions in the two-dimensional Hubbard model -- Off-diagonal wave function Monte Carlo studies of Hubbard model II --
Takashi Yanagisawa
The ground state of the two-dimensional (2D) Hubbard model is investigated by adopting improved wave functions that take into account intersite electron correlation beyond the Gutz…
Nambu-Goldstone-Leggett modes in multi-condensate superconductors
Takashi Yanagisawa
Multi-gap superconductors exhibit interesting properties. In an -gap superconductor, we have in general phase invariance. This multiple-phase invariance is partially or…
Chiral sine-Gordon model
Takashi Yanagisawa
We investigate the chiral sine-Gordon model using the renormalization group method. The chiral sine-Gordon model is a model for -valued fields and describes a new class of phase…