3 citations · 5 across the 3 of their papers we have counts for
3 papers
cond-mat.str-el2022★ 3 cited
A path integral derivation of the equations of anomalous Hall effect
Kazuo Fujikawa, Koichiro Umetsu
A path integral (Lagrangian formalism) is used to derive the effective equations of motion of the anomalous Hall effect with Berry's phase on the basis of the adiabatic condition $…
quant-ph2014
A hidden-variables version of Gisin's theorem
Kazuo Fujikawa, Koichiro Umetsu
It is generally assumed that {\em local realism} represented by a noncontextual and local hidden-variables model in such as the one used by Bell always gives rise to CHSH ine…
hep-th2010★ 2 cited
Recent Attempts in the Analysis of Black Hole Radiation
Koichiro Umetsu
In this thesis, we first present a brief review of black hole radiation which is commonly called Hawking radiation. The existence of Hawking radiation by itself is well established…