161 citations · 776 across the 86 of their papers we have counts for
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math-ph2010
Canonical form of the Evolution Operator of a Time-Dependent Hamiltonian in the Three Level System
Kazuyuki Fujii
In this paper we study the evolution operator of a time-dependent Hamiltonian in the three level system. The evolution operator is based on and its dimension is , so we…
math-ph2010★ 1 cited
A Generalization of the Lamb-Bateman Integral Equation and Fractional Derivatives : A Comment
Kazuyuki Fujii
In this note a generalization of the Lamb-Bateman integral equation is presented and its solution is given in terms of {\bf fractional derivatives}. This is a comment one to the pa…
math-ph2010★ 7 cited
Riccati Diagonalization of Hermitian Matrices
Kazuyuki Fujii, Hiroshi Oike
In this paper a geometric method based on Grassmann manifolds and matrix Riccati equations to make hermitian matrices diagonal is presented. We call it Riccati Diagonalization.