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quant-ph2003★ 12 cited
On the one-particle reduced density matrices of a pure three-qutrit quantum state
Atsushi Higuchi
We present a necessary and sufficient condition for three qutrit density matrices to be the one-particle reduced density matrices of a pure three-qutrit quantum state. The conditio…
quant-ph1998
Radiation reaction in quantum mechanics
Atsushi Higuchi
The Lorentz-Dirac radiation reaction formula predicts that the position shift of a charged particle due to the radiation reaction is of first order in acceleration if it undergoes…