116 citations · 1.4k across the 130 of their papers we have counts for
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quant-ph2008★ 1 cited
Clear evasion of the uncertainty relation with very small probability
Kazuo Fujikawa, Koichiro Umetsu
We entertain the idea that the uncertainty relation is not a principle, but rather it is a consequence of quantum mechanics. The uncertainty relation is then a probabilistic statem…
quant-ph2008★ 14 cited
Geometric phase of a two-level system in a dissipative environment
Kazuo Fujikawa, Ming-Guang Hu
The geometric (Berry) phase of a two-level system in a dissipative environment is analyzed by using the second-quantized formulation, which provides a unified and gauge-invariant t…