107 citations · 212 across the 10 of their papers we have counts for
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Decay of a quasi-stable quantum system and quantum backflow
Wytse van Dijk, F. Masafumi Toyama
The decay of quasi-stable quantum system involves primarily an outgoing probability current density. However, during the transition from exponential to inverse-power-law decay ther…
Additive decomposition of iterative quantum search operations in the Grover-type algorithm
F. M. Toyama, W. van Dijk
In the Grover-type quantum search process a search operator is iteratively applied, say, k times, on the initial database state. We present an additive decomposition scheme such th…
Multi-phase matching in the Grover algorithm
F. M. Toyama, W. van Dijk, Y. Nogami +2
Phase matching has been studied for the Grover algorithm as a way of enhancing the efficiency of the quantum search. Recently Li and Li found that a particular form of phase matchi…
Decay process accelerated by tunneling in its very early stage
T. Koide, F. M. Toyama
We examine a fast decay process that arises in the transition period between the Gaussian and exponential decay processes in quantum decay systems. It is usually expected that the…
Bohmian description of a decaying quantum system
Y. Nogami, F. M. Toyama, W. van Dijk
We present a Bohmian description of a decaying quantum system. A particle is initially confined in a region around the origin which is surrounded by a repulsive potential barrier.…