1.1k citations · 4.6k across the 91 of their papers we have counts for
3 papers · 1 filter
An improved formalism for the Grover search algorithm
James M. Chappell, M. A. Lohe, Lorenz von Smekal +2
The Grover search algorithm is one of the two key algorithms in the field of quantum computing, and hence it is of significant interest to describe it in the most efficient mathema…
A Precise Error Bound for Quantum Phase Estimation
James M. Chappell, Max A. Lohe, Lorenz von Smekal +2
Quantum phase estimation is one of the key algorithms in the field of quantum computing, but up until now, only approximate expressions have been derived for the probability of err…
An Analysis of the Quantum Penny Flip Game using Geometric Algebra
James M. Chappell, Azhar Iqbal, M. A. Lohe +1
We analyze the quantum penny flip game using geometric algebra and so determine all possible unitary transformations which enable the player Q to implement a winning strategy. Geom…