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quant-ph2014
A note on the runtime of a faulty Hamiltonian oracle
Kristan Temme
In these notes we show that it is impossible to obtain a quantum speedup for a faulty Hamiltonian oracle. The effect of dephasing noise to this continuous time oracle model has fir…
quant-ph2014★ 52 cited
Hypercontractivity of quasi-free quantum semigroups
Kristan Temme, Fernando Pastawski, Michael J. Kastoryano
Hypercontractivity of a quantum dynamical semigroup has strong implications for its convergence behavior and entropy decay rate. A logarithmic Sobolev inequality and the correspond…