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4 papers · 2 filters
Generalized Performance of Concatenated Quantum Codes -- A Dynamical Systems Approach
Jesse Fern, Julia Kempe, Slobodan Simic +1
We apply a dynamical systems approach to concatenation of quantum error correcting codes, extending and generalizing the results of Rahn et al. [1] to both diagonal and nondiagonal…
Coins Make Quantum Walks Faster
Andris Ambainis, Julia Kempe, Alexander Rivosh
We show how to search N items arranged on a grid in time , using a discrete time quantum walk. This result for the first time exhibits a…
Pulse-driven quantum dynamics beyond the impulsive regime
D. Daems, S. Guérin, H. R. Jauslin +2
We review various unitary time-dependent perturbation theories and compare them formally and numerically. We show that the Kolmogorov-Arnold-Moser technique performs better owing t…
Time-dependent unitary perturbation theory for intense laser driven molecular orientation
D. Sugny, A. Keller, O. Atabek +3
We apply a time-dependent perturbation theory based on unitary transformations combined with averaging techniques, on molecular orientation dynamics by ultrashort pulses. We test t…