



@article {1259,
	title = {Momentum switches},
	journal = {Quantum Information and Computation},
	volume = {15},
	year = {2015},
	month = {2015/05/01},
	pages = {601-621},
	abstract = {  Certain continuous-time quantum walks can be viewed as scattering processes.
These processes can perform quantum computations, but it is challenging to
design graphs with desired scattering behavior. In this paper, we study and
construct momentum switches, graphs that route particles depending on their
momenta. We also give an example where there is no exact momentum switch,
although we construct an arbitrarily good approximation.
},
	url = {http://arxiv.org/abs/1406.4510v1},
	author = {Andrew M. Childs and David Gosset and Daniel Nagaj and Mouktik Raha and Zak Webb}
}
