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Momentum switches
- Autor(en)
- Andrew M. Childs, David Gosset, Daniel Nagaj, Mouktik Raha, Zak Webb
- Abstrakt
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.
- Organisation(en)
- Quantenoptik, Quantennanophysik und Quanteninformation
- Externe Organisation(en)
- University of Waterloo (UW), Slovak Academy of Sciences (SAS), Indian Institute of Technology Kharagpur
- Journal
- Quantum Information & Computation
- Band
- 15
- Seiten
- 601-621
- Anzahl der Seiten
- 21
- ISSN
- 1533-7146
- Publikationsdatum
- 05-2015
- Peer-reviewed
- Ja
- ÖFOS 2012
- 103025 Quantenmechanik
- Schlagwörter
- Link zum Portal
- https://ucrisportal.univie.ac.at/de/publications/683cdc9d-f711-4366-a08d-f53138c52fa5