Scientific Results

Quantum simulation of bosonic-fermionic noninteracting particles in disordered systems via a quantum walk

Year: 2014

Authors: De Nicola F., Sansoni L., Crespi A., Ramponi R., Osellame R., Giovannetti V., Fazio R., Mataloni P., Sciarrino F.

Autors Affiliation: Sapienza Universita di Roma, Piazzale Aldo Moro 5, Roma;
Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche (IFN-CNR), Piazza Leonardo da Vinci 32 Milano;
Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, Milano;
Scuola Normale Superiore and Istituto di Nanoscienze–CNR, I-56126 Pisa;
Center for Quantum Technologies, National University of Singapore;
Istituto Nazionale di Ottica, Consiglio Nazionale delle Ricerche (INO-CNR), Largo Enrico Fermi 6, Firenze

Abstract: We report on the theoretical analysis of bosonic and fermionic noninteracting systems in a discrete two-particle quantum walk affected by different kinds of disorder. We considered up to 100-step quantum walks with a spatial, temporal, and spatial-temporal disorder observing how the randomness and the wave-function symmetry nontrivially affect the final spatial probability distribution, the transport properties, and the Shannon entropy of the walkers.

Journal/Review: PHYSICAL REVIEW A

Volume: 89 (3)      Pages from: 032322  to: 032322

More Information: This project was supported by FIRB-Futuro in Ricerca HYTEQ, PRIN 2009, and ERC 3D-QUEST.
DOI: 10.1103/PhysRevA.89.032322

Citations: 14
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English