Quantum walk of two interacting bosons

Yoav Lahini, Mor Verbin, Sebastian D. Huber, Yaron Bromberg, Rami Pugatch, Yaron Silberberg

Research output: Contribution to journalArticlepeer-review

Abstract

We study the effect of interactions on the propagation of quantum correlations in the bosonic two-body quantum walk. The combined effect of interactions and Hanbury Brown-Twiss interference results in unique spatial correlations which depend on the strength of the interaction, but not on its sign. We experimentally measure the weak interaction limit of these effects using light propagating in a highly nonlinear photonic lattices. Finally, we propose an experimental approach to observe the strong interaction limit using few atoms in optical lattices.

Original languageEnglish
Article number011603
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume86
Issue number1
DOIs
StatePublished - 16 Jul 2012
Externally publishedYes

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