Experimental nonlocal and surreal Bohmian trajectories

Dylan H Mahler, Lee Rozema, Kent Fisher, Lydia Vermeyden, Kevin J Resch, Howard M Wiseman, Aephraim Steinberg

Research output: Contribution to journalArticle (Academic Journal)peer-review

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Abstract

Weak measurement allows one to empirically determine a set of average trajectories for an ensemble of quantum particles. However, when two particles are entangled, the trajectories of the first particle can depend nonlocally on the position of the second particle. Moreover, the theory describing these trajectories, called Bohmian mechanics, predicts trajectories that were at first deemed "surreal" when the second particle is used to probe the position of the first particle. We entangle two photons and determine a set of Bohmian trajectories for one of them using weak measurements and postselection. We show that the trajectories seem surreal only if one ignores their manifest nonlocality.
Original languageEnglish
Article numbere1501466
Number of pages8
JournalScience Advances
Volume2
Issue number2
DOIs
Publication statusPublished - 19 Feb 2016

Keywords

  • weak measurementquantum measurement
  • Bohmian mechanics
  • interpretations of quantum mechanics

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