Related Experiment Video
Updated: Mar 24, 2026

Simultaneous Long-term Recordings at Two Neuronal Processing Stages in Behaving Honeybees
Published on: July 21, 2014
Experimental nonlocal and surreal Bohmian trajectories
Dylan H Mahler1, Lee Rozema1, Kent Fisher2
1Centre for Quantum Information and Quantum Control, Department of Physics, University of Toronto, 60 Saint George Street, Toronto, Ontario M5S 1A7, Canada.; Canadian Institute for Advanced Research, 180 Dundas Street West, Suite 1400, Toronto, Ontario M5G 1Z8, Canada.
Quantum entanglement reveals nonlocal Bohmian mechanics trajectories. Researchers show these "surreal" paths are only apparent when ignoring the interconnectedness of entangled particles.
Area of Science:
- Quantum mechanics
- Quantum entanglement
- Bohmian mechanics
Background:
- Weak measurement enables empirical determination of quantum particle trajectories.
- Entangled particles exhibit nonlocal dependencies in their trajectories.
- Bohmian mechanics predicts seemingly "surreal" trajectories under specific probing conditions.
Purpose of the Study:
- To investigate Bohmian trajectories of entangled photons using weak measurements.
- To demonstrate the role of nonlocality in understanding these quantum trajectories.
Main Methods:
- Entangling two photons.
- Employing weak measurements and postselection.
- Determining Bohmian trajectories for one photon.
Main Results:
- Observed Bohmian trajectories for entangled photons.
- Demonstrated that trajectories appear surreal only when nonlocality is disregarded.
- Confirmed the nonlocal influence of the second particle on the first particle's trajectory.
Conclusions:
- The apparent "surreal" nature of Bohmian trajectories in entangled systems is an artifact of ignoring nonlocality.
- Weak measurements provide empirical evidence for nonlocal effects in quantum mechanics.
- Bohmian mechanics accurately describes quantum phenomena, including nonlocal influences.
More Related Videos
11:03An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
Published on: December 4, 2017
09:46MPI CyberMotion Simulator: Implementation of a Novel Motion Simulator to Investigate Multisensory Path Integration in Three Dimensions
Published on: May 10, 2012
Related Concept Videos
Orthogonal Trajectories
Classical Mechanics
First Law: Particles in Two-dimensional Equilibrium
Newton's first law tells us about...
Non-uniform Circular Motion
For example, such...
The Uncertainty Principle
Oscillations about an Equilibrium Position