Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Communication cost of simulating Bell correlations.

B F Toner1, D Bacon

  • 1Institute for Quantum Information, California Institute of Technology, Pasadena, CA 91125, USA. toner@theory.caltech.edu

Physical Review Letters
|November 13, 2003
PubMed
Summary

Simulating quantum correlations requires minimal classical resources. Local hidden variables plus one bit of communication can exactly simulate Bell pair measurements and single-qubit teleportation.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Phase transitions in random circuit sampling.

Nature·2024
Same author

Dynamics of magnetization at infinite temperature in a Heisenberg spin chain.

Science (New York, N.Y.)·2024
Same author

Stable quantum-correlated many-body states through engineered dissipation.

Science (New York, N.Y.)·2024
Same author

Formation of robust bound states of interacting microwave photons.

Nature·2022
Same author

Noise-resilient edge modes on a chain of superconducting qubits.

Science (New York, N.Y.)·2022
Same author

Demonstrating a Continuous Set of Two-Qubit Gates for Near-Term Quantum Algorithms.

Physical review letters·2020

Area of Science:

  • Quantum Information Science
  • Foundations of Quantum Mechanics
  • Classical Simulation of Quantum Systems

Background:

  • Quantum correlations, such as those in entangled Bell states, challenge classical intuition.
  • Understanding the classical resources needed to simulate quantum phenomena is crucial for quantum information processing.
  • Local hidden variable models provide a classical framework for explaining correlations.

Purpose of the Study:

  • To determine the minimal classical resources necessary for simulating quantum correlations.
  • To investigate the classical simulation of local projective measurements on entangled states.
  • To assess whether quantum teleportation experiments can be described by local hidden variable models.

Main Methods:

  • Analysis of local projective measurements on entangled Bell pair states.
  • Development of a local hidden variable model augmented with classical communication.
  • Evaluation of the model's ability to reproduce quantum correlations.

Main Results:

  • Exact simulation of Bell pair measurements is achievable with local hidden variables and a single bit of classical communication.
  • This demonstrates that certain quantum correlations do not inherently require quantum resources for simulation.
  • Single-qubit quantum teleportation experiments are shown to admit a local hidden variables model.

Conclusions:

  • Quantum correlations, even in fundamental cases like Bell states, can be simulated using surprisingly limited classical resources.
  • The findings suggest a nuanced relationship between quantum correlations and classical descriptions.
  • The possibility of local hidden variable models for specific quantum protocols has significant implications for understanding quantum mechanics.

Related Experiment Videos