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

Continuous and pulsed quantum zeno effect.

Erik W Streed1, Jongchul Mun, Micah Boyd

  • 1Department of Physics, MIT-Harvard Center for Ultracold Atoms, and Research Laboratory of Electronics, MIT, Cambridge, Massachusetts 02139, USA.

Physical Review Letters
|February 7, 2007
PubMed
Summary
This summary is machine-generated.

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

Ultrasensitive Self-Powered UV Photodetector Based on a Ti/n-4H-SiC/n<sup>++</sup>-4H-SiC Double Junction.

ACS applied materials & interfaces·2026
Same author

A conveyor-belt magneto-optical trap of CaF.

Nature communications·2026
Same author

Hypersensitive Optical Position Sensing Enabled by a Double-Heterojunction Nanothin-Film Composite.

ACS applied materials & interfaces·2025
Same author

The Rayleigh-Taylor instability in a binary quantum fluid.

Science advances·2025
Same author

Coherent and Incoherent Light Scattering by Single-Atom Wave Packets.

Physical review letters·2025
Same author

Observation of Spin Squeezing with Contact Interactions in One- and Three-Dimensional Easy-Plane Magnets.

Physical review letters·2025
Same journal

Erratum: Spectroscopy and Ground-State Transfer of Ultracold Bosonic ^{39}K^{133}Cs Molecules [Phys. Rev. Lett. 135, 203401 (2025)].

Physical review letters·2026
Same journal

Erratum: Lifetime of the ^{2}F_{7/2} Level in Yb^{+} for Spontaneous Emission of Electric Octupole Radiation [Phys. Rev. Lett. 127, 213001 (2021)].

Physical review letters·2026
Same journal

Laser-Plasma Based Seeded Free Electron Laser in the High-Gain Regime.

Physical review letters·2026
Same journal

Parent Hamiltonians for Stabilizer Quantum Many-Body Scars.

Physical review letters·2026
Same journal

Properties of Heavy Cosmic Nuclei Phosphorus, Chlorine, Argon, Potassium, and Calcium: Results from the Alpha Magnetic Spectrometer.

Physical review letters·2026
Same journal

Role of Spin-Isospin Symmetries in Nuclear β-Decays.

Physical review letters·2026
See all related articles

Researchers observed the quantum Zeno effect in a Bose-Einstein condensate by suppressing oscillations between atomic states. Continuous measurements matched pulsed measurements, demonstrating effective control over quantum dynamics.

Area of Science:

  • Quantum physics
  • Atomic physics
  • Bose-Einstein condensates

Background:

  • The quantum Zeno effect describes the suppression of system evolution due to frequent measurements.
  • Bose-Einstein condensates (BECs) provide a unique platform for studying quantum phenomena due to their coherent nature.

Purpose of the Study:

  • To experimentally investigate and quantify the continuous and pulsed quantum Zeno effects.
  • To compare the effectiveness of continuous versus pulsed measurements in suppressing quantum dynamics in a BEC.

Main Methods:

  • Utilized a magnetically trapped 87Rb Bose-Einstein condensate.
  • Externally drove oscillations between two ground hyperfine states.
  • Employed resonant light for destructive measurements to monitor population in one state.

Related Experiment Videos

  • Quantified transition rate suppression using pulsed (time interval Δt) and continuous (scattering rate γ) measurements.

    • Main Results:

    • Observed suppression of oscillations between hyperfine states due to measurements.
    • Demonstrated that continuous measurements yield similar suppression to pulsed measurements at γΔt ≈ 4.
    • Showed that increasing measurement rate suppresses the transition rate significantly, down to 0.005 ΩR.

    Conclusions:

    • Experimental confirmation of the quantum Zeno effect in a Bose-Einstein condensate.
    • Validation of theoretical predictions for measurement-induced dynamics.
    • Highlighting the potential for precise control of quantum systems via measurement strategies.