Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Phase Transitions: Vaporization and Condensation

Phase Transitions: Vaporization and Condensation

The physical form of a substance changes on changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. Vaporization occurs when the thermal motion of the molecules overcome the intermolecular forces, and the molecules (at the surface) escape into the gaseous state. When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase molecules...

Standing Waves in a Cavity

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

Oscillations about an Equilibrium Position

Oscillations about an Equilibrium Position

Stability is an important concept in oscillation. If an equilibrium point is stable, a slight disturbance of an object that is initially at the stable equilibrium point will cause the object to oscillate around that point. For an unstable equilibrium point, if the object is disturbed slightly, it will not return to the equilibrium point. There are three conditions for equilibrium points—stable, unstable, and half-stable. A half-stable equilibrium point is also unstable, but is named so because...

Phase Transitions

Phase Transitions

A phase transition is the process in which a substance changes from one state of matter to another, like from a solid to a liquid, liquid to gas, or vice versa, at a specific temperature and under given pressure conditions. This change is spontaneous and is affected by alterations in temperature and pressure. These parameters impact the strength of the forces between molecules (intermolecular forces) in the substance.During a phase transition, both the initial and final phases of the substance...

Phase Transitions

Phase Transitions

Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to occupy...

Oscillations In An LC Circuit

Oscillations In An LC Circuit

An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by

You might also read

Related Articles

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

Sort by

Same author

Dissipation and Decay of Three-Dimensional Holographic Quantum Turbulence.

Physical review letters·2025

Same author

Imaging quantized vortex rings in superfluid helium to evaluate quantum dissipation.

Nature communications·2023

Same author

Universal Anomalous Diffusion of Quantized Vortices in Ultraquantum Turbulence.

Physical review letters·2022

Same author

Visualization of quantized vortex reconnection enabled by laser ablation.

Science advances·2022

Same author

Fully Coupled Two-Fluid Dynamics in Superfluid ^{4}He: Anomalous Anisotropic Velocity Fluctuations in Counterflow.

Physical review letters·2020

Same author

Torque and Angular-Momentum Transfer in Merging Rotating Bose-Einstein Condensates.

Physical review letters·2020

Search research articles

Related Experiment Video

Updated: Jul 17, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Dynamical vortex phases in a Bose-Einstein condensate driven by a rotating optical lattice.

Kenichi Kasamatsu¹, Makoto Tsubota

¹Department of General Education, Ishikawa National College of Technology, Tsubata, Ishikawa 929-0392, Japan.

Physical Review Letters

|February 7, 2007

Summary

We simulated vortex dynamics in trapped Bose-Einstein condensates within rotating optical lattices. Changing parameters revealed diverse vortex phases, governed by force balances and interactions, including a vortex-liquid phase.

More Related Videos

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Related Experiment Videos

Last Updated: Jul 17, 2026

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Cooling an Optically Trapped Ultracold Fermi Gas by Periodical Driving

Published on: March 30, 2017

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Area of Science:

Quantum physics
Condensed matter physics

Background:

Bose-Einstein condensates (BECs) exhibit complex quantum phenomena.
Vortex dynamics in BECs are crucial for understanding superfluidity.
Optical lattices provide a tunable environment to study BECs.

Purpose of the Study:

To investigate vortex dynamics in a trapped Bose-Einstein condensate.
To explore the influence of a rotating optical lattice on vortex behavior.
To characterize the different dynamical phases of vortices.

Main Methods:

Numerical simulations were employed to model the system.
The potential amplitude of the optical lattice was varied.
The relative rotation frequency between the condensate and lattice was systematically changed.

Main Results:

A rich variety of dynamical vortex phases were observed.
The transitions between phases are governed by the force balance between driving, pinning, and vortex-vortex interactions.
An incommensurate effect, driven by faster lattice rotation, leads to a vortex-liquid phase.

Conclusions:

The study reveals complex vortex dynamics in rotating optical lattices.
Force balance and interactions dictate the observed vortex phases.
Dissipation plays a key role in supporting the vortex-liquid phase under specific conditions.