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 Concept Videos

Conservation of Linear Momentum for a System of Particles01:28

Conservation of Linear Momentum for a System of Particles

492
In the dynamic realm of billiards, a fascinating interplay of forces governs the motion of cue balls and stationary balls. When the cue ball collides with a stationary ball, linear momentum is exchanged. The cue ball imparts a fraction of its linear momentum to the stationary ball, causing the cue ball to decelerate while initiating the motion of the stationary ball.
The impulsive force at play during this interaction is of extremely short duration, rendering its impulse negligible. When...
492
First Law: Particles in One-dimensional Equilibrium01:10

First Law: Particles in One-dimensional Equilibrium

7.8K
Newton's first law of motion states that a body at rest remains at rest, or if in motion, remains in motion at constant velocity, unless acted on by a net external force. It also states that there must be a cause for any change in velocity (a change in either magnitude or direction) to occur. This cause is a net external force. For example, consider what happens to an object sliding along a rough horizontal surface. The object quickly grinds to a halt, due to the net force of friction. If...
7.8K
First Law: Particles in Two-dimensional Equilibrium01:18

First Law: Particles in Two-dimensional Equilibrium

13.9K
Recall that a particle in equilibrium is one for which the external forces are balanced. Static equilibrium involves objects at rest, and dynamic equilibrium involves objects in motion without acceleration; but it is important to remember that these conditions are relative. For instance, an object may be at rest when viewed from one frame of reference, but that same object would appear to be in motion when viewed by someone moving at a constant velocity.
Newton's first law tells us about...
13.9K
Equilibrium Conditions for a Particle01:23

Equilibrium Conditions for a Particle

2.1K
When an object is in equilibrium, it is either at rest or moving with a constant velocity. There are two types of equilibrium: static and dynamic. Static equilibrium occurs when an object is at rest, while dynamic equilibrium occurs when an object is moving with a constant velocity. In both cases, there must be a balance of forces acting on the object.
To understand the concept of equilibrium, let us first consider the forces acting on an object. When different forces act on an object, they can...
2.1K
Conservation of Angular Momentum01:09

Conservation of Angular Momentum

15.7K
A system's total angular momentum remains constant if the net external torque acting on the system is zero. Considering a system that consists of n tiny particles, the angular momentum of any tiny particle may change, but the system's total angular momentum would remain constant. The principle of conservation of angular momentum only considers the net external torque acting on the system. While there are internal forces exerted by different particles within the system that also produce...
15.7K
Stability of Equilibrium Configuration01:23

Stability of Equilibrium Configuration

740
Understanding the stability of equilibrium configurations is a fundamental part of mechanical engineering. In any system, there are three distinct types of equilibrium: stable, neutral, and unstable.
A stable equilibrium occurs when a system tends to return to its original position when given a small displacement, and the potential energy is at its minimum. An example of a stable equilibrium is when a cantilever beam is fixed at one end and a weight is attached to the other end. If the weight...
740

You might also read

Related Articles

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

Sort by
Same author

Entanglement Transition in Unitary System-Bath Dynamics.

Physical review letters·2026
Same author

Random Initial Data and Average Shock Time in the Fermi-Pasta-Ulam-Tsingou Chain.

Physical review letters·2026
Same author

Ising models of cooperativity in muscle contraction.

Physical review. E·2026
Same author

Quantum Time Crystal Clock and Its Performance.

Physical review letters·2026
Same author

Disentangling Magic States with Classically Simulable Quantum Circuits.

Physical review letters·2026
Same author

Active Quantum Flocks.

Physical review letters·2026

Related Experiment Video

Updated: Jan 3, 2026

Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task
05:04

Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task

Published on: September 21, 2017

6.3K

Many-Body Synchronization in a Classical Hamiltonian System.

Reyhaneh Khasseh1,2, Rosario Fazio2,3, Stefano Ruffo4,5

  • 1Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran.

Physical Review Letters
|November 26, 2019
PubMed
Summary
This summary is machine-generated.

We discovered synchronization in Hamiltonian classical spins, a phenomenon previously only seen in driven-dissipative systems. This finding suggests a new type of period-doubling time crystal.

More Related Videos

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
11:03

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

8.9K
Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids
08:04

Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids

Published on: May 27, 2020

8.9K

Related Experiment Videos

Last Updated: Jan 3, 2026

Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task
05:04

Bouncing Ball with a Uniformly Varying Velocity in a Metronome Synchronization Task

Published on: September 21, 2017

6.3K
An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
11:03

An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids

Published on: December 4, 2017

8.9K
Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids
08:04

Excitonic Hamiltonians for Calculating Optical Absorption Spectra and Optoelectronic Properties of Molecular Aggregates and Solids

Published on: May 27, 2020

8.9K

Area of Science:

  • * Classical Mechanics
  • * Statistical Physics
  • * Quantum Dynamics

Background:

  • * Synchronization is typically observed in driven-dissipative systems.
  • * Hamiltonian dynamics usually do not exhibit sustained synchronization.
  • * Period-doubling phenomena are known in chaotic systems.

Purpose of the Study:

  • * To investigate synchronization in periodically driven, interacting classical spins with Hamiltonian dynamics.
  • * To explore the transition between synchronized and chaotic regimes.
  • * To interpret the findings in the context of time crystals.

Main Methods:

  • * Theoretical study of interacting classical spins.
  • * Analysis of Hamiltonian dynamics under periodic driving.
  • * Examination of the thermodynamic limit for system behavior.

Main Results:

  • * A transition to a synchronized regime was found where spins oscillate synchronously with a doubled driving period.
  • * A chaotic regime was identified where oscillations decay after a transient period.
  • * Synchronization was observed in both regular and chaotic dynamics.

Conclusions:

  • * Synchronization can occur in purely Hamiltonian systems, challenging previous assumptions.
  • * The observed phenomenon can be interpreted as a period-doubling time crystal.
  • * Findings broaden the understanding of synchronization and time crystals in physical systems.