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

Torque Free Motion01:15

Torque Free Motion

The torque-free motion refers to the movement of a rigid body in space when no external torques are acting upon it. This type of motion can be observed in environments where there are no external forces or frictions, like in outer space. For example, a rotation of Mars in space is a torque-free motion. Mars is an axisymmetric object, meaning it has an axis of symmetry along which it rotates, designated as the z-axis. The rotating frame of reference is defined such that the center of mass of...
Microtubule Associated Motor Proteins01:32

Microtubule Associated Motor Proteins

Eukaryotic cells have different motor proteins for transporting various cargo within the cell. These motor proteins differ based on the filament they associate with, the direction they move within the cell, and the type of cargo they transport. Motor proteins that associate with microtubules are known as microtubule-associated motor proteins. There are two families of microtubule-associated motor proteins —Kinesins and Dyneins. Both these proteins assist in the transport of cellular cargos...
Motion Of A Charged Particle In A Magnetic Field01:22

Motion Of A Charged Particle In A Magnetic Field

A charged particle experiences a force when moving through a magnetic field. Consider the field to be uniform and the charged particle to move perpendicular to it. If the field is in a vacuum, the magnetic field is the dominant factor determining the motion. Since the magnetic force is perpendicular to the direction of motion, a charged particle follows a curved path. The particle continues to follow this curved path until it forms a complete circle. Another way to look at this is that the...
Actin Treadmilling01:18

Actin Treadmilling

Actin filaments undergo polymerization and depolymerization from either end. The polymerization and depolymerization rates depend on the cytosolic concentration of free G-actins. The polymerization rate is generally higher at the plus or barbed end, while the depolymerization rate is higher at the minus or pointed end. At a steady state, critical concentration describes the concentration of free G-actin monomers at which the polymerization rate at the plus end is equal to that of the...
Torque On A Current Loop In A Magnetic Field01:13

Torque On A Current Loop In A Magnetic Field

The most common application of magnetic force on current-carrying wires is in electric motors. These consist of loops of wire, which are placed between the magnets with a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate, thus converting electrical energy to mechanical energy.
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...
Central-Force Motion01:17

Central-Force Motion

The central force system operates by exerting a force on an object directed towards a fixed point, typically the origin, with the force magnitude determined by the object's distance from this fixed point. In the context of an object with mass 'm,' polar coordinates are employed to express the equation of motion. Notably, the azimuthal component of force is nonexistent in this system. A comprehensive rewrite and integration of this equation reveal that the product of the squared radial distance...

You might also read

Related Articles

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

Sort by
Same author

Black Hole Spectroscopy and Tests of General Relativity with GW250114.

Physical review letters·2026
Same author

GW250114: Testing Hawking's Area Law and the Kerr Nature of Black Holes.

Physical review letters·2025
Same author

Frequency-Dependent Squeezed Vacuum Source for the Advanced Virgo Gravitational-Wave Detector.

Physical review letters·2023
Same author

Search for Subsolar-Mass Binaries in the First Half of Advanced LIGO's and Advanced Virgo's Third Observing Run.

Physical review letters·2022
Same author

Constraints on Cosmic Strings Using Data from the Third Advanced LIGO-Virgo Observing Run.

Physical review letters·2021
Same author

Quantum Backaction on kg-Scale Mirrors: Observation of Radiation Pressure Noise in the Advanced Virgo Detector.

Physical review letters·2020
Same journal

Interplay of Anisotropy, Dzyaloshinskii Moriya Interaction and Symmetry breaking Fields in a 2D XY Ferromagnet.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Single-molecule electron transport near a charge-trapping orbital-level alignment.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Δ<sub>T</sub>Noise as a Robust Diagnostic for Chiral, Helical and Trivial Edge Modes.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

A Quantum Framework for Negative Magnetoresistance in Multi-Weyl Semimetals.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Magnetic anisotropy and electronic structure in surface-supported single rare-earth atom magnets: a topical review.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
Same journal

Modeling thermal transport in AlN/GaN superlattices and heterostructures with machine-learned force fields.

Journal of physics. Condensed matter : an Institute of Physics journal·2026
See all related articles

Related Experiment Video

Updated: May 31, 2026

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
08:40

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging

Published on: March 13, 2019

Thermal Brownian motor.

P Meurs1, C Van den Broeck

  • 1Hasselt University, B-3590 Diepenbeek, Belgium.

Journal of Physics. Condensed Matter : an Institute of Physics Journal
|June 22, 2011
PubMed
Summary
This summary is machine-generated.

This study reviews a thermal Brownian motor, detailing its microscopic analysis. It explores macroscopic response and efficiency at maximum power for this unique device.

More Related Videos

Biophysical Characterization of Flagellar Motor Functions
06:08

Biophysical Characterization of Flagellar Motor Functions

Published on: January 18, 2017

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System
09:48

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Published on: June 30, 2018

Related Experiment Videos

Last Updated: May 31, 2026

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
08:40

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging

Published on: March 13, 2019

Biophysical Characterization of Flagellar Motor Functions
06:08

Biophysical Characterization of Flagellar Motor Functions

Published on: January 18, 2017

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System
09:48

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Published on: June 30, 2018

Area of Science:

  • Statistical Mechanics
  • Non-equilibrium Thermodynamics
  • Mesoscopic Physics

Background:

  • A novel thermal Brownian motor was recently introduced, allowing for exact microscopic analysis.
  • Brownian motors are nanoscale devices that convert random thermal fluctuations into directed motion.

Purpose of the Study:

  • To review and discuss further properties of the thermal Brownian motor.
  • To investigate the relationship between microscopic behavior and macroscopic response.
  • To analyze the efficiency of the motor at maximum power output.

Main Methods:

  • Exact microscopic analysis of the thermal Brownian motor.
  • Theoretical review and discussion of its properties.
  • Investigation of macroscopic response and efficiency.

Main Results:

  • The paper provides a detailed review of the thermal Brownian motor's characteristics.
  • It discusses the connection between the motor's microscopic details and its observable macroscopic behavior.
  • Analysis of the efficiency at maximum power is presented.

Conclusions:

  • The thermal Brownian motor offers a unique system for exact microscopic analysis.
  • Understanding its properties is crucial for advancing non-equilibrium thermodynamics and nanoscale device design.
  • Further research can explore optimizing efficiency and macroscopic response.