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

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model01:09

Theories of Dissolution: The Danckwerts' Model and Interfacial Barrier Model

Various dissolution theories provide insight into the factors that influence the dissolution rate. Danckwerts' Model suggests that turbulence, rather than a stagnant layer, characterizes the dissolution medium at the solid-liquid interface. In this model, the agitated solvent contains macroscopic packets that move to the interface via eddy currents, facilitating the absorption and delivery of the drug to the bulk solution. The regular replenishment of solvent packets maintains the concentration...
Theories of Dissolution: Diffusion Layer Model01:15

Theories of Dissolution: Diffusion Layer Model

Dissolution, the process by which drug particles dissolve in a solvent, is explained by the diffusion layer model, a theoretical framework that simulates the absorption of oral drugs and allows us to analyze experimental data.
This process starts with a thin layer, saturated with the drug, forming at the interface between the solid and liquid. The solute then diffuses from this layer into the main solution. The Noyes-Whitney equation suggests that the rate of dissolution relies on the diffusion...
Electrostatic Boundary Conditions in Dielectrics01:27

Electrostatic Boundary Conditions in Dielectrics

When an electric field passes from one homogeneous medium to another, crossing the boundary between the two mediums imparts a discontinuity in the electric field. This results in electrostatic boundary conditions that depend on the type of mediums the field propagates through.
Consider a case where both the mediums across a boundary are two different dielectric materials. Recall that the electric field and electric displacement are proportional and related through the material's permittivity.
Interference and Diffraction02:18

Interference and Diffraction

Interference is a characteristic phenomenon exhibited by waves. When two electromagnetic waves interact with their peaks and troughs coinciding, a resulting wave with enhanced amplitude is produced. This is known as constructive interference. In this case, the two waves interacting are in phase with each other.
Cyclic Processes And Isolated Systems01:19

Cyclic Processes And Isolated Systems

A thermodynamic system with zero heat exchange and work is an isolated system. For these systems, the internal energy remains constant.
In the case of a non-isolated system, the change in the internal energy is zero only if the process is cyclic. A thermodynamic process is considered cyclic if the system undergoes a series of changes and returns to its initial state. 
Consider a cyclic process that returns to its initial state, undergoing a four-step process. The heat transfer along each path...
Types of Damping01:20

Types of Damping

If the amount of damping in a system is gradually increased, the period and frequency start to become affected because damping opposes, and hence slows, the back and forth motion (the net force is smaller in both directions). If there is a very large amount of damping, the system does not even oscillate; instead, it slowly moves toward equilibrium. In brief, an overdamped system moves slowly towards equilibrium, whereas an underdamped system moves quickly to equilibrium but will oscillate about...

You might also read

Related Articles

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

Sort by
Same author

Ground State Energy Fluctuations of Pinned Elastic Manifolds.

Journal of statistical physics·2026
Same author

Mean-field theory for heterogeneous random growth with redistribution.

Physical review. E·2026
Same author

Nonuniqueness of the steady state for run-and-tumble particles with a double-well interaction potential.

Physical review. E·2026
Same author

Integrability and exact large deviations of the weakly asymmetric exclusion process.

Physical review. E·2026
Same author

Stochastic porous-medium equation in one dimension.

Physical review. E·2025
Same author

Integrable matrix probabilistic diffusions and the matrix stochastic heat equation.

Physical review. E·2025

Related Experiment Video

Updated: Jun 1, 2026

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress
09:20

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress

Published on: October 31, 2016

Rings and boxes in dissipative environments.

Yoav Etzioni1, Baruch Horovitz, Pierre Le Doussal

  • 1Department of Physics, Ben Gurion University, Beer Sheva, Israel.

Physical Review Letters
|May 24, 2011
PubMed
Summary
This summary is machine-generated.

We studied a particle on a ring with dissipation and found quantized relaxation resistance. A large dissipation parameter flows to a fixed point, enabling quantized noise measurement in a proposed box experiment.

More Related Videos

A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing
08:29

A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing

Published on: August 10, 2018

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment
06:50

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment

Published on: December 29, 2014

Related Experiment Videos

Last Updated: Jun 1, 2026

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress
09:20

The Assembly and Application of 'Shear Rings': A Novel Endothelial Model for Orbital, Unidirectional and Periodic Fluid Flow and Shear Stress

Published on: October 31, 2016

A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing
08:29

A 3D-printed Chamber for Organic Optoelectronic Device Degradation Testing

Published on: August 10, 2018

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment
06:50

The Use of the Puzzle Box as a Means of Assessing the Efficacy of Environmental Enrichment

Published on: December 29, 2014

Area of Science:

  • Condensed matter physics
  • Quantum mechanics
  • Environmental effects on quantum systems

Background:

  • The behavior of quantum systems interacting with dissipative environments is crucial for understanding decoherence.
  • The Caldeira-Leggett model describes a quantum system coupled to a harmonic bath, representing dissipation.
  • The Coulomb blockade phenomenon in quantum dots offers a platform to study charge transport and dissipation.

Purpose of the Study:

  • To investigate the response of a particle on a ring to a DC field in a dissipative environment.
  • To analyze the quantization of relaxation resistance in the context of the Coulomb box model.
  • To propose an experimental method for measuring quantized noise.

Main Methods:

  • Utilizing a 2-loop renormalization group analysis to study the dissipation parameter.
  • Reexamining the mapping between the particle-on-a-ring system and the Coulomb box.
  • Theoretical derivation of relaxation resistance and noise properties.

Main Results:

  • A large dissipation parameter (η) flows to a fixed point (η(R) = η(c) = ℏ/2π).
  • The relaxation resistance is quantized for large dissipation parameters.
  • For finite dissipation (η > η(c)), a specific average of the relaxation resistance is quantized.

Conclusions:

  • The study reveals a universal fixed point for dissipation in this quantum system.
  • Quantization of relaxation resistance is a significant finding for quantum transport.
  • The proposed experiment offers a novel way to measure quantized noise, with potential applications in quantum metrology.