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

The de Broglie Wavelength

The de Broglie Wavelength

In the macroscopic world, objects that are large enough to be seen by the naked eye follow the rules of classical physics. A billiard ball moving on a table will behave like a particle; it will continue traveling in a straight line unless it collides with another ball, or it is acted on by some other force, such as friction. The ball has a well-defined position and velocity or well-defined momentum, p = mv, which is defined by mass m and velocity v at any given moment. This is the typical...

Stability of Equilibrium Configuration: Problem Solving

Stability of Equilibrium Configuration: Problem Solving

The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...

Stability of Equilibrium Configuration

Stability of Equilibrium Configuration

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...

First Law: Particles in One-dimensional Equilibrium

First Law: Particles in One-dimensional Equilibrium

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 we...

Equilibrium Conditions for a Particle

Equilibrium Conditions for a Particle

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...

Second Law of Thermodynamics

Second Law of Thermodynamics

In the quest to identify a property that may reliably predict the spontaneity of a process, a promising candidate has been identified: entropy. Processes that involve an increase in entropy of the system (ΔS > 0) are very often spontaneous; however, examples to the contrary are plentiful. By expanding consideration of entropy changes to include the surroundings, a significant conclusion regarding the relation between this property and spontaneity may be reached. In thermodynamic models, the...

You might also read

Related Articles

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

Sort by

Same author

Generalization of Quantum-Trajectory Surface Hopping to Multiple Quantum States.

Journal of chemical theory and computation·2025

Same author

Nonadiabatic Coupling-Induced Quantum Coherence in Two-Dimensional Materials.

The journal of physical chemistry letters·2024

Same author

A first principles derivation of energy-conserving momentum jumps in surface hopping simulations.

The Journal of chemical physics·2023

Same author

Zombie cats on the quantum-classical frontier: Wigner-Moyal and semiclassical limit dynamics of quantum coherence in molecules.

The Journal of chemical physics·2023

Same author

Classical and nonclassical effects in surface hopping methodology for simulating coupled electronic-nuclear dynamics.

Faraday discussions·2019

Same author

Tribute to William P. Reinhardt.

The journal of physical chemistry. A·2019

Search research articles

Related Experiment Video

Updated: Jun 5, 2026

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

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

Published on: December 4, 2017

Communication: Decoherence in a nonequilibrium environment: an analytically solvable model.

Craig C Martens¹

¹University of California, Irvine, California 92697-2025, USA. cmartens@uci.edu

The Journal of Chemical Physics

|January 5, 2011

Summary

This summary is machine-generated.

We present a solvable model for quantum decoherence in nonequilibrium environments. Initial phase patterns of bath modes can control decoherence, offering new environmental control strategies.

More Related Videos

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

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

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

Published on: May 27, 2020

Related Experiment Videos

Last Updated: Jun 5, 2026

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

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

Published on: December 4, 2017

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

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

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

Published on: May 27, 2020

Area of Science:

Quantum Physics
Chemical Physics
Statistical Mechanics

Background:

Quantum decoherence typically studied in equilibrium environments.
Nonequilibrium environments, like those with ultrafast excitation, present unique challenges.
Understanding environmental influence on quantum systems is crucial.

Purpose of the Study:

To develop an analytically solvable model for quantum decoherence in a driven, nonequilibrium environment.
To investigate the role of environmental initial conditions on decoherence dynamics.
To explore potential control mechanisms for quantum decoherence.

Main Methods:

Modeling a quantum system coupled to a bath driven from equilibrium.
Representing the environment's nonequilibrium response using a nonstationary random function.
Analyzing the decay of off-diagonal density matrix elements based on initial phase patterns.

Main Results:

Decoherence decay is significantly influenced by the initial phase pattern of the bath modes.
The model demonstrates an analytically solvable approach to quantum decoherence.
Environmental initial phases directly impact the rate and nature of decoherence.

Conclusions:

Quantum decoherence in nonequilibrium environments is controllable via specific initial phase configurations.
This work suggests a pathway for manipulating quantum system evolution by tailoring environmental properties.
The findings have implications for quantum information processing and understanding complex quantum dynamics.