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

NMR Spectrometers: Resolution and Error Correction01:14

NMR Spectrometers: Resolution and Error Correction

1.1K
When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
1.1K
Free Energy Changes for Nonstandard States03:25

Free Energy Changes for Nonstandard States

13.8K
The free energy change for a process taking place with reactants and products present under nonstandard conditions (pressures other than 1 bar; concentrations other than 1 M) is related to the standard free energy change according to this equation:
13.8K
The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

61.4K
Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
61.4K
Propagation of Uncertainty from Systematic Error01:10

Propagation of Uncertainty from Systematic Error

1.6K
The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
1.6K
¹H NMR: Interpreting Distorted and Overlapping Signals01:02

¹H NMR: Interpreting Distorted and Overlapping Signals

1.7K
Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are...
1.7K
Fermi Level Dynamics01:12

Fermi Level Dynamics

950
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
950

You might also read

Related Articles

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

Sort by
Same author

Multivariate analysis of short time series in terms of ensembles of correlation matrices.

Scientific reports·2018
Same author

First experimental realization of the Dirac oscillator.

Physical review letters·2013
Same author

Microwave fidelity studies by varying antenna coupling.

Physical review. E, Statistical, nonlinear, and soft matter physics·2011
Same author

Surprising relations between parametric level correlations and fidelity decay.

Physical review letters·2008
Same author

Nonperiodic echoes from mushroom billiard hats.

Physical review. E, Statistical, nonlinear, and soft matter physics·2007
Same author

Anomalous slow fidelity decay for symmetry-breaking perturbations.

Physical review letters·2006

Related Experiment Video

Updated: Mar 21, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

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

Published on: May 30, 2014

15.2K

A generalized fidelity amplitude for open systems.

T Gorin1, H J Moreno2, T H Seligman3

  • 1Departamento de Física, Universidad de Guadalajara, Guadalajara, Jalísco, México thomas.gorin@cucei.udg.mx.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|May 4, 2016
PubMed
Summary

We show how central system coherences can probe open quantum dynamics in an intermediate system. This method uses fidelity amplitudes and a derived master equation, validated against simulations of chaotic dynamics.

Keywords:
fidelitymaster equationopen quantum systemquantum Loschmidt echorandom matrix theory

More Related Videos

Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

13.3K
Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.8K

Related Experiment Videos

Last Updated: Mar 21, 2026

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
09:23

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

Published on: May 30, 2014

15.2K
Gradient Echo Quantum Memory in Warm Atomic Vapor
10:00

Gradient Echo Quantum Memory in Warm Atomic Vapor

Published on: November 11, 2013

13.3K
Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

9.8K

Area of Science:

  • Quantum mechanics
  • Quantum information theory
  • Open quantum systems

Background:

  • Investigates a central system coupled to an intermediate open system, which is further coupled to a distant environment.
  • Explores the role of composite environments in influencing quantum system dynamics and decoherence.

Purpose of the Study:

  • To derive a master equation for the dynamics of an intermediate system coupled to a central system and a composite environment.
  • To demonstrate the use of measurable coherences in the central system as a tool for probing open quantum dynamics in the intermediate system.

Main Methods:

  • Formulation of coherences as fidelity amplitudes in a perturbed echo dynamics within the composite environment.
  • Derivation of a master equation using the Born-Markov approximation.
  • Comparison of analytical results with random matrix simulations for chaotic dynamics.

Main Results:

  • A master equation is derived, reducing the dynamics to the intermediate system.
  • Measurable coherences in the central system are identified as a probe for intermediate system dynamics.
  • Analytical results are validated against simulations for chaotic dynamics in the near environment.

Conclusions:

  • The study provides a theoretical framework for using central system coherences to investigate open quantum dynamics.
  • The derived master equation offers a method to study the reduced dynamics of the intermediate system.
  • The findings highlight a novel approach for probing quantum environments through measurable system properties.