Jove
Visualize
Contact Us

Related Concept Videos

The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

61.6K
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.
61.6K
Quantum Numbers02:43

Quantum Numbers

54.2K
It is said that the energy of an electron in an atom is quantized; that is, it can be equal only to certain specific values and can jump from one energy level to another but not transition smoothly or stay between these levels.
54.2K
Fermi Level Dynamics01:12

Fermi Level Dynamics

971
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...
971
Time and frequency -Domain Interpretation of Phase-lead Control01:24

Time and frequency -Domain Interpretation of Phase-lead Control

511
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
511
Time and frequency -Domain Interpretation of PI Control01:27

Time and frequency -Domain Interpretation of PI Control

474
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
474

You might also read

Related Articles

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

Sort by
Same author

Harnessing Nth Root Gates for Energy Storage.

Entropy (Basel, Switzerland)·2024
Same author

Trapped atoms in spatially-structured vector light fields.

Scientific reports·2023
Same author

Coherent Transfer of Transverse Optical Momentum to the Motion of a Single Trapped Ion.

Physical review letters·2023
Same author

Approximating quantum thermodynamic properties using DFT.

Journal of physics. Condensed matter : an Institute of Physics journal·2022
Same author

Optical Superresolution Sensing of a Trapped Ion's Wave Packet Size.

Physical review letters·2021
Same author

Imaging Trapped Ion Structures via Fluorescence Cross-Correlation Detection.

Physical review letters·2021
Same journal

Research on a Regional Availability Evaluation Model for Road-Area High-Entropy Energy Based on Synergy Factors.

Entropy (Basel, Switzerland)·2026
Same journal

Atmospheric Turbulence Channel Modeling and Performance Analysis of a CO-ZP-OFDM Coherent Optical Communication System for UAV Air-to-Ground Scenarios.

Entropy (Basel, Switzerland)·2026
Same journal

Information Geometry and Asymptotic Theory for SMML Estimators.

Entropy (Basel, Switzerland)·2026
Same journal

Correlation Entropy and Power-Law Kinetics.

Entropy (Basel, Switzerland)·2026
Same journal

Research on the Contagion of Systemic Financial Risk Under the Impact of Climate Risks-From the Perspective of Complex Networks and Machine Learning.

Entropy (Basel, Switzerland)·2026
Same journal

The Statistical-Mechanical Meaning of the Wave Function of Quantum Mechanics.

Entropy (Basel, Switzerland)·2026
See all related articles
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 Experiment Video

Updated: Mar 29, 2026

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

Fractional Control Gate Protocols for Quantum Engines.

Elliot John Fox1, Taysa Mendes de Mendonça2, Ferdinand Schmidt-Kaler3

  • 1School of Physics, Engineering and Technology, University of York, York YO10 5DD, UK.

Entropy (Basel, Switzerland)
|March 28, 2026
PubMed
Summary
This summary is machine-generated.

Nth-root gates enhance quantum heat engine performance by leveraging quantum coherence. This method achieves high work extraction efficiency, up to 100%, by imprinting coherence into qubits.

Keywords:
quantum computationquantum heat enginequantum protocolsquantum thermodynamicswork

More Related Videos

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

15.5K
Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

17.1K

Related Experiment Videos

Last Updated: Mar 29, 2026

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
Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping
14:58

Silicon Metal-oxide-semiconductor Quantum Dots for Single-electron Pumping

Published on: June 3, 2015

15.5K
Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots
15:47

Nanofabrication of Gate-defined GaAs/AlGaAs Lateral Quantum Dots

Published on: November 1, 2013

17.1K

Area of Science:

  • Quantum Computing
  • Quantum Thermodynamics
  • Quantum Information Science

Background:

  • Quantum heat engines offer a novel approach to energy conversion at the quantum level.
  • Controlling quantum systems with precision is crucial for harnessing their potential in thermodynamic processes.

Purpose of the Study:

  • To investigate the application of Nth-root gates in quantum thermodynamic protocols.
  • To analyze the impact of quantum coherence on the performance of a quantum heat engine.
  • To compare different circuit designs for optimizing work production and efficiency.

Main Methods:

  • Utilized Nth-root gates for controlled two-qubit operations within quantum thermodynamic protocols.
  • Designed and compared two- and three-qubit circuits for a quantum heat engine.
  • Assessed maximum work production and efficiency, considering quantum coherence as a key parameter.

Main Results:

  • Quantum coherence in qubits significantly boosts maximum work production and engine efficiency across various circuits.
  • A novel protocol using fractional control gates achieved 84% to 100% work extraction efficiency.
  • A strong linear correlation was found between work production and many-body correlations generated by the gates.

Conclusions:

  • Nth-root gates are effective for paced quantum operations in thermodynamic protocols.
  • Imprinting quantum coherence into qubits is a key strategy for enhancing quantum heat engine performance.
  • Fractional control gates offer a highly efficient method for work extraction in quantum systems.