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

The de Broglie Wavelength02:32

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...
Atomic Nuclei: Types of Nuclear Relaxation01:28

Atomic Nuclei: Types of Nuclear Relaxation

Nuclear relaxation restores the equilibrium population imbalance and can occur via spin–lattice or spin–spin mechanisms, which are first-order exponential decay processes.
In spin–lattice or longitudinal relaxation, the excited spins exchange energy with the surrounding lattice as they return to the lower energy level. Among several mechanisms that contribute to spin–lattice relaxation, magnetic dipolar interactions are significant. Here, the excited nucleus transfers energy to a nearby...

You might also read

Related Articles

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

Sort by
Same author

Low Free Testosterone Is Independently Associated With Long-Term Mortality in Men With Chronic Spinal Cord Injury.

Andrology·2026
Same author

Time-Linear Quantum Transport Simulations with Correlated Nonequilibrium Green's Functions.

Physical review letters·2023
Same author

Real-Time GW: Toward an Ab Initio Description of the Ultrafast Carrier and Exciton Dynamics in Two-Dimensional Materials.

Physical review letters·2022
Same author

Floquet Topological Phase of Nondriven p-Wave Nonequilibrium Excitonic Insulators.

Physical review letters·2020
Same author

Ultrafast Quantum Interference in the Charge Migration of Tryptophan.

The journal of physical chemistry letters·2020
Same author

First-Principles Nonequilibrium Green's Function Approach to Ultrafast Charge Migration in Glycine.

Journal of chemical theory and computation·2019

Related Experiment Video

Updated: Jun 28, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

Unconventional quasiparticle lifetime in graphene.

J González1, E Perfetto

  • 1Instituto de Estructura de la Materia, Consejo Superior de Investigaciones Científicas, Serrano 123, 28006 Madrid, Spain.

Physical Review Letters
|November 13, 2008
PubMed
Summary

The lifetime of electronic states in graphene can be long at low energies. Hybrid states near the charge neutrality point exhibit a slow decay, impacting transport properties.

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Quantum Mechanics

Background:

  • Graphene's electronic properties are crucial for next-generation electronics.
  • Understanding electron-phonon interactions is key to predicting material behavior.
  • Low-energy electronic state lifetimes in graphene require further investigation.

Purpose of the Study:

  • To determine the maximum lifetime of electronic states in graphene at low energies.
  • To investigate many-body effects and electron-phonon coupling at the K point.
  • To explore the implications for graphene's transport properties.

Main Methods:

  • Theoretical study of many-body effects at the K point of graphene's spectrum.
  • Analysis of electron-hole pair coupling with out-of-plane phonons.

More Related Videos

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials
10:36

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials

Published on: January 21, 2016

Related Experiment Videos

Last Updated: Jun 28, 2026

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities
11:42

Fabrication of Gate-tunable Graphene Devices for Scanning Tunneling Microscopy Studies with Coulomb Impurities

Published on: July 24, 2015

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices
11:24

Optimized Fabrication Procedure for High-Quality Graphene-based Moiré Superlattice Devices

Published on: July 11, 2025

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials
10:36

Advanced Experimental Methods for Low-temperature Magnetotransport Measurement of Novel Materials

Published on: January 21, 2016

  • Investigation of hybrid states below the electron-hole continuum near charge neutrality.

    • Main Results:

    • Discovery of a soft branch of hybrid states below the electron-hole continuum.
    • Demonstration of an inverse lifetime proportional to the cube of quasiparticle energy.
    • Identification of a crossover in transport properties due to varying decay rates.

    Conclusions:

    • Graphene exhibits exceptionally long electronic state lifetimes at low energies.
    • Hybrid states significantly influence charge carrier dynamics near the charge neutrality point.
    • Observed crossover in transport properties highlights the transition from phonon-mediated to acoustic phonon-mediated decay.