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...

Atomic Force Microscopy

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...

You might also read

Related Articles

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

Sort by

Same author

A deep learning model to predict objective response to TACE and TKI-based therapy in HBV-related uHCC.

Scientific reports·2026

Same author

Hepatic Transcriptomics Reveals Sexually Dimorphic Expression of IGF/IGFR Genes Underlying Growth Differences in Spinibarbus hollandi.

Marine biotechnology (New York, N.Y.)·2026

Same author

High-frequency oscillations and sleep spindles in epilepsy: from mechanisms to modeling.

Frontiers in neurology·2026

Same author

Distribution, enrichment and provenance of <sup>137</sup>Cs, <sup>237</sup>Np and <sup>239+240</sup>Pu in shell-sand sediments from the Binzhou Shell Dike Island, China.

Marine pollution bulletin·2026

Same author

Non-pharmacological therapies for breast cancer-related lymphedema: a systematic review and network meta-analysis based on randomized controlled trials.

Frontiers in oncology·2026

Same author

An integrated platform for dual-responsive circulating tumor cells release and lipidomics revealing predictive metabolic signatures of breast cancer lung metastasis.

Colloids and surfaces. B, Biointerfaces·2026

Search research articles

Related Experiment Video

Updated: Jul 1, 2025

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Published on: May 27, 2018

Probing Quantum Phases in Ultra-High-Mobility Two-Dimensional Electron Systems Using Surface Acoustic Waves.

Mengmeng Wu¹, Xiao Liu¹, Renfei Wang¹

¹International Center for Quantum Materials, Peking University, Haidian, Beijing 100871, China.

Physical Review Letters

|March 1, 2024

Summary

Researchers observed that quantum phases become less compressible when subjected to small currents. This challenges the assumption that quantum states remain unchanged under such conditions, offering new insights into condensed matter physics.

More Related Videos

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

Related Experiment Videos

Last Updated: Jul 1, 2025

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Probing the Structure and Dynamics of Interfacial Water with Scanning Tunneling Microscopy and Spectroscopy

Published on: May 27, 2018

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy

Published on: June 28, 2016

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

Area of Science:

Condensed matter physics
Quantum mechanics
Materials science

Background:

Transport measurements are standard in condensed matter physics.
It's commonly assumed quantum phases are stable under small probing currents.
This assumption is rarely tested experimentally.

Purpose of the Study:

To experimentally investigate the effect of small currents on quantum phases.
To examine the validity of the assumption that quantum phases remain unchanged.
To explore electron system compressibility under perturbative currents.

Main Methods:

Utilized an ultra-high-mobility two-dimensional electron system.
Employed a propagating surface acoustic wave (SAW) as a probing tool.
Used acoustic power several orders of magnitude lower than previous studies.

Main Results:

Observed that quantum phases become more incompressible when hosting a perturbative current.
Demonstrated that the acoustic perturbation was smaller than the transport current.
Provided experimental evidence contradicting the assumption of quantum phase stability.

Conclusions:

Small currents can alter the incompressibility of quantum phases.
The study highlights the sensitivity of quantum phases to external perturbations.
Findings necessitate a re-evaluation of assumptions in transport measurements.