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

Energy Diagrams - II

Energy Diagrams - II

Energy diagrams are important to understand the dynamics of a system. The topology of an energy diagram helps illustrate the equilibrium points of the system.
The point in the energy diagram at which the system’s potential energy is the lowest is known as the local minima. The system tends to stay in this position indefinitely unless acted upon by a net force. The slope of the potential energy diagram at the local minima is zero, indicating that zero net force is acting on the system. The slope...

The Pauli Exclusion Principle

The Pauli Exclusion Principle

The arrangement of electrons in the orbitals of an atom is called its electron configuration. We describe an electron configuration with a symbol that contains three pieces of information:

DNA Topoisomerases

DNA Topoisomerases

Topoisomerases are enzymes that relax overwound DNA molecules during various cell processes, including DNA replication and transcription. These enzymes regulate positive and negative DNA supercoiling without changing the nucleotide sequence. DNA overwinding in a clockwise direction results in positively supercoiled DNA, whereas underwinding in a counterclockwise direction produces negatively supercoiled DNA.
Types and Mechanism of action
Topoisomerases are divided into two main types. Type I...

Region of Convergence of Laplace Tarnsform

Region of Convergence of Laplace Tarnsform

The Region of Convergence (ROC) is a fundamental concept in signal processing and system analysis, particularly associated with the Laplace transform. The ROC represents an area in the complex plane where the Laplace transform of a given signal converges, determining the transform's applicability and utility.
Consider a decaying exponential signal that begins at a specific time. When deriving its Laplace transform, the time-domain variable is replaced with a complex variable. This substitution...

Local Attraction

Local Attraction

Local attraction refers to disturbances in compass readings caused by magnetic influences from nearby objects such as metal fences, buried pipes, vehicles, buildings, power lines, or natural iron ore deposits. Small items like wristwatches, steel tools, or belt buckles can also interfere with the compass by creating local magnetic fields that distort the Earth's natural magnetic field. These distortions lead to inaccurate readings, posing navigation and land surveying challenges.Local...

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...

You might also read

Related Articles

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

Sort by

Same author

Giant and broadband circular dichroism from particle-hole symmetry breaking in Weyl semimetals.

Nature materials·2026

Same author

Parity Anomalous Semimetal with Minimal Conductivity Induced by an In-Plane Magnetic Field.

Physical review letters·2026

Same author

Quantum Christoffel Nonlinear Magnetization.

Physical review letters·2026

Same author

Enhanced Anomalous Nernst Effect in the Ferromagnetic Kondo Lattice CeCo_{2}As_{2}.

Physical review letters·2026

Same author

A Clarification on Quantum-Metric-Induced Nonlinear Transport.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)·2025

Same author

Observation of Giant Nernst Plateau in Ideal 1D Weyl Phase.

Physical review letters·2025

Search research articles

Related Experiment Video

Updated: May 29, 2026

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser

Published on: June 28, 2018

Competition between weak localization and antilocalization in topological surface states.

Hai-Zhou Lu¹, Junren Shi, Shun-Qing Shen

¹Department of Physics, The University of Hong Kong, China.

Physical Review Letters

|September 10, 2011

Summary

We present a magnetoconductivity formula for magnetic topological insulators. Magnetic doping opens an energy gap, causing a tunable crossover between weak antilocalization and weak localization in quantum transport.

More Related Videos

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Published on: July 29, 2013

Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride

Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride

Published on: July 8, 2021

Related Experiment Videos

Last Updated: May 29, 2026

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser

Experimental Methods for Spin- and Angle-Resolved Photoemission Spectroscopy Combined with Polarization-Variable Laser

Published on: June 28, 2018

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Fabrication and Characterization of Disordered Polymer Optical Fibers for Transverse Anderson Localization of Light

Published on: July 29, 2013

Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride

Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride

Published on: July 8, 2021

Area of Science:

Condensed matter physics
Materials science

Background:

Topological insulators possess unique surface states with potential applications in quantum technologies.
Understanding quantum transport phenomena in these materials is crucial for their technological development.

Purpose of the Study:

To develop a magnetoconductivity formula for magnetically doped topological insulators.
To investigate the interplay of weak localization and weak antilocalization in gapped surface states.

Main Methods:

Theoretical formulation of magnetoconductivity.
Analysis of quantum transport in the presence of magnetic doping and an energy gap.

Main Results:

A competing effect between weak localization and weak antilocalization was revealed.
Random magnetic scattering shifts the system between symplectic and unitary classes.
An energy gap at the Dirac point induces a tunable crossover from weak antilocalization to weak localization.

Conclusions:

The tunable crossover is a unique characteristic of gapped topological insulator surface states.
This finding offers insights into quantum diffusion regimes in topological materials.