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

MOSFET: Enhancement Mode01:22

MOSFET: Enhancement Mode

922
Enhancement-mode MOSFETs are pivotal components in electronics, distinguished by their capacity to act as highly efficient switches. They are part of the larger family of metal-oxide Semiconductor Field-Effect Transistors (MOSFETs). They are available in two types: p-channel and n-channel, each tailored to specific polarity operations.
In their basic form, enhancement-mode MOSFETs are typically non-conductive when the gate-source voltage (Vgs) is zero. This default 'off' state means no...
922
Biasing of P-N Junction01:16

Biasing of P-N Junction

2.3K
The operation of a p-n junction diode involves various biasing conditions, including forward bias, reverse bias, and equilibrium.
In equilibrium, no external voltage is applied across the p-n junction. The depletion region is formed at the junction interface due to the diffusion of carriers, which leaves behind charged dopants, acceptors on the p-side, and donors on the n-side. These immobile charges create an electric field that prevents further diffusion of carriers. The related energy band...
2.3K
Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

733
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
733
Non-ohmic Devices00:51

Non-ohmic Devices

1.6K
In most substances, the current flow is proportional to the voltage applied to it. A simple relationship between the values of current, voltage, and resistance is known as Ohm's law. Nonohmic devices do not exhibit a linear relationship between voltage and current. One such device is the semiconducting circuit element known as a diode. A diode is a circuit device that allows current flow in only one direction.
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
1.6K
Schottky Barrier Diode01:27

Schottky Barrier Diode

1.2K
Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...
1.2K
π Electron Effects on Chemical Shift: Overview01:27

π Electron Effects on Chemical Shift: Overview

1.8K
An applied magnetic field causes loosely bound π-electrons in organic molecules to circulate, producing a local or induced diamagnetic field over a large spatial volume. As the molecules tumble in solution, the field generated by π-electrons in spherical substituents results in a zero net field. However, the net field generated by π-electrons in non-spherical substituents is not zero. The effect of this induced field depends on the orientation of the molecule with respect to B0,...
1.8K

You might also read

Related Articles

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

Sort by
Same author

Dimensionality-Driven Photoproduction of Massive Dirac Pairs near Threshold in Gapped Graphene Monolayers.

Physical review letters·2020
Same author

Weak Measurement Protocols for Majorana Bound State Identification.

Physical review letters·2020
Same author

Giant Shot Noise from Majorana Zero Modes in Topological Trijunctions.

Physical review letters·2019
Same author

First reported implementation of a German-language progress test in an undergraduate dental curriculum: A prospective study.

European journal of dental education : official journal of the Association for Dental Education in Europe·2018
Same author

Towards Realistic Implementations of a Majorana Surface Code.

Physical review letters·2016
Same author

Multichannel Kondo impurity dynamics in a Majorana device.

Physical review letters·2014
Same journal

Erratum: Bacterial Turbulence at Compressible Fluid Interfaces [Phys. Rev. Lett. 136, 138301 (2026)].

Physical review letters·2026
Same journal

Unveiling Light-Quark Yukawa Flavor Structure via Dihadron Fragmentation at Lepton Colliders.

Physical review letters·2026
Same journal

Adaptable Route to Fast Coherent State Transport via Bang-Bang-Bang Protocols.

Physical review letters·2026
Same journal

Topological Transition and Emergence of Elasticity of Dislocation in Skyrmion Lattice: Beyond Kittel's Magnetic-Polar Analogy.

Physical review letters·2026
Same journal

Pound-Drever-Hall Method for Superconducting-Qubit Readout.

Physical review letters·2026
Same journal

Coupling a ^{73}Ge Nuclear Spin to an Electrostatically Defined Quantum Dot in Silicon.

Physical review letters·2026
See all related articles

Related Experiment Video

Updated: Mar 7, 2026

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

10.4K

6π Josephson Effect in Majorana Box Devices.

A Zazunov1, F Buccheri1, P Sodano2,3

  • 1Institut für Theoretische Physik, Heinrich-Heine-Universität, D-40225 Düsseldorf, Germany.

Physical Review Letters
|February 18, 2017
PubMed
Summary
This summary is machine-generated.

This study explores Majorana devices, revealing a 6π-periodic Josephson relation and fractionalized charges (e*=2e/3) in a non-Fermi liquid system. This advances understanding of topological superconductivity and Kondo physics interactions.

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
Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
11:45

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

15.4K

Related Experiment Videos

Last Updated: Mar 7, 2026

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

10.4K
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
Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps
11:45

Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps

Published on: August 17, 2017

15.4K

Area of Science:

  • Condensed Matter Physics
  • Quantum Computing
  • Topological Materials

Background:

  • Kondo physics describes the interaction between localized magnetic moments and conduction electrons.
  • Superconducting devices offer unique quantum phenomena.
  • Majorana fermions are exotic particles with potential in quantum computing.

Purpose of the Study:

  • Investigate the interplay of superconductivity and multichannel Kondo physics in Majorana devices.
  • Extend single-channel Kondo system understanding to a non-Fermi liquid, topologically nontrivial setting.
  • Analyze the Josephson current-phase relation and charge transfer in this novel system.

Main Methods:

  • Theoretical proposal involving topological superconductor wires coupled to a Coulomb-blockaded Majorana box.
  • Utilizing a strong-coupling analysis for the regime where superconducting gap (Δ) is much smaller than Kondo temperature (T_K).
  • Examining the nonlocally defined spin degree of freedom in terms of Majorana states.

Main Results:

  • A 4π-periodic Josephson current-phase relation emerges when Δ ≫ T_K due to the destruction of Kondo screening by superconductivity.
  • A 6π-periodic Josephson relation is found for three leads when Δ ≪ T_K.
  • Evidence of fractionalized charges (e* = 2e/3) with critical current I_c ≈ eΔ²/ℏT_K.

Conclusions:

  • The study demonstrates a competition between superconductivity and multichannel Kondo physics in Majorana devices.
  • The findings reveal exotic quantum phenomena, including fractionalized charge transfer.
  • This work provides a theoretical framework for novel quantum devices based on topological superconductors.