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Related Concept Videos

Types Of Superconductors01:28

Types Of Superconductors

A superconductor is a substance that offers zero resistance to the electric current when it drops below a critical temperature. Zero resistance is not the only interesting phenomenon as materials reach their transition temperatures. A second effect is the exclusion of magnetic fields. This is known as the Meissner effect. A light, permanent magnet placed over a superconducting sample will levitate in a stable position above the superconductor. High-speed trains that levitate on strong...
Superconductor01:24

Superconductor

A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...
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Theory of Metallic Conduction01:17

Theory of Metallic Conduction

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Metal-Semiconductor Junctions

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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

Interface between topological and superconducting qubits.

Liang Jiang1, Charles L Kane, John Preskill

  • 1Institute for Quantum Information, California Institute of Technology, Pasadena, California 91125, USA.

Physical Review Letters
|April 27, 2011
PubMed
Summary
This summary is machine-generated.

We demonstrate a novel interface connecting topological and superconducting qubits. This allows for controlled quantum information transfer, advancing quantum computing architectures.

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Area of Science:

  • Quantum Computing
  • Condensed Matter Physics
  • Quantum Information Science

Background:

  • Topological qubits offer inherent error protection.
  • Superconducting flux qubits are a leading platform for quantum computation.

Purpose of the Study:

  • To propose and analyze a coherent interface between topological and superconducting qubits.
  • To enable controlled quantum information transfer between these distinct qubit modalities.

Main Methods:

  • Utilizing Majorana fermions in a topological insulator.
  • Coherent control of interaction via a superconducting phase dependent on flux qubit state.
  • Implementing a controlled-phase gate through pulsed interaction.

Main Results:

  • Demonstrated a viable interface enabling qubit-qubit interaction.
  • Successfully transferred quantum information between topological and superconducting qubits.
  • Achieved a controlled-phase gate essential for quantum algorithms.

Conclusions:

  • The proposed interface facilitates hybrid quantum systems.
  • This work paves the way for scalable topological-superconducting quantum processors.
  • Enables robust quantum information processing by combining qubit strengths.