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Types Of Superconductors01:28

Types Of Superconductors

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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...
1.0K
Superconductor01:24

Superconductor

1.1K
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...
1.1K
Magnetic Damping01:17

Magnetic Damping

469
Eddy currents can produce significant drag on motion, called magnetic damping. For instance, when a metallic pendulum bob swings between the poles of a strong magnet, significant drag acts on the bob as it enters and leaves the field, quickly damping the motion.
If, however, the bob is a slotted metal plate, the magnet produces a much smaller effect. When a slotted metal plate enters the field, an emf is induced by the change in flux; however, it is less effective because the slots limit the...
469
The Hall Effect01:30

The Hall Effect

2.4K
Edwin H. Hall, in the year 1879, devised an experiment that could be used to identify the polarity of the predominant charge carriers in a conducting material. From a historical perspective, this experiment was the first to demonstrate that the charge carriers in most metals are negative.
2.4K
Stability of Equilibrium Configuration01:23

Stability of Equilibrium Configuration

455
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...
455
The Quantum-Mechanical Model of an Atom02:45

The Quantum-Mechanical Model of an Atom

42.4K
Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
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Related Experiment Video

Updated: Jul 12, 2025

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

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Hardware Implementation of Quantum Stabilizers in Superconducting Circuits.

K Dodge1, Y Liu1, A R Klots2

  • 1Department of Physics, Syracuse University, Syracuse, New York 13244-1130, USA.

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|October 28, 2023
PubMed
Summary

Researchers demonstrate a novel hardware implementation of stabilizers for quantum error correction using superconducting circuits. This approach directly encodes stabilizer properties into qubit design, simplifying quantum information protection.

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Area of Science:

  • Quantum computing
  • Condensed matter physics
  • Superconducting circuits

Background:

  • Stabilizer operations are crucial for quantum error correction.
  • Current methods rely on complex software-controlled gates and measurements.
  • An alternative is to design qubits where the Hamiltonian directly represents a stabilizer.

Purpose of the Study:

  • To demonstrate a hardware implementation of stabilizers.
  • To utilize superconducting circuits with specific Josephson element configurations.
  • To explore the relationship between circuit parameters and stabilizer properties.

Main Methods:

  • Fabrication of superconducting circuits with chains of π-periodic Josephson elements.
  • Application of local on-chip flux and charge biasing.
  • Experimental observation and numerical modeling of energy band dispersion.

Main Results:

  • Successful hardware implementation of stabilizers in superconducting circuits.
  • Observation of progressive energy band dispersion softening with increased frustrated plaquette elements.
  • Experimental results closely match numerical modeling predictions.

Conclusions:

  • Hardware-based stabilizers offer a promising alternative for quantum error correction.
  • Superconducting circuits with Josephson elements provide a viable platform for this implementation.
  • Tunable energy band dispersion is key to controlling stabilizer properties.