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Related Concept Videos

Superconductor01:24

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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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Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride
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Published on: July 8, 2021

Superconductors from superstrings.

Steven S Gubser1, Christopher P Herzog, Silviu S Pufu

  • 1Department of Physics, Princeton University, Princeton, New Jersey 08544, USA.

Physical Review Letters
|November 13, 2009
PubMed
Summary
This summary is machine-generated.

Adding R charge chemical potential to strongly coupled conformal field theories induces superfluid states. This occurs when a specific chiral primary operator condenses, as shown through supergravity duals.

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Fabrication and Characterization of Superconducting Resonators
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Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

Area of Science:

  • High-energy physics
  • Quantum field theory
  • String theory

Background:

  • Strongly coupled (3+1)-dimensional N=1 quiver conformal field theories (CFTs) are complex systems.
  • Understanding their emergent phenomena, like superfluidity, is crucial.
  • Gravity duals provide a powerful tool to study these CFTs.

Purpose of the Study:

  • To investigate the effects of introducing a chemical potential for the R charge in these CFTs.
  • To identify the conditions and mechanisms leading to novel states of matter.
  • To explore the connection between field theory dynamics and gravitational descriptions.

Main Methods:

  • Utilizing gravity duals (AdS/CFT correspondence) of N=1 quiver CFTs.
  • Constructing a consistent truncation of type IIB supergravity.
  • Incorporating a U(1) gauge field and a complex scalar into the supergravity model.

Main Results:

  • Demonstrated the existence of superfluid states in a large class of these theories.
  • Identified the condensation of a specific chiral primary operator (O=lambdalambda+W) as the key feature of these superfluid states.
  • Established a direct link between the R charge chemical potential and the emergence of superconductivity.

Conclusions:

  • The introduction of an R charge chemical potential is a viable method to induce superfluidity in strongly coupled CFTs.
  • The condensation of the operator O=lambdalambda+W signifies the onset of the superfluid phase.
  • The supergravity truncation provides a consistent framework for studying these phenomena.