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Introduction to quantum turbulence.

Carlo F Barenghi1, Ladislav Skrbek, Katepalli R Sreenivasan

  • 1Joint Quantum Centre Durham-Newcastle and School of Mathematics and Statistics, Newcastle University, Newcastle upon Tyne NE1 7RU, United Kingdom.

Proceedings of the National Academy of Sciences of the United States of America
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Quantum turbulence describes the chaotic motion in quantum fluids like superfluid helium. This review explores its properties, comparing it to classical turbulence and outlining future research directions.

Keywords:
Kolmogorov spectrumabsolute zeroquantized vortices

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Area of Science:

  • Quantum turbulence
  • Condensed matter physics
  • Low-temperature physics

Background:

  • Quantum turbulence involves the study of quantum fluids, including superfluid helium and Bose-Einstein condensates.
  • These systems exhibit unique properties such as quantized vorticity and superfluidity.
  • At finite temperatures, quantum fluids display two-fluid behavior, adding complexity to their dynamics.

Discussion:

  • This article compares and contrasts quantum turbulence with classical turbulence observed in ordinary fluids.
  • It examines various types and observed regimes of quantum turbulence.
  • The discussion highlights the interdisciplinary nature of the field, bridging fluid mechanics, atomic physics, and condensed matter physics.

Key Insights:

  • Quantum turbulence is characterized by quantized vortices, a hallmark of quantum fluid behavior.
  • Understanding quantum turbulence requires considering both its quantum mechanical and fluid dynamic aspects.
  • Similarities and differences between quantum and classical turbulence provide insights into universal aspects of fluid motion.

Outlook:

  • Future research will focus on the interplay between quantum phenomena and turbulent dynamics.
  • Exploring quantum turbulence in various systems, including superfluids and condensates, remains a key area.
  • This field promises advancements in fundamental physics and potential applications in quantum technologies.