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Quantum turbulence visualized by particle dynamics

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10291606" target="_blank" >RIV/00216208:11320/14:10291606 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevB.90.014519" target="_blank" >http://dx.doi.org/10.1103/PhysRevB.90.014519</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevB.90.014519" target="_blank" >10.1103/PhysRevB.90.014519</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Quantum turbulence visualized by particle dynamics

  • Original language description

    The Lagrangian dynamics of micrometer-sized solid particles of hydrogen and deuterium is investigated in thermal counterflow of superfluid He-4 at length scales l(exp) straddling about two orders of magnitude across the average distance l between quantized vortices by using the particle tracking velocimetry technique. The normalized probability distribution functions of the particle velocities and accelerations change from the shapes typical of quantum turbulence, characterized by power-law tails, at length scales l(exp) less than or similar to l, to forms similar to those obtained in classical turbulent flows, at l(exp) greater than or similar to l, although the power-law behavior of the acceleration distribution tails is less clear than that observedfor the particle velocities. Moreover, the acceleration distribution follows a nearly log-normal, classical-like shape, at l less than or similar to l(exp) less than or similar to L-int, where L-int denotes the integral length scale, pro

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BK - Liquid mechanics

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GAP203%2F11%2F0442" target="_blank" >GAP203/11/0442: Visualization of liquid helium flows</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2014

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Physical Review B - Condensed Matter and Materials Physics

  • ISSN

    1098-0121

  • e-ISSN

  • Volume of the periodical

    90

  • Issue of the periodical within the volume

    1

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    1-7

  • UT code for WoS article

    000341310400006

  • EID of the result in the Scopus database