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Description
  • The model of a passive scalar field advected by the compressible Gaussian strongly anisotropic velocity field with the covariance proportional to delta(t - t') vertical bar x - x'vertical bar(2 epsilon) is studied using the field theoretic renormalization group and the operator product expansion. The inertial-range stability of the corresponding scaling regime is established. The anomalous scaling of the single-time structure functions is studied and the corresponding anomalous exponents are calculated. Their dependence on the compressibility parameter and anisotropy parameters is analyzed. It is shown that, as in the isotropic case, the presence of compressibility leads to the decrease of the critical dimensions of the important composite operators, i.e., the anomalous scaling is more pronounced in the compressible systems. All calculations are done to the first order in epsilon.
  • The model of a passive scalar field advected by the compressible Gaussian strongly anisotropic velocity field with the covariance proportional to delta(t - t') vertical bar x - x'vertical bar(2 epsilon) is studied using the field theoretic renormalization group and the operator product expansion. The inertial-range stability of the corresponding scaling regime is established. The anomalous scaling of the single-time structure functions is studied and the corresponding anomalous exponents are calculated. Their dependence on the compressibility parameter and anisotropy parameters is analyzed. It is shown that, as in the isotropic case, the presence of compressibility leads to the decrease of the critical dimensions of the important composite operators, i.e., the anomalous scaling is more pronounced in the compressible systems. All calculations are done to the first order in epsilon. (en)
Title
  • Combined effects of small scale anisotropy and compressibility on anomalous scaling of a passive scalar
  • Combined effects of small scale anisotropy and compressibility on anomalous scaling of a passive scalar (en)
skos:prefLabel
  • Combined effects of small scale anisotropy and compressibility on anomalous scaling of a passive scalar
  • Combined effects of small scale anisotropy and compressibility on anomalous scaling of a passive scalar (en)
skos:notation
  • RIV/68407700:21260/08:00202064!RIV13-MSM-21260___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • V
http://linked.open...iv/cisloPeriodika
  • 21
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
  • Scholtz, Martin
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 360408
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21260/08:00202064
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • passive scalar; renormalization group; anomalous scaling (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • SG - Singapurská republika
http://linked.open...ontrolniKodProRIV
  • [1A0125EF8290]
http://linked.open...i/riv/nazevZdroje
  • International Journal of Modern Physics B
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 22
http://linked.open...iv/tvurceVysledku
  • Scholtz, Martin
  • Jurčišin, M.
  • Jurčišinová, E.
  • Remecký, R.
http://linked.open...ain/vavai/riv/wos
  • 000259047200003
issn
  • 0217-9792
number of pages
http://bibframe.org/vocab/doi
  • 10.1142/S0217979208048565
http://localhost/t...ganizacniJednotka
  • 21260
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