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Journal Articles Chaos, Solitons & Fractals Year : 2020

2D quantum turbulence in a polariton quantum fluid

S.V. V Koniakhin
  • Function : Author
O. Bleu
  • Function : Author
G. Malpuech
  • Function : Author
D. Solnyshkov


The coexistence of the energy and enstrophy cascades in 2D quantum turbulence is one of the important open questions in the studies of quantum fluids. Here, we show that polariton quantum fluids are particularly suitable for the possible observation of scaling on sufficiently large scales. The shape of raw energy spectra depends on the procedure of fluid excitation (stirring), but the energy spectra of clustered vortices always exhibit the-5/3 power law. In the optimal case, the cascade can be observed over almost 2 decades. The fractal nature of the structures is confirmed by the extracted fractal dimension.
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hal-03040773 , version 1 (04-12-2020)



S.V. V Koniakhin, O. Bleu, G. Malpuech, D. Solnyshkov. 2D quantum turbulence in a polariton quantum fluid. Chaos, Solitons & Fractals, 2020, 132, pp.109574. ⟨10.1016/j.chaos.2019.109574⟩. ⟨hal-03040773⟩
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