2D quantum turbulence in a polariton quantum fluid

S.V. Koniakhin, O. Bleu, G. Malpuech and D.D. Solnyshkov

Chaos, Solitons & Fractals, 2020, vol. 132, issue C

Abstract: 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.

Keywords: Quantum turbulence; Kolmogorov cascade; Fractal structures; Quantum fluids (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:132:y:2020:i:c:s0960077919305314

DOI: 10.1016/j.chaos.2019.109574

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