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Quantum Ferrofluid Turbulence

Lookup NU author(s): Dr Tom Bland, Dr George Stagg, Dr Luca Galantucci, Dr Andrew BaggaleyORCiD, Professor Nick ParkerORCiD



This is the authors' accepted manuscript of a letter published in its final definitive form in 2018. For re-use rights please refer to the publishers terms and conditions.


We study the elementary characteristics of turbulence in a quantum ferrofluid through the context of a dipolar Bose gas condensing from a highly nonequilibrium thermal state. Our simulations reveal that the dipolar interactions drive the emergence of polarized turbulence and density corrugations. The superfluid vortex lines and density fluctuations adopt a columnar or stratified configuration, depending on the sign of the dipolar interactions, with the vortices tending to form in the low-density regions to minimize kinetic energy. When the interactions are dominantly dipolar, the decay of the vortex line length is enhanced, closely following a t−3/2 behavior. This system poses exciting prospects for realizing stratified quantum turbulence and new levels of generating and controlling turbulence using magnetic fields.

Publication metadata

Author(s): Bland T, Stagg GW, Galantucci L, Baggaley AW, Parker NG

Publication type: Letter

Publication status: Published

Journal: Physical Review Letters

Year: 2018

Volume: 121

Print publication date: 25/10/2018

Online publication date: 25/10/2018

Acceptance date: 10/10/2018

ISSN (print): 0031-9007

ISSN (electronic): 1079-7114


DOI: 10.1103/PhysRevLett.121.174501