2021
DOI: 10.1088/2632-2153/abea6a
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Deep-learning-based quantum vortex detection in atomic Bose–Einstein condensates

Abstract: Quantum vortices naturally emerge in rotating Bose–Einstein condensates (BECs) and, similarly to their classical counterparts, allow the study of a range of interesting out-of-equilibrium phenomena, such as turbulence and chaos. However, the study of such phenomena requires the determination of the precise location of each vortex within a BEC, which becomes challenging when either only the density of the condensate is available or sources of noise are present, as is typically the case in experimental settings.… Show more

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Cited by 21 publications
(20 citation statements)
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“…Other research problem which can be approached with this method is to study initial conditions with many singularities at random positions; we note that this last case will require to determine its locations numerically (which as commented requires a dedicated numerical method as [63,64]). And also it will require to solve a large set of equations even in the non-interacting case.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…Other research problem which can be approached with this method is to study initial conditions with many singularities at random positions; we note that this last case will require to determine its locations numerically (which as commented requires a dedicated numerical method as [63,64]). And also it will require to solve a large set of equations even in the non-interacting case.…”
Section: Discussionmentioning
confidence: 99%
“…For a large enough number of singularities it may require sophisticated methods, see e.g. [63,64] but in our case we used a simple method. The analytically calculated merging time is tm = 1.9 a.u.…”
Section: Some Examples In the Homogenous Systemmentioning
confidence: 99%
“…the phase jump factor or the interference density ratio is maximum within a certain region, even if the soliton is no longer present. This difficulty could be removed by using the machine learning techniques to trace the structure of solitons [24,25]. It will be interesting and useful to apply the machine learning technique to analyze the density and interference density ratio profile for understanding the soliton dynamics in BESs breakdown into vortices at nonzero temperatures.…”
Section: Phase Jump Factormentioning
confidence: 99%
“…The trained models from the main text as well as the code used for training and evaluating the network will be available at [66]. The training data is available from the corresponding authors on reasonable request.…”
Section: Data Availabilitymentioning
confidence: 99%