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dc.contributor.authorGuo, Yulongen_US
dc.contributor.authorLiu, Xiaopeien_US
dc.contributor.authorXiong, Chien_US
dc.contributor.authorXu, Xuemiaoen_US
dc.contributor.authorFu, Chi-Wingen_US
dc.identifier.citationGuo, Y., Liu, X., Xiong, C., Xu, X., & Fu, C.-W. (2018). Towards high-quality visualization of superfluid vortices. IEEE transactions on visualization and computer graphics, 24(8), 2440-2455. doi:10.1109/TVCG.2017.2719684en_US
dc.description.abstractSuperfluidity is a special state of matter exhibiting macroscopic quantum phenomena and acting like a fluid with zero viscosity. In such a state, superfluid vortices exist as phase singularities of the model equation with unique distributions. This paper presents novel techniques to aid the visual understanding of superfluid vortices based on the state-of-the-art non-linear Klein-Gordon equation, which evolves a complex scalar field, giving rise to special vortex lattice/ring structures with dynamic vortex formation, reconnection, and Kelvin waves, etc. By formulating a numerical model with theoretical physicists in superfluid research, we obtain high-quality superfluid flow data sets without noise-like waves, suitable for vortex visualization. By further exploring superfluid vortex properties, we develop a new vortex identification and visualization method: a novel mechanism with velocity circulation to overcome phase singularity and an orthogonal-plane strategy to avoid ambiguity. Hence, our visualizations can help reveal various superfluid vortex structures and enable domain experts for related visual analysis, such as the steady vortex lattice/ring structures, dynamic vortex string interactions with reconnections and energy radiations, where the famous Kelvin waves and decaying vortex tangle were clearly observed. These visualizations have assisted physicists to verify the superfluid model, and further explore its dynamic behavior more intuitively.en_US
dc.relation.ispartofIEEE transactions on visualization and computer graphicsen_US
dc.rights© 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
dc.titleTowards high-quality visualization of superfluid vorticesen_US
dc.typeJournal Articleen
dc.contributor.researchInstitute of Advanced Studiesen_US
dc.description.versionAccepted versionen_US
dc.subject.keywordsSuperfluid Dynamicsen_US
dc.subject.keywordsVortex Structureen_US
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