Results 11 to 20 of about 2,249 (157)
Supercurrents and Tunneling in Massive Many‐Vortex Necklaces and Star‐Lattices
AbstractRecently, cold atoms mixtures have attracted broad interest due to their novel and exotic quantum effects with respect to single‐component systems. In this study, the focus is on massive many‐vortex states and their dynamics. Vortex configurations characterized by the same discrete rotational symmetry are investigated when confined within ...
Alice Bellettini, Vittorio Penna
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Self-Assembled Polypseudorotaxanes Crosslinked by Dynamic Disulfide Bonds as Modular Functionalization for Thiophilic Metal Nanoparticles. [PDF]
Self‐assembled thiol‐rich polypseudorotaxanes with high modularity were developed via a “one‐pot” preparation through the threading of thiolated α‐cyclodextrins on polymers and subsequent oxidation of thiols into disulfide bonds. This dynamic motif was used as a functionalization platform for thiophilic metal nanoparticles, either tethering them to a ...
Xu X +12 more
europepmc +3 more sources
Development of circular cylinder blade wind turbine driven by longitudinal vortex
It is known that the longitudinal vortex alternately and periodically forms diagonally backward of the upstream cylinder of the cruciform system consisted of the upstream cylinder and the downstream strip-plate and causes the strong periodic lift force ...
Kasumi SAKAMOTO +3 more
doaj +1 more source
In a circular cylinder blade wind turbine driven by a longitudinal vortex, the torque characteristics of the turbine are greatly affected by the flow field at the blade tip. In general, wind turbines reduce drag by making the blade tips thinner. However,
Shota NAKADA +2 more
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Unveiling nonequilibrium dynamics of solitonic and topological defect structures in a multidimensional nonlinear medium is a current frontier across diverse fields. One of the quintessential objects is a ring dark soliton (RDS), whose dynamics are expected to display remarkable interplay between symmetry and self-patterned topological defect formation ...
Hikaru Tamura +2 more
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Making ghost vortices visible in two-component Bose-Einstein condensates
Ghost vortices constitute an elusive class of topological excitations in quantum fluids since the relevant phase singularities fall within regions where the superfluid density is almost zero.
Andrii Chaika +2 more
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Spin-2 Bose–Einstein condensates in an annular trap with spin–orbit coupling
We study the ground-state phases of spin–orbit coupled spin-2 Bose–Einstein condensates in a two-dimensional concentrically coupled annular trap with the attractive and repulsive spin-exchange interactions, respectively.
Yue-Qing Li, Yun-Xia Sui, Ji-Guo Wang
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Necklace-ring vector solitons [PDF]
We introduce novel classes of optical vector solitons that consist of incoherently coupled self-trapped “necklace” beams carrying zero, integer, and even fractional angular momentum.
Desyatnikov, Anton S, Kivshar, Yuri
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Dynamics of circular arrangements of vorticity in two dimensions [PDF]
The merger of two like-signed vortices is a well-studied problem, but in a turbulent flow, we may often have more than two like-signed vortices interacting.
Govindarajan, Rama +3 more
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In earlier works by the present authors, it was shown that a large cross-flow excitation is induced to a circular cylinder by setting another cylinder downstream in a cruciform arrangement with a certain gap between them, caused by longitudinal vortices ...
Naoto KATO +3 more
doaj +1 more source

