English
Related papers

Related papers: Magnetic droplet solitons generated by pure spin c…

200 papers

We consider two minimal models of active fluid droplets that exhibit complex dynamics including steady motion, deformation, rotation and oscillating motion. First we consider a droplet with a concentration of active contractile matter…

Soft Condensed Matter · Physics 2016-12-20 Carl A. Whitfield , Rhoda J. Hawkins

Most materials freeze when cooled to sufficiently low temperature. We find that magnetic dipoles randomly distributed in a solid matrix condense into a spin liquid with spectral properties on cooling that are the diametric opposite of those…

Condensed Matter · Physics 2009-11-10 S. Ghosh , R. Parthasarathy , T. F. Rosenbaum , G. Aeppli

It is clarified for the first time that solitons originating from the dipolar interaction in ferromagnetic nano-particle arrays are stably created. The characteristics can be well controlled by the strength of the dipolar interaction…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Satoshi Ishizaka , Kazuo Nakamura

Ensembles of elongated magnetic droplets in a rotating field are studied experimentally. In a given range of field strength and frequency the droplets form rotating structures with a triangular order - rotating crystals. A model is…

Soft Condensed Matter · Physics 2020-03-18 Andris P. Stikuts , Régine Perzynski , Andrejs Cēbers

As shown by Ganan-Calvo and co-workers, a free liquid jet can be compressed in iameter through gas-dynamic forces exerted by a co-flowing gas, obviating the need for a solid nozzle to form a microscopic liquid jet and thereby alleviating…

Biological Physics · Physics 2009-11-13 D. P. DePonte , U. Weierstall , D. Starodub , K. Schmidt , J. C. H. Spence , R. B. Doak

Spectroscopic data on alkali-atom dimers residing on the surface of liquid helium nanodroplets have revealed that they are detected primarily in the weakly bound, metastable, spin-triplet state. Here, by measuring the magnetic Stern-Gerlach…

Atomic and Molecular Clusters · Physics 2025-05-16 Thomas H. Villers , Benjamin S. Kamerin , Vitaly V. Kresin

The generation of droplets at low Reynolds numbers is driven by non-linear dynamics that give rise to complex patterns concerning both the droplet-to-droplet spacing and the individual droplet sizes. Here we demonstrate an experimental…

Fluid Dynamics · Physics 2017-09-20 Anatoly Rinberg , Georgios Katsikis , Manu Prakash

In a magnetic field, superconductivity is manifested by total magnetic field expulsion (Meissner effect) or by the penetration of integer multiples of the flux quantum {\Phi}_0. Here we present experimental results revealing magnetic…

We experimentally demonstrate generation of coherent propagating magnons in ultra-thin magnetic-insulator films by spin-orbit torque induced by dc electric current. We show that this challenging task can be accomplished by utilizing…

Mesoscale and Nanoscale Physics · Physics 2018-10-31 M. Evelt , L. Soumah , A. B. Rinkevich , S. O. Demokritov , A. Anane , V. Cros , Jamal Ben Youssef , G. de Loubens , O. Klein , P. Bortolotti , V. E. Demidov

Optomechanical manipulation of nanoparticles enabling ultimate control over their 3D motion is nowadays one of the most highly demanded links between optics, biology, medicine, microfluidics, etc., paving the way for a plethora of emerging…

Optics · Physics 2020-01-08 D. A. Dolinina , A. S. Shalin , A. V. Yulin

The spin orbit effect in graphene is too muted to have any observable significance with respect to its application in spintronics. However, graphene technology is too valuable to be rendered impotent to spin transport. In this communication…

Mesoscale and Nanoscale Physics · Physics 2016-01-07 Firoz Islam , Colin Benjamin

Recent experiments have shown that magnetic skyrmion bubbles can be generated and injected at room temperature in thin films [W. Jiang et al, Science vol. 349, 283 (2015)]. Here, we demonstrate, using micromagnetic modeling, that such…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Olle Heinonen , Wanjun Jiang , Hamoud Somaily , Suzanne G. E. te Velthuis , Axel Hoffmann

Manipulation of magnons in artificial magnonic crystals (MCs) leads to fascinating nonlinear wave phenomena such as the generation of gap solitons, which has been mostly limited to one-dimensional systems. Here, we propose a model system…

Pattern Formation and Solitons · Physics 2024-05-01 Xin-Wei Jin , Zhan-Ying Yang , Yanan Liu , Guangyin Jing

Emergent quasiparticles that arise from the fractionalization of the microscopic degrees of freedom have been one of the central themes in modern condensed matter physics. The notion of magnetic monopoles, freely moving quasiparticles…

Strongly Correlated Electrons · Physics 2016-06-10 Gia-Wei Chern , Paula Mellado

Magnons - the quanta of spin waves - propagating in magnetic materials with wavelengths at the nanometer-scale and carrying information in the form of an angular momentum, can be used as data carriers in next-generation, nano-sized low-loss…

Mesoscale and Nanoscale Physics · Physics 2017-06-07 A. V. Chumak , A. A. Serha , B. Hillebrands

In this Letter we further develop the proposed approach of optical manipulation based on the interactions of non-linear optical effects with nanoparticles. The interaction of the dissipative optical solitons with nanoparticles is studied…

Optics · Physics 2020-04-22 D. A. Dolinina , A. S. Shalin , A. V. Yulin

Coupling between conduction electrons and localized magnetization is responsible for a variety of phenomena in spintronic devices. This coupling enables to generate spin currents from dynamical magnetization. Due to the nonlinearity of…

Mesoscale and Nanoscale Physics · Physics 2015-07-23 Takaharu Tashiro , Saki Matsuura , Akiyo Nomura , Shun Watanabe , Keehoon Kang , Henning Sirringhaus , Kazuya Ando

The generation of single, monodisperse compound droplets is shown in these fluid dynamics videos. In an apparatus designed to produce single compound droplets, a piezoelectric diaphragm generates a pressure pulse from a voltage waveform…

Fluid Dynamics · Physics 2010-10-14 James Black , G. Paul Neitzel

A liquid droplet, immersed into a Newtonian fluid, can be propelled solely by internal flow. In a simple model, this flow is generated by a collection of point forces, which represent externally actuated devices or model autonomous…

Fluid Dynamics · Physics 2021-03-10 Reiner Kree , Leon Rueckert , Annette Zippelius

Surface plasmons, free-electron collective oscillations in metallic nanostructures, provide abundant routes to manipulate light-electron interactions that can localize light energy and alter electromagnetic field distributions at…

Materials Science · Physics 2015-05-28 Ken-ichi Uchida , Hiroto Adachi , Daisuke Kikuchi , Shun Ito , Zhiyong Qiu , Sadamichi Maekawa , Eiji Saitoh