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Catalytic bimetallic Janus particles swim by a bipolar electrochemical propulsion mechanism that results from electroosmotic fluid slip around the particle surface. The flow is driven by electrical body forces which are generated from a…

Fluid Dynamics · Physics 2015-06-17 Jeffrey L. Moran , Jonathan D. Posner

Gradients of voltage, pressure, temperature, and salinity can transport objects in micro- and nanofluidic systems by well known mechanisms. Here we report the discovery of a transport effect driven by viscosity gradients, which cause an…

Fluid Dynamics · Physics 2018-11-20 Benjamin Wiener , Derek Stein

Inspired by cephalopod jet propulsion through compliant funnels, this study investigates elastic wave propagation and energy exchange in passively deforming cylindrical nozzles through three-dimensional, two-way fluid-structure interaction…

Fluid Dynamics · Physics 2026-05-19 Paras Singh , Daehyun Choi , Saad Bhamla , Chandan Bose

In rotating Rayleigh-B\'enard convection, columnar vortices advect horizontally in a stochastic manner. When the centrifugal buoyancy is present the vortices exhibit radial motions that can be explained through a Langevin-type stochastic…

In the solar atmosphere, the jets are ubiquitous and found to be at various spatia-temporal scales. They are significant to understand energy and mass transport in the solar atmosphere. Recently, the high-speed transition region jets are…

Solar and Stellar Astrophysics · Physics 2016-08-24 Liping Yang , Hardi Peter , Jiansen He , Chuanyi Tu , Linghua Wang , Lei Zhang , Xueshang Feng

We report the discovery of a new form of inductance in the bulk ferrimagnet Mn3Si2Te6, which features strong spin-orbit coupling, large magnetic anisotropy, and pronounced magnetoelastic interactions. Below its Curie temperature, Mn3Si2Te6…

We review our studies of elastic lattices driven by an external force $F$ in the presence of random disorder, which correspond to the case of vortices in superconducting thin films driven by external currents. Above a critical force $F_c$…

Superconductivity · Physics 2016-08-16 Alejandro B. Kolton , Daniel Domínguez

The heat transfer behavior of convection-driven dynamos in a rotating plane layer between two parallel plates, heated from below and cooled from the top, is investigated. At a fixed rotation rate (Ekman Number, $E=10^{-6}$) and fluid…

Fluid Dynamics · Physics 2022-06-08 Souvik Naskar , Anikesh Pal

Following the very recent experimental realisation of electron vortices, we consider their interaction with matter, in particular the transfer of orbital angular momentum in the context of electron energy loss spectroscopy, and the recently…

Quantum Physics · Physics 2015-06-03 Sophia Lloyd , Mohamed Babiker , Jun Yuan

Buoyancy of proton vortices is considered as one of the important mechanisms of magnetic field expulsion from the superconducting interiors of neutron stars. Here we show that the generally accepted expression for the buoyancy force is not…

High Energy Astrophysical Phenomena · Physics 2017-04-19 Vasiliy A. Dommes , Mikhail E. Gusakov

The study focuses on the 3D electro-hydrodynamic (EHD) instability for flow between to parallel electrodes with unipolar charge injection with and without cross-flow. Lattice Boltzmann Method (LBM) with two-relaxation time (TRT) model is…

Fluid Dynamics · Physics 2020-03-11 Yifei Guan , James Riley , Igor Novosselov

By using thermal and Lorentz force, the vortex motion is successfully manipulated in the mixed state of underdoped La$_{2 - x}$Sr$_{x}$CuO$_{4}$ single crystals and optimally doped YBa$_{2}$Cu$_{3}$O$_{7 - \delta}$ thin films. A conclusion…

Superconductivity · Physics 2009-11-11 Z. Wang , L. Shan , Y. Z. Zhang , J. Yan , F. Zhou , J. W. Xiong , W. X. Ti , H. H. Wen

Pumped storage type hydropower plants play an important role in mitigating real-time energy flexibility. Reversible pump-turbines undergo extreme operating conditions such as runaway and speed-no-load. Very limited studies are undertaken to…

Fluid Dynamics · Physics 2026-02-10 Chirag Trivedi

Using the time-dependent Ginzburg Landau equations we study vortex motion driven by an applied current in two dimensional superconductors in the presence of a physical boundary. At smaller sourced currents the vortex lattice moves as a…

Superconductivity · Physics 2022-07-13 T. Okugawa , A. Benyamini , A. J. Millis , D. M. Kennes

Traditionally the Nernst and Ettingshausen effects in the vortex liquid are described in terms of the "transport entropy" of vortices, S_d. According to current theories, the main contribution to S_d is originated from the electromagnetic…

Superconductivity · Physics 2009-07-22 A. Sergeev , M. Yu. Reizer , V. Mitin

A new measurement technique for investigation of vortex dynamics is introduced. The distribution of the transport current across a crystal is derived by a sensitive measurement of the self-induced magnetic field of the transport current. We…

Superconductivity · Physics 2015-06-25 Dan T. Fuchs , Eli Zeldov , Michael Rappaport , Tsuyoshi Tamegai , Shuuichi Ooi , Hadas Shtrikman

Microscopic understanding of low-frequency molecular motions in liquids has been a longstanding goal in soft-matter science. So far, such low-frequency motions have mostly been accessed indirectly by off-resonant optical pulses. A more…

Soft Condensed Matter · Physics 2017-04-26 Mohsen Sajadi , Martin Wolf , Tobias Kampfrath

An electron propagating through a solid carries spin angular momentum in addition to its mass and charge. Of late there has been considerable interest in developing electronic devices based on the transport of spin, which offer potential…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. P. Weber , N. Gedik , J. E. Moore , J. Orenstein , Jason Stephens , D. D. Awschalom

We theoretically study the electronic transport of a nanowire partly irradiated under an external terahertz (THz) electromagnetic field. Although the electrons in the ballistic nanowires only suffer lateral collision with photons the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Guanhui Zhou , Mou Yang

This study examines flow over a cranked {\lambda}-wing model with a sweep of {\Lambda}=60{\deg} of the inboard leading edge (LE) that changed to {\Lambda}=30{\deg} outboard of the crank. The study focuses on the liftoff of the inboard…

Fluid Dynamics · Physics 2024-04-15 H. Kalyankar , L. Taubert , I. Wygnanski