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The dominant modes of charge transport in variant polar liquid based nanoparticulate colloidal dispersions (dilute) have been theorized. Theories formulating electrical characteristics of colloids have often been found to over or under…

软凝聚态物质 · 物理学 2015-12-01 Purbarun Dhar , Arvind Pattamatta , Sarit K. Das

We study numerically and analytically a model of self-propelled polar disks on a substrate in two dimensions. The particles interact via isotropic repulsive forces and are subject to rotational noise, but there is no aligning interaction.…

软凝聚态物质 · 物理学 2014-02-24 Yaouen Fily , M. Cristina Marchetti

Magnetic fusion devices operate at regimes characterized by extremely high temperatures and low densities, for which the charged particles motion is well described by classical mechanics. This is not true, however, for solid-state metallic…

等离子体物理 · 物理学 2015-06-23 Giovanni Manfredi , Jérôme Hurst

We demonstrate feedback cooling of the center-of-mass motion of single charged nanoparticles to millikelvin temperatures in three dimensions via applying oscillating electric fields synchronized to their optically observed motion. The…

介观与纳米尺度物理 · 物理学 2019-05-22 M. Iwasaki , T. Yotsuya , T. Naruki , Y. Matsuda , M. Yoneda , K. Aikawa

The motion of charged particles can be interfaced with electric circuitry via the current induced in nearby pick-up electrodes. Here we show how the rotational and translational dynamics of levitated objects with arbitrary charge…

量子物理 · 物理学 2021-10-11 Lukas Martinetz , Klaus Hornberger , Benjamin A. Stickler

Nanomagnetism concerns the engineering of magnetic interactions in heterostructures that consist of layers of magnetic and non-magnetic materials. Mostly, these interactions are dominated by the minimization of energy. Here, we propose an…

介观与纳米尺度物理 · 物理学 2025-05-21 William Huddie , Laura Filion , Marjolein Dijkstra , Rembert Duine

Plasmon-assisted hot carrier processes in metal nanoparticles can be described either classically or using the full strength of quantum mechanics. We reconfirm that from the practical applications point of view, when it comes to description…

光学 · 物理学 2020-09-10 Jacob B Khurgin , Uriel Levy

The time evolution of temperatures of anisotropic nanoparticles in two and three-body systems are simulated for various relative orientations. Nanoparticles are immersed in a thermal bath at constant temperature. It is shown that in…

介观与纳米尺度物理 · 物理学 2015-05-20 Moladad Nikbakht

We report a numerical investigation on the heat transfer through one dimensional arrays of metallic nanoparticles closely spaced in a host material. Our simulations show that the multipolar interactions play a crucial role in the heat…

介观与纳米尺度物理 · 物理学 2009-11-13 Philippe Ben-Abdallah , Karl Joulain , Jérémie Drevillon , Clément Le Goff

Two hypothesizes concerning interaction of neutrons with nanoparticles and having applications in the physics of ultracold neutron (UCN) were recently considered in ref. [Physics of Atomic Nuclei 65(3): 400 (2002)]; they were motivated by…

核理论 · 物理学 2007-05-23 V. V. Nesvizhevsky

Polarization of the interface, spontaneously occurring when water is in contact with hydrophobic solutes or air, couples with the uniform external field to produce a non-zero force acting on a suspended particle. This force exists even in…

软凝聚态物质 · 物理学 2013-06-26 Dmitry V. Matyushov

The system created in ultrarelativistic nuclear collisions is known to behave as an almost ideal liquid. In non-central collisions, due to the large orbital momentum, such a system might be the fluid with the highest vorticity ever created…

核理论 · 物理学 2017-05-16 F. Becattini , I. Karpenko , M. Lisa , I. Upsal , S. Voloshin

Magnetricity- the magnetic equivalent of electricity- was recently verified experimentally for the first time. Indeed, just as the stream of electric charges produces electric current, emergent magnetic monopoles have been observed to roam…

介观与纳米尺度物理 · 物理学 2014-04-17 R. P. Loreto , L. A. Morais , R. C. Silva , F. S. Nascimento , C. I. L. de Araujo , L. A. S. Mól , W. A. Moura-Melo , A. R. Pereira

Recent experiments with ultracold neutral plasmas show an intrinsic heating effect based on the development of spatial correlations. We investigate whether this effect can be reversed, so that imposing strong spatial correlations could in…

原子物理 · 物理学 2009-11-10 T. Pohl , T. Pattard , J. M. Rost

We study the radiative heat flux between two nanoparticles in close vicinity to the natural hyperbolic material hBN with its optical axis oriented parallel to the interface. We show that the heat flux between the nanoparticles can be…

介观与纳米尺度物理 · 物理学 2022-10-25 Annika Ott , Yang Hu , Xiao-Hu Wu , Svend-Age Biehs

We explore the potential energy surfaces for NH molecules interacting with alkali-metal and alkaline-earth atoms using highly correlated ab-initio electronic structure calculations. The surfaces for interaction with alkali-metal atoms have…

化学物理 · 物理学 2015-05-13 Pavel Soldán , Piotr S. Żuchowski , Jeremy M. Hutson

To prevent the flocculation and phase separation of nanoparticles in solution, nanoparticles are often functionalized with short chain surfactants. Here we present fully-atomistic molecular dynamics simulations which characterize how these…

介观与纳米尺度物理 · 物理学 2015-05-13 J. Matthew D. Lane , Ahmed E. Ismail , Michael Chandross , Christian D. Lorenz , Gary S. Grest

The spin-transfer effect is investigated for the vortex state of a magnetic nanodot. A spin current is shown to act similarly to an effective magnetic field perpendicular to the nanodot. Then a vortex with magnetization (polarity) parallel…

其他凝聚态物理 · 物理学 2009-11-11 Jean-Guy Caputo , Yuri Gaididei , Franz G. Mertens , Denis D. Sheka

Cold spots are sub-wavelength regions which might emerge near a plasmonic nanoantenna, should one or more components of some far-field illumination cancel out with scattered light. With a simplest-case demonstration using two dipolar…

光学 · 物理学 2021-03-04 Alexander J. Vernon , Francisco J. Rodríguez-Fortuño

We argue that for some species of magnetic nanoparticles the macrospin can have a nonvanishing moment of inertia and then an orbital angular momentum. We represent such nanoparticles by two interacting rigid rotors one of which has a large…

介观与纳米尺度物理 · 物理学 2015-06-19 Keisuke Hatada , Kuniko Hayakawa , Augusto Marcelli , Fabrizio Palumbo