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Proposing a combined system of a nanoparticle and a plane surface in the presence of electromagnetic vacuum fluctuations, the electromagnetic and medium fields have been quantized. Quantum friction of nanoparticle due to the presence of…

量子物理 · 物理学 2016-07-15 Vahid Ameri

We study the fluctuation electromagnetic interaction in a system of two rotating electrically neutral nonmagnetic particles with allowance for relativistic retardation effect. The particles are assumed to have different temperatures being…

介观与纳米尺度物理 · 物理学 2012-10-26 A. A. Kyasov , G. V. Dedkov

For the first time, using nonrelativistic approach we have calculated the attraction force, friction torque and the rate of radiation heat exchange in the system of two sprerical rotating particles located at a distance between one another.

介观与纳米尺度物理 · 物理学 2012-09-24 A. A. Kyasov , G. V. Dedkov

Fluctuation electromagnetic interaction between a small rotating particle and a polarizable surface produces the friction torque on the particle, changes the attraction force (van -der -Waals force) and the rate of heat exchange in this…

其他凝聚态物理 · 物理学 2012-09-11 A. A. Kyasov , G. V. Dedkov

We study fluctuation electromagnetic interaction between small neutral rotating particle and polarizable surface. The attraction force, friction torque and heating are produced by the particle polarization and fluctuating near-field of the…

其他凝聚态物理 · 物理学 2012-10-29 G. V. Dedkov , A. A. Kyasov

We review the fluctuation electromagnetic theory of attraction, friction and heating of neutral nonmagnetic nanoparticles moving with constant velocity in close vicinity to the solid surface. The theory is based on an exact solution of the…

其他凝聚态物理 · 物理学 2009-03-06 G. V. Dedkov , A. A. Kyasov

Based on the fluctuation-electromagnetic theory, we have calculated the retarded force of attraction, frictional moment and heating rate of a neutral particle rotating near a polarizable surface. The particle and surface are characterized…

介观与纳米尺度物理 · 物理学 2013-04-01 A. A. Kyasov , G. V. Dedkov

Closed nonrelativistic (nonretarded) theory of conservative and dissipative electromagnetic forces and heat exchange between moving particles (nanoprobes) and a surface (flat and cylindrical) is reviewed. The formalism is based on methods…

介观与纳米尺度物理 · 物理学 2011-03-29 G. V. Dedkov , A. A. Kyasov

Light carries both spin and momentum. Spin-orbit interactions of light come into play at the subwavelength scale of nano-optics and nano-photonics, where they determine the behaviour of light. These phenomena, in which the spin affects and…

We analyze the radiative forces between two dielectric nanospheres mediated via the quantum and thermal fluctuations of the electromagnetic field in the presence of an external drive. We generalize the scattering theory description of…

量子物理 · 物理学 2024-07-08 Clemens Jakubec , Pablo Solano , Uroš Delić , Kanu Sinha

Based on the fluctuation-electromagnetic theory, we have calculated tangential (frictional) and normal forces, radiation heat flux and frictional torque on a small rotating particle moving at a nonrelativistic velocity close to a smooth…

量子物理 · 物理学 2013-02-28 A. A. Kyasov , G. V. Dedkov

The exploration of the rich dynamics of electrons is a frontier in fundamental nano-physics. The dynamical behavior of electrons is dominated by random and chaotic thermal motion with ultrafast ($\approx$ ps) and nanoscale scatterings. This…

介观与纳米尺度物理 · 物理学 2021-08-11 Ruijie Qian , S. T. Chui , Zhenghua An , y Hongtao Xu , Zhifang Lin , Zian Ji , Wei Lu

Quantum vacuum fluctuations of the electromagnetic field result in two signatures on a harmonically trapped charged particle: a shift from the natural trap frequency and generation of quantum coherences. We assess the role of the…

量子物理 · 物理学 2024-12-17 Aaron Malcolm , B. Sharmila , Zhi-Wei Wang , Animesh Datta

The effects of electromagnetic vacuum fluctuations with the boundary on charged particles is investigated. They may be observed via an electron interference experiment near the conducting plate, where boundary effects of vacuum fluctuations…

高能物理 - 理论 · 物理学 2008-11-26 Tai-Hung Wu , Jen-Tsung Hsiang , Da-Shin Lee

Based on a microscopic approach, we propose a Lagrangian for the combined system of a rotating dielectric nanoparticle above a plane surface in the presence of electromagnetic vacuum fluctuations. In the framework of canonical quantization,…

量子物理 · 物理学 2015-08-19 Vahid Ameri , Mehdi Shafei Aporvari , Fardin Kheirandish

Orientational fluctuations of colloidal particles with magnetic moments may be rectified with the help of external magnetic fields with suitably chosen time dependence. As a result a noise-driven rotation of particles occurs giving rise to…

统计力学 · 物理学 2013-05-29 Volker Becker Andreas Engel

Motivated by recent experiments, we investigate the nonreciprocal magnetoelastic interaction between the surface acoustic phonons of dielectric non-magnetic substrates and magnons of proximity nanomagnets. The magnetization dynamics exerts…

介观与纳米尺度物理 · 物理学 2020-10-21 Tao Yu

For the first time, we calculate the heating rate, attractive conservative and tangential dissipative fluctuation electromagnetic forces felt by a thick plate moving parallel to a closely spaced another plate in rest using a nonrelativistic…

其他凝聚态物理 · 物理学 2009-04-02 G. V. Dedkov , A. A. Kyasov

We investigate the frictional forces due to quantum fluctuations acting on a small sphere rotating near a surface. At zero temperature, we find the frictional force near a surface to be several orders of magnitude larger than that for the…

材料科学 · 物理学 2012-09-26 Rongkuo Zhao , Alejandro Manjavacas , F. Javier García de Abajo , J. B. Pendry

A levitated non-spherical nanoparticle in a vacuum is ideal for studying quantum rotations and is an extremely sensitive torque and force detector. It has been proposed to probe fundamental particle-surface interactions such as the Casimir…

量子物理 · 物理学 2024-06-17 Peng Ju , Yuanbin Jin , Kunhong Shen , Yao Duan , Zhujing Xu , Xingyu Gao , Xinjie Ni , Tongcang Li
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