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A method is presented to investigate diffraction of an electromagnetic plane wave by an infinitely thin infinitely conducting circular cylinder with longitudinal slots. It is based on the use of the combined boundary conditions method that…

光学 · 物理学 2007-05-23 B. Guizal , D. Felbacq

Transport through a molecule sandwiched between two metallic electrodes and coupled to a mesoscopic ring that threads a magnetic flux $\phi$ is studied. An analytic approach for the electron transport through the molecular bridge system is…

介观与纳米尺度物理 · 物理学 2010-01-10 Santanu K. Maiti

We apply an analysis of time-dependent spin-polarized current in a semiconductor channel at room temperature to establish how the magnetization configuration and dynamics of three ferromagnetic terminals, two of them biased and third…

介观与纳米尺度物理 · 物理学 2008-02-20 L. Cywinski , H. Dery , L. J. Sham

Large-amplitude magnetization dynamics is substantially more complex compared to the low-amplitude linear regime, due to the inevitable emergence of nonlinearities. One of the fundamental nonlinear phenomena is the nonlinear damping…

介观与纳米尺度物理 · 物理学 2019-11-22 Boris Divinskiy , Sergei Urazhdin , Sergej O. Demokritov , Vladislav E. Demidov

The Moody diagram, a plot of friction factor versus flow rate, is a well-known engineering tool for estimating head loss in pipe flows. It comprises well-defined relationships between friction factor and flow rate over the majority of…

流体动力学 · 物理学 2024-10-21 Rory T. Cerbus , Tom Mullin

We study a mechanical resonator made of aluminum near the normal to super conductivity phase transition. A sharp drop in the rate of mechanical damping is observed below the critical temperature. The experimental results are compared with…

超导电性 · 物理学 2017-05-24 Oren Suchoi , Eyal Buks

We performed studies of coherent electronic transport through a single walled carbon nanotube. In the calculations multiple scattering on the contacts and interference processes were taken into account. Conductance is a composition of…

材料科学 · 物理学 2016-08-31 W. Iwo Babiaczyk , Bogdan. R. Bulka

We investigate the magnetization dynamics of a conducting magnetic nanoparticle weakly coupled to source and drain electrodes, under the assumption that all relaxation comes from exchange of electrons with the electrodes. The magnetization…

介观与纳米尺度物理 · 物理学 2007-05-23 Xavier Waintal , Piet W. Brouwer

We report an interesting case where magnetic phenomena can transcend mesoscopic scales. Our system consists of tubes created by assembly of dipolar spheres. The cylindrical topology results in the breakup of degeneracy observed in the…

软凝聚态物质 · 物理学 2018-12-03 Igor Stanković , Miljan Dašić , Jorge A. Otálora , Carlos García

Electromagnetic crimping is a high-velocity joining method to join highly conductive workpieces where a pulsed magnetic field is applied without any working medium or mechanical contact to deform the workpiece. This work explores…

高能物理 - 实验 · 物理学 2021-05-18 Deepak Kumar , Shafeeque E. S. , Sachin D. Kore , Arup Nandy

When a gravitating point mass moves subsonically through a magnetized and isothermal medium, the dynamical structure of the flow is studied far from the mass using a perturbation analysis. Analytical solutions for the first-order density…

星系天体物理 · 物理学 2015-06-05 Mohsen Shadmehri , Fazeleh Khajenabi

We present a semiclassical study of a transport process, the tunneling, in the presence of a magnetic field and a dissipative environment. We have found that the problem can be mapped onto an effective one-dimensional one, and the tunneling…

凝聚态物理 · 物理学 2015-06-25 Ping Ao

In single electron tunneling through clean, suspended carbon nanotube devices at low temperature, distinct switching phenomena have regularly been observed. These can be explained via strong interaction of single electron tunneling and…

介观与纳米尺度物理 · 物理学 2015-09-24 D. R. Schmid , P. L. Stiller , C. Strunk , A. K. Hüttel

We investigate the electronic transport through a suspended carbon-nanotube quantum dot. In the presence of a magnetic field perpendicular to the nanotube and a nearby metallic gate, two forces act on the electrons: the Laplace and the…

介观与纳米尺度物理 · 物理学 2012-07-19 Gianluca Rastelli , Manuel Houzet , Leonid I. Glazman , Fabio Pistolesi

Decay of honeycomb-generated turbulence in a duct with a static transverse magnetic field is studied via direct numerical simulations. The simulations follow the revealing experimental study of Sukoriansky et al. (1986), in particular the…

流体动力学 · 物理学 2019-05-01 Oleg Zikanov , Dmitry Krasnov , Thomas Boeck , Semion Sukoriansky

We study the tunneling current through a mesoscopic two-terminal ring with spin-orbit coupling, which is threaded by a magnetic flux. The electron-electron interaction in the ring is described in terms of a Tomonaga-Luttinger model which…

介观与纳米尺度物理 · 物理学 2007-05-23 M. Pletyukhov , V. Gritsev , N. Pauget

The behavior of a magnetic fluid drop lying on a solid horizontal surface and surrounded by a nonmagnetic liquid under the action of a uniform magnetic field which is rotating in a vertical plane with low frequency (of the order of 1 Hz)…

软凝聚态物质 · 物理学 2015-03-13 Arthur Zakinyan , Oksana Nechaeva , Yury Dikansky

The magnetic switching of ferromagnetic nanotubes is investigated as a function of their geometry. Two independent methods are used: Numerical simulations and analytical calculations. It is found that for long tubes the reversal of…

材料科学 · 物理学 2015-06-25 P. Landeros , S. Allende , J. Escrig , E. Salcedo , D. Altbir , E. E. Vogel

Observations of magnetic clouds, within interplanetary coronal mass ejections (ICMEs), are often well described by flux rope models. Most of these assume either a cylindrical or toroidal geometry. In some cases, these models are also…

Four-terminal resistance measurements have been carried out on Zn nanowires formed using electron-beam lithography. When driven resistive by current, these wires re-enter the superconducting state upon application of small magnetic fields.…

介观与纳米尺度物理 · 物理学 2009-04-16 Yu Chen , S. Snyder , A. M. Goldman