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The opportunities which are offered by a next generation and multi-purpose fixed-target experiment exploiting the proton and lead LHC beams extracted by a bent crystal are outlined. In particular, such an experiment can greatly complement…

We introduce a quasi-phase-matched technique in quadratic nonlinear crystals, constructing an artificial gauge field by changing the inclination angle of stripes, which is realized by the positive and negative polarization directions of…

This review article discusses limit distributions and variance bounds for particle current in several dynamical stochastic systems of particles on the one-dimensional integer lattice: independent particles, independent particles in a random…

Probability · Mathematics 2010-07-01 Timo Seppäläinen

We study the polarization of an electron scattered by different static potentials. The initial state of the electron is chosen as a wavepacket to construct the definite orbital angular momentum, and the final polarization of the electron,…

High Energy Physics - Phenomenology · Physics 2024-11-21 Hao-Hao Peng , Ren-Hong Fang

We study current-current correlation in an electronic analog of a beam splitter realized with edge channels of a fractional quantum Hall liquid at Laughlin filling fractions. In analogy with the known result for chiral electrons, if the…

Mesoscale and Nanoscale Physics · Physics 2016-03-09 G. Campagnano , P. Lucignano , D. Giuliano

We study the effect of perpendicular magnetic fields on a single-electron system with a strongly time-dependent electrostatic potential. Continuous improvements to the current quantization in these electron pumps are revealed by…

We evaluate the electrostatic potential and the electrostatic field created by a point charge and an arbitrarly oriented electrical dipole placed near a grounded perfectly conducting sphere. Induced surface charge distributions as well as…

Physics Education · Physics 2013-04-18 F C Santos , A C Tort

The role of commensurability and the interplay of correlated disorder and interactions on vortex dynamics in the presence of columnar pins is studied via molecular dynamics simulations. Simulations of dynamics reveal substantial caging…

Superconductivity · Physics 2009-11-10 M. E. Gallamore , G. E. D. McCormack , T. P. Devereaux

We consider a tunnel junction between two arbitrary non-linear systems in any dimension, which can be different. We show that the tunneling charge can be detected using three alternative methods based on current measurements. Besides being…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Ines Safi , Eugene V. Sukhorukov

Optimally-chiral electromagnetic fields with maximized helicity density, recently introduced in [1], enable chirality characterization of optically small nanoparticles. Here, we demonstrate a technique to obtain optimally-chiral nearfields…

Applied Physics · Physics 2020-12-02 Mina Hanifeh , Mohammad Albooyeh , Filippo Capolino

Concentric ring exciton polariton condensates emerging under non-resonant laser pump in an annular trapping potential support persistent circular currents of polaritons. The trapping potential is formed by a cylindrical micropillar etched…

Mesoscale and Nanoscale Physics · Physics 2024-03-07 Vladimir Lukoshkin , Evgeny Sedov , Vladimir Kalevich , Z. Hatzopoulos , P. G. Savvidis , Alexey Kavokin

The precise positioning of dopants in semiconductors using scanning tunneling microscopes has led to the development of planar dopant-based devices, also known as $\delta$-layers, facilitating the exploration of new concepts in classical…

Mesoscale and Nanoscale Physics · Physics 2023-12-20 Juan P. Mendez , Denis Mamaluy

Optimized stellarator configurations and their analytical properties are obtained using a near-axis expansion approach. Such configurations are associated with good confinement as the guiding center particle trajectories and neoclassical…

Plasma Physics · Physics 2020-08-26 R. Jorge , W. Sengupta , M. Landreman

A single-field-period quasi-isodynamic stellarator configuration is presented. This configuration, which resembles a twisted strip, is obtained by the method of direct construction, that is, it is found via an expansion in the distance from…

Plasma Physics · Physics 2022-11-23 R. Jorge , G. G. Plunk , M. Drevlak , M. Landreman , J. -F. Lobsien , K. Camacho Mata , P. Helander

Patch potentials arising from the polycrystalline structure of material samples may contribute significantly to measured signals in Casimir force experiments. Most of these experiments are performed in the sphere-plane geometry, yet, up to…

Other Condensed Matter · Physics 2013-01-11 R. O. Behunin , Y. Zeng , D. A. R. Dalvit , S. Reynaud

We present a general theory for the equilibrium current distribution in an interacting two-dimensional electron gas subjected to a perpendicular magnetic field, and confined by a potential that varies slowly on the scale of the magnetic…

Condensed Matter · Physics 2016-08-31 Michael R. Geller , Giovanni Vignale

A numerical study is made of current distributions in finite-width Hall bars with disorder and some theoretical observations are verified. The equilibrium current and the Hall current are substantially different in distribution. It is…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 K. Shizuya

The maturity of current detectors based on technologies that range from solid state to gases renewed the interest for X-ray polarimetry, raising the enthusiasm of a wide scientific community to improve the performance of polarimeters as…

Instrumentation and Methods for Astrophysics · Physics 2018-05-14 Sergio Fabiani

Harmonic and transient eddy currents in a liquid metal positioned above an excitation coil are determined by measuring the voltage drop in a simple potential probe. The resulting spatio-temporal eddy current field is compared with the…

Fluid Dynamics · Physics 2009-05-13 Jan Forbriger , Vladimir Galindo , Gunter Gerbeth , Frank Stefani

A novel concept of a measurement technology for the localization and determination of the size of gas bubbles is presented, which is intended to contribute to a further understanding of the dynamics of efficiency-reducing gas bubbles in…

Fluid Dynamics · Physics 2023-07-24 L. Krause , N. Kumar , T. Wondrak , S. Gumhold , S. Eckert , K. Eckert
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