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The approach to calculating the effective dielectric and magnetic response in bounded composite materials is developed. The method is essentially based on the renormalisation of the dielectric matrix parameters to account for the surface…

Materials Science · Physics 2009-11-07 D. P. Makhnovskiy , L. V. Panina , D. J. Mapps , A. K. Sarychev

We derive the local density of states from itinerant and boundary states around transport barriers and edges in graphene and show that the itinerant states lead to mesoscale undulations that could be used to probe their scattering…

Mesoscale and Nanoscale Physics · Physics 2015-04-17 Daniel Gunlycke , Carter T. White

Distribution of charge induced by a gate voltage in a graphene strip is investigated. We calculate analytically the charge profile and demonstrate a strong(macroscopic) charge accumulation along the boundaries of a micrometers-wide strip.…

Mesoscale and Nanoscale Physics · Physics 2008-06-04 P. G. Silvestrov , K. B. Efetov

Theory of scattering of massive chiral fermions in bilayer graphene by radial symmetric potential is developed. It is shown that in the case when the electron wavelength is much larger than the radius of the potential the scattering…

Mesoscale and Nanoscale Physics · Physics 2007-09-02 M. I. Katsnelson

The performance of a double sided silicon strip detector (DSSSD), used for position and energy detection of heavy ions, is reported. The analysis shows that the incomplete charge collection (ICC) and charge sharing (CS) effects of the DSSSD…

Instrumentation and Detectors · Physics 2015-06-16 J L Han , J B Ma , X G Cao , Q Wang , J S Wang , Y Y Yang , P Ma , M R Huang , S L Jin , X J Rong , Z Bai , F Fu , Q Hu , R F Chen , S W Xu , J B Chen , L Jin , Y Li , M H Zhao , H S Xu

In this paper we present the complete derivation of the effective contour model for electrical discharges which appears as the asymptotic limit of the minimal streamer model for the propagation of electric discharges, when the electron…

Plasma Physics · Physics 2011-09-06 M. Arrayás , M. A. Fontelos

Understanding the effect of electric fields on the physical and chemical properties of two-dimensional (2D) nanostructures is instrumental in the design of novel electronic and optoelectronic devices. Several of those properties are…

Mesoscale and Nanoscale Physics · Physics 2014-08-19 Elton J. G. Santos

We use a formalism that describes electron ejections from graphene-like targets by dark matter (DM) scattering for general forms of scalar and spin 1/2 DM-electron interactions in combination with state-of-the-art density functional…

High Energy Physics - Phenomenology · Physics 2023-03-29 Riccardo Catena , Timon Emken , Marek Matas , Nicola A. Spaldin , Einar Urdshals

The influence of high electric fields on the charge stripe order in Nd1.67Sr0.33NiO4 was studied by means of simultaneous hard x-ray diffraction and electrical transport experiments. Direct measurements of the charge stripe satellite peaks…

Strongly Correlated Electrons · Physics 2009-11-11 M. Huecker , M. v. Zimmermann , G. D. Gu

The inner surfaces of the electrodes encompassing the gas volume of a Resistive Plate Chamber (RPC) have been found to exhibit asperities with, grossly, three kinds of features. The desired uniform electric field within the gas volume of…

Instrumentation and Detectors · Physics 2016-06-27 Abhik Jash , Nayana Majumdar , Supratik Mukhopadhyay , Subhasis Chattopadhyay

A Charge Density Wave (CDW) submitted to an electric field displays a strong shear deformation because of pinning at the lateral surfaces of the sample. This CDW transverse pinning was recently observed but has received little attention…

Strongly Correlated Electrons · Physics 2021-04-20 E. Bellec , V. L. R. Jacques , J. Caillaux , D. Le Bolloc'h

The heterogeneity of composite leads to the extra charge concentration at the boundaries of different phases that results essentially nonzero effective electric susceptability. The relation between tensors of effective electric…

Materials Science · Physics 2009-11-07 Leonid G. Fel , Ilia V. Kaganov

Recent results from the SENSEI experiment show that a cut on event clustering can reduce low-energy excesses in their eV-sensitive calorimeter. This hints at the role of surrounding uninstrumented surfaces in producing backgrounds. Charged…

Instrumentation and Methods for Astrophysics · Physics 2020-10-22 Alan E. Robinson

The manner in which signals propagate through dense granular systems in both space and time is not well understood. In order to learn more about this process, we carry out discrete element simulations of the system response to excitations…

Soft Condensed Matter · Physics 2008-05-15 L. Kondic , O. M. Dybenko , R. P. Behringer

We show how the electrical field inside the conductor changes as a function of the number of charged-particles. We show that the non-vanishing electrical field is concentrated near the surface of the conductor, at a shallow depth on the…

Classical Physics · Physics 2024-01-09 Nam H. Nguyen , Quy C. Tran , Thach A. Nguyen , Trung Phan

We have investigated charge sharing among the anode strips of a CdZnTe (CZT) detector using a 30 micrometer collimated gamma-ray beam. We compared the laboratory measurements with the predictions from our modeling of the charge transport…

Astrophysics · Physics 2009-11-06 E. Kalemci , J. L. Matteson

The Raman shift, broadening, and relative Raman intensities of bilayer graphene are computed as functions of the electron concentration. We include dynamic effects for the phonon frequencies and we consider the gap induced in the band…

Materials Science · Physics 2009-09-11 Paola Gava , Michele Lazzeri , A. Marco Saitta , Francesco Mauri

We present a comprehensive study of various electromagnetic wave propagation phenomena in a ferromagnetic bulk Rashba conductor from the perspective of quantum mechanical transport. In this system, both the space inversion and time reversal…

Mesoscale and Nanoscale Physics · Physics 2018-02-14 Junya Shibata , Akihito Takeuchi , Hiroshi Kohno , Gen Tatara

We induce surface carrier densities up to $\sim7\cdot 10^{14}$cm$^{-2}$ in few-layer graphene devices by electric double layer gating with a polymeric electrolyte. In 3-, 4- and 5-layer graphene below 20-30K we observe a logarithmic upturn…

Mesoscale and Nanoscale Physics · Physics 2018-02-21 R. S. Gonnelli , E. Piatti , A. Sola , M. Tortello , F. Dolcini , S. Galasso , J. R. Nair , C. Gerbaldi , E. Cappelluti , M. Bruna , A. C. Ferrari

This work continues the development of the raytracing method of [1] for computing the scattered fields from metasurfaces characterized by locally periodic reflection and transmission coefficients. In this work, instead of describing the…

Optics · Physics 2022-02-16 Scott Stewart , Yvo L. C. de Jong , Tom J. Smy , Shulabh Gupta