نتایج جستجو برای: hall

تعداد نتایج: 70828  

2018

Basic Chinese 2 [4] Tuesday, 02/06 to 04/17 10 Classes 5:30 to 7 p.m. Brown Hall [2] Room 4010 Chinese Ink Painting Session 2 [3] Wednesday, 02/07 to 04/18 10 Classes 5:30 to 7 p.m. Brown Hall [2] Room 4025 Intermediate Chinese Language 1 [4] Wednesday, 02/07 to 04/18 10 Classes 5:30 to 7 p.m. Brown Hall [2] Room 4010 Intermediate Chinese Language 2 [4] Wednesday, 02/07 to 04/18 10 Classes 5:30...

1998
Stefan Blawid

We explain the anomalous features in the Hall data observed experimentally in the ”normal” state of the high-Tc superconductors. We show that a consistent treatment of the local spin fluctuations in a model with x-ray edge singularities in d = ∞ reproduces the temperature (T ) and the doping dependence (x) of the Hall constant RH as well as the Hall angle in the normal state. The model has also...

Journal: :Science 2013
Cui-Zu Chang Jinsong Zhang Xiao Feng Jie Shen Zuocheng Zhang Minghua Guo Kang Li Yunbo Ou Pang Wei Li-Li Wang Zhong-Qing Ji Yang Feng Shuaihua Ji Xi Chen Jinfeng Jia Xi Dai Zhong Fang Shou-Cheng Zhang Ke He Yayu Wang Li Lu Xu-Cun Ma Qi-Kun Xue

The quantized version of the anomalous Hall effect has been predicted to occur in magnetic topological insulators, but the experimental realization has been challenging. Here, we report the observation of the quantum anomalous Hall (QAH) effect in thin films of chromium-doped (Bi,Sb)2Te3, a magnetic topological insulator. At zero magnetic field, the gate-tuned anomalous Hall resistance reaches ...

2008
T. Tanaka

We investigate the extrinsic spin Hall effect in the electron gas model due to magnetic impurities, by focusing on Ceand Yb-impurities. In the dilute limit, the skew scattering term dominates the side jump term. For Ce-impurities, the spin Hall angle αSH due to skew scattering is given by −8πδ2/7, where δ2 (≪ 1) is the phase shift for d (l = 2) partial wave. Since αSH reaches O(10 ) if δ2 > ∼ 0...

A. K. Singh‎ D. ‎Kumar‎, Mr. Sarveshanand‎

This paper has examined the analytical solution of steady fully developed natural convective flow of a viscous incompressible and electrically conducting fluid between vertical channel by taking the Hall current and induced magnetic field into account. We have obtained the non-dimensional simultaneous ordinary differential equations using the suitable non-dimensional variables and parameters in...

Ali Mohammad Alimohammadi Dorsa Najari, Fares Najari, Hadi Jafari

Objective: Determination of victim’s clothes in gunshot wounds is important due to the necessity of immediate workup in the emergency room as well as the legal aspects of cases. The aim of this study is to evaluate the importance of victim’s clothes in gunshot wounds referred to autopsy hall of legal medicine bureau of Tehran, Iran from 2014 to 2017.Methods: In this analytical comparative...

N Sharma P Lata, R Kumar,

The present paper is concerned with  the investigation of disturbances in a homogeneous  transversely isotropic thermoelastic rotating  medium with two temperatures, in the presence of the combined effects of   Hall currents and magnetic field due to thermomechanical sources. The formulation is applied to the thermoelasticity theories developed by Green-Naghdi Theories of Type-II and Type-III. ...

2008
Mark Wardle

The Hall effect arises in a plasma when electrons are able to drift with the magnetic field but ions cannot. In a fully-ionized plasma this occurs for frequencies between the ion and electron cyclotron frequencies because of the larger ion inertia. Typically this frequency range lies well above the frequencies of interest (such as the dynamical frequency of the system under consideration) and c...

2007
J. A. Pons U. Geppert

Context. We study the non–linear evolution of magnetic fields in neutron star crusts with special attention to the influence of the Hall drift. Aims. Our goal is to understand the conditions for fast dissipation due to the Hall term in the induction equation. We study the interplay of Ohmic dissipation and Hall drift in order to find a timescale for the overall crustal field decay. Methods. We ...

2007
Sandra Bellekom Song Yin Anton Bakker

integrated switches Sandra Bellekom, Song Yin and Anton Bakker Delft University of Technology Department of Electrical Engineering, Electronic Instrumentation Laboratory, Mekelweg 4, 2628 CD Delft, The Netherlands Tel. +31 (0)15-278 3342 fax. +31 (0)15-278 5755 [email protected] Abstract|Hall plates are magnetic sensors. Made in a standard IC process they have the advantage of being cheap...

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