نتایج جستجو برای: hall effects

تعداد نتایج: 1603451  

Journal: :Communications physics 2022

Abstract Recently, it has been pointed out that the twisting of bilayer WSe 2 would generate topologically non-trivial flat bands near Fermi energy. In this work, we show twisted (tWSe ) with uniaxial strain exhibits a large nonlinear Hall (NLH) response due to Berry curvatures bands. Moreover, NLH effect is greatly enhanced topological phase transition point which can be tuned by vertical disp...

Journal: :Progress of Theoretical Physics 1994

Journal: :journal of solid mechanics 0
r kumar department of mathematics, kurukshetra university , kurukshetra, haryana, india n sharma department of mathematics, mm university, mullana, ambala, haryana, india p lata department of basic and applied sciences, punjabi university, patiala, punjab, india

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. ...

Journal: :Physical review letters 2009
Satoshi Fujimoto

We examine a possible spin Hall effect for localized spin systems with no charge degrees of freedom. In this scenario, a longitudinal magnetic field gradient induces a transverse spin current carried by spin wave excitations with an anomalous velocity which is caused by a topological Berry-phase effect associated with spin chirality, in analogy with anomalous Hall effects in itinerant electron ...

2017
Marco Crescentini Michele Biondi Aldo Romani Marco Tartagni Enrico Sangiorgi

This manuscript analyzes the effects of design parameters, such as aspect ratio, doping concentration and bias, on the performance of a general CMOS Hall sensor, with insight on current-related sensitivity, power consumption, and bandwidth. The article focuses on rectangular-shaped Hall probes since this is the most general geometry leading to shape-independent results. The devices are analyzed...

2005
Baruch Horovitz Victor Kagalovsky Yshai Avishai

Layered singlet paired superconductors with disorder and broken time reversal symmetry are studied focusing on edge states and the corresponding quantum Hall effects. We find quantum Hall phases with spin Hall coefficients of σ xy = 0, 2 separated by a spin metal phase. We identify a spin metal-insulator localization exponent as well as a spin conductivity exponent of ≈ 0.96. In presence of a Z...

2008
Kun Yang M. Shayegan

We report in this paper results of experimental and theoretical studies of transitions between different integer quantum Hall phases, as well as transition between the insulating phase and quantum Hall phases at high magnetic fields. We focus mainly on universal properties of the transitions. We demonstrate that properly defined conductivity tensor is universal at the transitions. We also prese...

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