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The integer quantum Hall effect I


Quantum Hall effect - Wikipedia

The striking feature of the integer quantum Hall effect is the persistence of the quantization (i.e. the Hall plateau) as the electron density is varied. Since ...

Integer Quantum Hall Effect - ETH Zürich

For the discovery of the integer quantum Hall effect,. Klaus von Klitzing won the nobel prize in 1985. The quantisation of the conductivity happens for dirty, ...

2. The Integer Quantum Hall Effect - DAMTP

In contrast, when we come to discuss the fractional quantum Hall effect in Section 3, the interactions between electrons will play a key role. 2.1 Conductivity ...

The Integer Quantum Hall Effect - UBC Physics & Astronomy

This is the (integer) quantum Hall effect (QHE). The observation that the Hall conductivity is exactly quantized as in equation (2) for any magnetic field.

The integer quantum Hall effect I

We know the basic phenomenology of the quantum Hall effect (QHE). • We know the structure of the lowest Landau level (LLL). • We understand the role of disorder ...

The integer quantum Hall effect I - Physics Courses

Let us now see how this spectral flow effect applies to the quantum Hall problem. 3.1.2 The ribbon geometry. Laughlin proposed that if xy is quantized, it ...

The Integer Quantum Hall Effect | SpringerLink

The current that flows in the quantum Hall state is a kind of supercurrent, and there is no dissipation. The supercurrent in an ordinary super conductor is ...

Integer and fractional quantum Hall effects: An Introduction - YouTube

Speaker: Matthew A. Grayson (EECS, NU) "The workshop on Semiconductors, Electronic Materials, Thin Films and Photonic Materials" Tel Aviv ...

Metrology and microscopic picture of the integer quantum Hall effect

The application of the QHE in metrology requires the use of high current, resulting in high Hall voltage drops. They should not happen on narrow ...

Even-integer quantum Hall effect in an oxide caused by a hidden ...

In the presence of a high magnetic field, quantum Hall systems usually host both even- and odd-integer quantized states because of lifted ...

Integer and fractional quantum Hall effects - IOPscience

For the integer quantum Hall effect (IQHE), ρxy = {h/νe2}, where h is the Planck constant, e is the charge of an electron and ν is an integer, while for the ...

Phys. Rev. B 75, 165411 (2007) - Theory of integer quantum Hall ...

The observed quantization of the Hall conductivity in graphene at ... Theory of integer quantum Hall effect in graphene. Igor F. Herbut.

The Quantum Hall Effect - DAMTP

The integer quantum Hall effect can be understood using free electrons. ... In other words, the fractional quantum Hall effect can be thought of as an integer.

[1512.00288] Emergence of integer quantum Hall effect from chaos

Title:Emergence of integer quantum Hall effect from chaos ... Abstract:We present an analytic microscopic theory showing that in a large class of ...

[PDF] The Integer Quantum Hall Effect | Semantic Scholar

The integer quantum Hall effect concerns the transport properties of a 2-dimensional electron system in the presence of a magnetic field.

Influence of interactions on Integer Quantum Hall Effect

Each Landau level broadens into a band, and extended states are located near the central energy of the band (otherwise they are localized states). When chemical ...

INTRODUCTION TO THE QUANTUM HALL EFFECT - YouTube

Comments14. edbert kwesi. oooooooohhhhhhhh!!!! profffesor you got me inspired , iam coming to israel . i love quantum hall effect.

Chern number and edge states in the integer quantum Hall effect

We consider the integer quantum Hall effect on a square lattice in a uniform rational magnetic field. The relation between two different ...

The integer quantum Hall effect and Anderson localisation

The existence of the integer quantum Hall effect (IQHE) depends crucially on Anderson localisation, and, conversely, many aspects of the delocalisation ...

Breakdown of topological protection by cavity vacuum fields in the ...

Here, we report experimental results that reveal modifications of the integer quantum Hall effect in Hall bars immersed in an electronic ...


Quantum Hall effect

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The quantum Hall effect is a quantized version of the Hall effect which is observed in two-dimensional electron systems subjected to low temperatures and strong magnetic fields, in which the Hall resistance Rxy exhibits steps that take on the quantized values

Quantum spin Hall effect

The quantum spin Hall state is a state of matter proposed to exist in special, two-dimensional semiconductors that have a quantized spin-Hall conductance and a vanishing charge-Hall conductance.

The Fractional Quantum Hall Effect in a relativistic quantum field theory

Quantum point contact

A quantum point contact is a narrow constriction between two wide electrically conducting regions, of a width comparable to the electronic wavelength.

Chern–Simons theory

The Chern–Simons theory is a 3-dimensional topological quantum field theory of Schwarz type developed by Edward Witten. It was discovered first by mathematical physicist Albert Schwarz.

Klaus von Klitzing

German physicist https://encrypted-tbn3.gstatic.com/images?q=tbn:ANd9GcTxMUzi38fyNHEjviiyxGEwWIoSvOknuXinrmIwfELY-ERXP6Qp

Klaus von Klitzing is a German physicist, known for discovery of the integer quantum Hall effect, for which he was awarded the 1985 Nobel Prize in Physics.