Integer quantum hall effect
Interactions in the integer quantum Hall effect
... The advent of semiconducting devices and their use in integrated circuits was nothing short of a social revolution and clearly marked the brink of a new era. Transistors and diodes became indispensable as they made their ...
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Spin Flip Scattering at Quantum Hall Transition
... of Hall conduc- tance in integer quantum Hall effect represents a pro- found example of electronic ...the integer quantum Hall effect (QHE) ...
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Thermoelectric transport in the Quantum Hall regime
... the Hall resistance in semi-conductors, which had previously been believed to be continuous, was in fact ...the integer quantum Hall ...fractional quantum Hall ...The ...
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Evidence for the Josephson Effect in Quantum Hall Bilayers
... the integer quantum Hall effect (IQHE) [23], observed in relatively low quality crystals; the fractional quantum Hall effect (FQHE) [24] found in cleaner materials; and ...
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The Triggering Role of Carrier Mobility in the Fractional Quantum Hall Effect Formation—An Evidence in Graphene
... the integer quantum Hall effect (IQHE) is re- garded as a single-particle effect and by topology con- ditioned phenomenon related to Landau level (LL) quan- tization (as it has been ...
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Imaging of condensed quantum states in the quantum hall effect regime
... coherent quantum states in ...the quantum Hall ...the quantum Hall plateau transition regimes, the tip causes a strong response if it hits such a ...the integer quantum ...
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Unconventional quantum Hall effect and Berry’s phase 2pi in bilayer graphene
... the integer quantum Hall ...conventional quantum Hall effect, characteristic of two-dimensional semiconductor systems [1,2], and the other is its relativistic counterpart ...
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Scanning capacitance imaging of compressible and incompressible quantum Hall effect edge strips
... Between integer filling factors the edge strips at the physical sample edges and at potential fluctuations in the bulk extend and broaden and form a percolating network of compressible regions ...
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Strong Electric Field in 2D Graphene: The Integer Quantum Hall Regime from a Different (Many Body) Perspective
... to Quantum Hall Insulators [4], violating the time reversal symmetry that controls the topol- ogy of the surface ...the Hall conductivity [5], and which is the central quantity in the present ...the ...
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The quantum percolation model of the scaling theory of the quantum Hall effect: a unifying model for plateau-to-plateau transitions
... to integer filling factors, however, screening becomes non-linear and the electron density exhibits strong inhomogeneities across the surface of the 2DES ...
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Tunneling Experiments in the Fractional Quantum Hall Effect Regime
... only integer charge is observed in experiments (the Luttinger liquid properties of the edges forces the quasiparticles to ‘bunch’ to form ordinary ...fractional quantum Hall effect is the ...
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Proposal on Tunneling Effect between Quantum Hall States
... the integer and fractional quantum Hall effects, the electric current flows through a thin layer under the strong mag- netic ...at integer and specific fractional filling factors where the ...
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Integer and fractional quantum hall effects in lattice magnets
... the quantum numbers connected to the topological invariant of the sys- tem are insensitive to microscopic details, and the physical properties associated to these quantum numbers are uniquely ...the ...
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Homotopy Approach to Fractional Quantum Hall Effect
... Some attributes characteristic for FQHE have been indicated within this model for fractional fillings 1/3 and 1/5 (in the latter case repulsion V was required above a certain threshold value, unless U enhances strongly) ...
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The quantum Hall effect : spin-charge locking
... So when effort is made to push a field in a ring of a superconductor, quantized field is found. The magnetic field B became quantized according to B.A=nhc/2e. Here A is the area in which field got quantized, n is an ...
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Infinite symmetry in the quantum Hall effect
... Since ρ = S (σ) this group acts identically on conductivity and resistivity, but this is not so for (most) subgroups, in which case we have to be clear about what z is. It is the fact that T and S do not commute that ...
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Terahertz quantum Hall effect for spin split heavy hole gases in strained Ge quantum wells
... near integer filling factors. A qualitative difference between samples with different well thicknesses is the presence or absence of plateaux at odd ν . This difference is linked to the contrasting Landau fan ...
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Electron Monopole Duality in Quantum Hall Effect
... The Hall Effect was discovered by Sir Edwin Hall [1] in 1879 while he was under graduate student in Johns Hop- kins ...until quantum mechanics came in to appearance. A hundred years later, the ...
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Prediction of Quantum Anomalous Hall Effect in MBi and MSb (M:Ti, Zr, and Hf) Honeycombs
... Tables 1 and 2 show the equilibrium lattice constants for M-Bi and M-Sb structures. The associated band gap, mag- netic moment, phase, and material classification are also indicated. QAHE is present when the calculated ...
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Rashba spin splitting and terahertz quantum Hall effect for heavy holes in strained germanium quantum wells
... This thesis presents a thorough characterisation - by means of THz-TD magneto-spectroscopy (THz-TDMS) and polarisation resolved (PR)-THz-TDMS - of high mobility 2DHGs in 0.8% and 1.3% compressively strained germanium ...
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