Haut PDF Fractional quantum Hall effect in multicomponent systems
Fractional quantum Hall effect in multicomponent systems
... one quantum of magnetic flux. As long as we remain in the RPA approximation, they can all be treated as free particles moving in the presence of the effective field which is given by the sum of the ...
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Searching for the Fractional Quantum Hall Effect in Graphite
... matter in a very strong magnetic field (B) continuously attracts the interest of physicists work- ing in various fields ranging from astrophysics [ 1 , 2 ] to semiconductors [ 3 ...tization in ...
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Photoluminescence fine structures in the fractional quantum Hall effect regime
... structure in the photoluminescence (PL) in the fractional quantum Hall effect regime at B = 4–6 T, where small Zeeman energy allows spin-depolarized ground ...dependence ...
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Anomalous structure in the single particle spectrum of the fractional quantum Hall effect
... χ versus ² is fit using a quadratic. The value of ² at the peak of this quadratic curve is then selected as the best scale factor for aligning the two spectra at this density. This process is repeated for every density ...
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Classification of Abelian and non-Abelian multilayer fractional quantum Hall states through the pattern of zeros
... on multicomponent quantum Hall systems should be able to probe an even wider variety of regimes with distinct effective ...study systems in which the spin degree of freedom is ...
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Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States
... plateaus in two- component systems at = 2 /3, 4/5, 4/7, 4/9, 6/5, 6/7, 1/4, ...33 In some cases, these plateaus have been observed in both bilayer and spin-unpolarized single-layer ...
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Anyon Condensation and Continuous Topological Phase Transitions in Non-Abelian Fractional Quantum Hall States
... relevant in the case p ¼ 3. The (330) state has been experimentally realized in double layer and wide quantum wells [ 10 ...state in the phase diagram, which can be realized by tuning the ...
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Electron quantum optics in quantum Hall edge channels
... of quantum-coherent electronic transport in mesoscopic structures by implementing analogs of quantum optics ...nanoscale systems have been investigated, in which conduction properties ...
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Quantum Hall phases and plasma analogy in rotating trapped Bose gases
... the fractional quantum Hall effect occurs in rapidly rotating trapped Bose gases: There is a transition from uncorrelated Hartree states to strongly correlated states such as the ...
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Helical quantum Hall phase in graphene on SrTiO 3
... The quantum Hall effect that arises in two-dimensional (2D) electron systems subjected to a perpendicular mag- netic field, B, stands out as a paradigmatic example characterized by the ...
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Complete spin phase diagram of the fractional quantum Hall liquid
... current in this ...decrease in the matrix element reduces the spin-down tunneling current and therefore increases the spin-polarization more than the maximum ...dips in the polarization ...
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Stopping electrons with radio-frequency pulses in the quantum Hall regime
... the quantum dynamics of the electronic ...gas in the quantum Hall ...This effect is intimately linked to the vanishing velocity of bulk states in the quantum Hall ...
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Quantum valley Hall effect and perfect valley filter based on photonic analogs of transitional metal dichalcogenides
... ) in real space in the direction perpendicular to the interface is perfect, as shown in ...valleys. In electronic systems, the practical argument which is put forward is that in ...
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Photonic versus electronic quantum anomalous Hall effect
... perimentally. In [39, 40] J is of the order or ...So in practice the topological transition is observable to- gether with the specific dispersion of the edge states in the different phases which are ...
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Competing ν = 5/2 fractional quantum Hall states in confined geometry
... similar in our ...plotted in Fig. 1; that fea- tures for the integer quantum Hall effect (IQHE) and the re- entrant IQHE occur at the same fields guarantees uniform density, and ...
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Dynamic of excitations of the Fractional quantum Hall effect : fractional charge and fractional Josephson frequency
... follows. In a rst chapter, the physics of 2D electron sys- tems at low temperature and under a high perpendicular magnetic eld is ...described. In the quantum picture, the energy spectrum of a real ...
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Engineering quantum coherence in the integer quantum Hall effect regime
... [22], in two dimensional electron systems like 2DEGs (if the sample is clean enough and if the temperature is low enough), at high magnetic field, the Hall resistance as function of the magnetic ...
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Bilayer quantum Hall phase transitions and the orbifold non-Abelian fractional quantum Hall states
... First, we develop a theory of a set of continuous quantum phase transitions in bilayer quantum Hall systems between well-known Abelian states—the ppq states14 —and a set of non-Abelian t[r] ...
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Extraordinary Hall effect based magnetic logic applications
... In conclusion, based on the fact that the sign of extraor- dinary (EHE) voltage depends both on the magnetization orientation and the input current sense, we develop two original architectures of magnetic logic ...
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Observation of the optical spin Hall effect
... fascinating quantum coherent effects 17,18 ...their in-plane wavevector. The polaritons scatter elastically with disorder in the system and redistribute around an elastic circle in reciprocal ...
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