Landau fan及其各衍生结构在对石墨烯体系的磁输运实验中经常出现，经常用于揭示其中存在的各类拓扑磁性关联...
LandaulevelsCherninsulatortopologicalmatterThe quantum Hall effect(QHE)with quantized Hall resistance ofh/ve2 started the research on topological quantum states and laid the foundation of topology in physics.Since then,Haldane proposed the QHE without Landau levels,showing nonzero Chern number|C|=1,...
(GSM) from the low-energy excited states with a magnitude dependent on the interaction strengths U and V, and the GSM carrying a unit total Chern number as a topological invariant protected by the spectrum gap, resulting in a fractional effect of 1/p quantum for each energy level in the ...
The Physical Significance of Singularities in the Chern--Simons Fermi Liquid Description of a Partially Filled Landau Level We analyze the linear response of a half-filled Landau level to long wavelength and low-frequency driving forces, using Fermi liquid theory for composite f... A Stern,BI Ha...
sponds to the reduction of the Hilbert space of the Landau problem to the first level. The Lagrangian now becomes L = κ 4π θ 2 ˙ θ 1 −θ 1 ˙ θ 2 and H vanishes identically. From the Lagrangian one sees that θ 1 and θ 2 become canonical variables of the reduced phas...
Landau level index j and an inner quantum number m that is related to angular momentum. New field oper- ators c j,m = dx ψ(x) jm|x may be defined and in terms of these the projected electron field operators are ψ P (x) = m c 0,m x|0m . The projected Hamiltonian ...
The Landau quantization of these fermions results in plateaus in Hall conductivity at standard integer positions, but the last (zero-level) plateau is ... KS Novoselov,E Mccann,SV Morozov,... - 《Nature Physics》 被引量: 1934发表: 2006年 ...
We describe the lowest Landau level of a quantum electron star in AdS4. In the presence of a suitably strong magnetic field, the dynamics of fermions in the bulk is effectively reduced from four to two dimensions. These two-dimensional fermions can subsequently be treated using the techniques ...
Landau fan是对Hall体系的一个标准的表征谱，通常用于二维电子体系的磁输运实验中。一个处于低温强磁场下...
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