Charge Density Wave in Two-Dimensional Electron Liquid in Weak Magnetic Field
نویسندگان
چکیده
منابع مشابه
Charge density wave in two-dimensional electron liquid in weak magnetic field.
We study the ground state of a clean two-dimensional electron liquid in a weak magnetic field where N ¿ 1 lower Landau levels are completely filled and the upper level is partially filled. It is shown that the electrons at the upper Landau level form domains with filling factors equal to 1 and zero. The domains alternate with a spatial period of order of the cyclotron radius, which is much larg...
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We study the spectral density function of a two-dimensional electron liquid in a weak magnetic field, the filling factor ν ≫ 1. A hydrodynamic model for low-energy excitations of the liquid is developed. It is found that even at ν ≫ 1 the density of states exhibits a gap at low energies. Its width 2E 0 depends on the strength of interaction only logarithmically, 2E 0 = (¯ hω c /ν) ln(νe 2 /ε¯ h...
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We consider a clean two-dimensional electron liquid in a weak magnetic field where N@1 lower Landau levels are completely filled, while the upper level is only partially filled. Due to a screening by the lower Landau levels, the repulsive interaction between any two electrons at the upper level as a function of the separation between the guiding centers of their cyclotron orbits abruptly drops ...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 1996
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.76.499