Temperature Evolution of the Quantum Hall Effect in Quasi-One-Dimensional Organic Conductors
نویسندگان
چکیده
The Hall conductivity in the magnetic-field-induced spin-density-wave (FISDW) state of the quasi-onedimensional organic conductors (TMTSF)2X at a finite temperature is calculated. The temperature dependence of the Hall conductivity is found to be the same as the temperature dependence of the Fröhlich current of a regular charge/spin-density wave. Predicted dependence σxy(T ) can be verified experimentally in the (TMTSF)2X compounds if all components of the resistivity tensor are measured and the conductivity tensor is reconstructed.
منابع مشابه
Temperature evolution of the quantum Hall effect in the FISDW state: Theory vs Experiment
We discuss the temperature dependence of the Hall conductivity σxy in the magneticfield-induced spin-density-wave (FISDW) state of the quasi-one-dimensional Bechgaard salts (TMTSF)2X. Electronic thermal excitations across the FISDW energy gap progressively destroy the quantum Hall effect, so σxy(T ) interpolates between the quantized value at zero temperature and zero value at the transition te...
متن کاملQuantum Hall Effect in Quasi-One-Dimensional Conduc- tors: The Roles of Moving FISDW, Finite Temperature, and Edge States
— This paper reviews recent developments in the theory of the quantum Hall effect (QHE) in the magnetic-field-induced spin-density-wave (FISDW) state of the quasi-one-dimensional organic conductors (TMTSF)2X. The origin and the basic features of the FISDW are reviewed. The QHE in the pinned FISDW state is derived in several simple, transparent ways, including the edge states formulation of the ...
متن کاملشبیه سازی اثر بی نظمی و میدان مغناطیسی بر ترابرد کوانتومی نانوساختارهای دو بعدی مدل شده با تقریب تنگابست
In recent years, semiconductor nanostructures have become the model systems of choice for investigation of electrical conduction on short length scales. Quantum transport is studied in a two dimensional electron gas because of the combination of a large Fermi wavelength and large mean free path. In the present work, a numerical method is implemented in order to contribute to the understanding ...
متن کاملQuantum Hall Eeect in Quasi-one-dimensional Conduc- Tors: the Roles of Moving Fisdw, Finite Temperature, and Edge States
| This paper reviews recent developments in the theory of the quantum Hall eeect (QHE) in the magnetic-eld-induced spin-density-wave (FISDW) state of the quasi-one-dimensional organic conductors (TMTSF) 2 X. The origin and the basic features of the FISDW are reviewed. The QHE in the pinned FISDW state is derived in several simple, transparent ways, including the edge states formulation of the p...
متن کاملHall effect in quasi one-dimensional organic conductors
We study the Hall effect in a system of weakly coupled Luttinger Liquid chains, using a Memory function approach to compute the Hall constant in the presence of umklapp scattering along the chains. In this approximation, the Hall constant decomposes into two terms: a high-frequency term and a Memory function term. For the case of zero umklapp scattering, where the Memory function vanishes, the ...
متن کامل