Quantum Anomalous Hall Insulator of Composite Fermions
نویسندگان
چکیده
منابع مشابه
Composite Fermions in Fractional Quantum Hall Systems
The composite Fermion (CF) picture offers a simple intuitive way of understanding many of the surprising properties of a strongly interacting twodimensional electron fluid in a large magnetic field. The simple way in which the mean field CF picture describes the low lying bands of angular momentum multiplets for any value of the applied magnetic field is illustrated and compared with the result...
متن کاملComposite fermions in the quantum Hall regime.
Recent progress in the understanding of the two-dimensional electron system under the influence of a strong magnetic field is reviewed. This system is characterized by the existence of a particle called the composite fermion, which manifests itself in several dramatic experimental observations.
متن کاملComposite Fermions Phenomenology in Quantum Hall Effect
An effort is made to understand the phenomenological composite fermion model of the quantum Hall effect. The odd denominators are composed by adding ±1 to the even numbers, 2, 4, 6, and 8. Although the denominators are phenomenologically made to agree with the experimental data, the physics of the CF model ,i.e., the even flux quanta attachment to the electron is found to be incorrect. keshav@m...
متن کاملComposite Fermions in Quantum Hall Sys- Tems
— The occurrence of incompressible quantum fluid states of a two dimensional system is a result of electron–electron interactions in a highly degenerate fractionally filled Landau level. Novel quasiparticles (QP’s) called composite Fermions (CF’s) have allowed a simple single particle description of the most prominent incompressible states. Residual interactions among these QP’s are investigate...
متن کاملGiant anisotropic magnetoresistance in a quantum anomalous Hall insulator
When a three-dimensional ferromagnetic topological insulator thin film is magnetized out-of-plane, conduction ideally occurs through dissipationless, one-dimensional (1D) chiral states that are characterized by a quantized, zero-field Hall conductance. The recent realization of this phenomenon, the quantum anomalous Hall effect, provides a conceptually new platform for studies of 1D transport, ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2014
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.113.016801