Spin instability and phase diagram of v = 2 quantum Hall systems

We present the magnetic phase diagram on the (ra, Ez) plane in the self-consistent Hartree-Fock theory for the ν 2 quantum Hall system. We show that there is an area on the (rs,Ez) plane where a spiral spin density wave state is the ground state of the system.

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Bibliographic Details
Published in:Journal of physics. Conference series 2009-03, Vol.150 (4), p.042242
Main Authors: Yoshizawa, Kanako, Takayanagi, Kazuo
Format: Article
Language:English
Subjects:
Phase diagrams
Physics
Quantum Hall effect
Spin density waves
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Description
Summary:We present the magnetic phase diagram on the (ra, Ez) plane in the self-consistent Hartree-Fock theory for the ν 2 quantum Hall system. We show that there is an area on the (rs,Ez) plane where a spiral spin density wave state is the ground state of the system.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/150/4/042242