Theory of the Half-Polarized Quantum Hall States

We report a theoretical analysis of the half-polarized quantum Hall states observed in a recent experiment. Our numerical results indicate that the ground state energy of the quantum Hall \(\nu= 2/3\) and \(\nu= 2/5\) states versus spin polarization has a downward cusp at half the maximal spin polar...

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Bibliographic Details
Published in:arXiv.org 2000-07
Main Authors: Apalkov, V M, Chakraborty, T, Pietilainen, P, Niemela, K
Format: Article
Language:English
Subjects:
Angular momentum
Conductivity
Electrons
Excitons
Fermions
Ground state
Polarization (spin alignment)
Quantum theory
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Summary:We report a theoretical analysis of the half-polarized quantum Hall states observed in a recent experiment. Our numerical results indicate that the ground state energy of the quantum Hall \(\nu= 2/3\) and \(\nu= 2/5\) states versus spin polarization has a downward cusp at half the maximal spin polarization. We map the two-component fermion system onto a system of excitons and describe the ground state as a liquid state of excitons with non-zero values of exciton angular momentum.
ISSN:2331-8422
DOI:10.48550/arxiv.0007168