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Partially spin polarized quantum Hall effect in the filling factor range 1/3 < nu < 2/5 | | Chia-Chen Chang
; Sudhansu S. Mandal
; Jainendra K. Jain
; | | Date: |
25 Mar 2003 | | Journal: | Phys. Rev. B, Vol. 67, 121305(R) (2003) | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | The residual interaction between composite fermions (CFs) can express itself through higher order fractional Hall effect. With the help of diagonalization in a truncated composite fermion basis of low-energy many-body states, we predict that quantum Hall effect with partial spin polarization is possible at several fractions between $
u=1/3$ and $
u=2/5$. The estimated excitation gaps are approximately two orders of magnitude smaller than the gap at $
u=1/3$, confirming that the inter-CF interaction is extremely weak in higher CF levels. | | Source: | arXiv, cond-mat/0303517 | | Services: | Forum | Review | PDF | Favorites | |
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