Partially spin-polarized quantum Hall effect in the filling factor range 1/3<v<2/5

Chia Chen Chang; Sudhansu S. Mandal; Jainendra K. Jain

Partially spin-polarized quantum Hall effect in the filling factor range 1/3<v<2/5

Chia Chen Chang, Sudhansu S. Mandal, Jainendra K. Jain

Research output: Contribution to journal › Article › peer-review

Abstract

The residual interaction between composite fermions (CF's) 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 v= 1/3 and v= 2/5. The estimated excitation gaps are approximately two orders of magnitude smaller than the gap at v= 1/3, confirming that the inter-CF interaction is extremely weak in higher CF levels.

Original language	English (US)
Article number	121305
Pages (from-to)	1213051-1213054
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	12
State	Published - Mar 2003

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

Cite this

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title = "Partially spin-polarized quantum Hall effect in the filling factor range 1/3<v<2/5",

abstract = "The residual interaction between composite fermions (CF's) 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 v= 1/3 and v= 2/5. The estimated excitation gaps are approximately two orders of magnitude smaller than the gap at v= 1/3, confirming that the inter-CF interaction is extremely weak in higher CF levels.",

author = "Chang, {Chia Chen} and Mandal, {Sudhansu S.} and Jain, {Jainendra K.}",

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AU - Chang, Chia Chen

AU - Mandal, Sudhansu S.

AU - Jain, Jainendra K.

PY - 2003/3

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N2 - The residual interaction between composite fermions (CF's) 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 v= 1/3 and v= 2/5. The estimated excitation gaps are approximately two orders of magnitude smaller than the gap at v= 1/3, confirming that the inter-CF interaction is extremely weak in higher CF levels.

AB - The residual interaction between composite fermions (CF's) 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 v= 1/3 and v= 2/5. The estimated excitation gaps are approximately two orders of magnitude smaller than the gap at v= 1/3, confirming that the inter-CF interaction is extremely weak in higher CF levels.

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IS - 12

M1 - 121305

ER -

Partially spin-polarized quantum Hall effect in the filling factor range 1/3<v<2/5

Abstract

All Science Journal Classification (ASJC) codes

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