Spin polarization of fractional quantum hall edge channels studied by dynamic nuclear polarization

T. Machida; S. Ishizuka; T. Yamazaki; S. Komiyama; K. Muraki; Y. Hirayama

doi:10.1103/PhysRevB.65.233304

Spin polarization of fractional quantum hall edge channels studied by dynamic nuclear polarization

T. Machida, S. Ishizuka, T. Yamazaki, S. Komiyama, K. Muraki, Y. Hirayama

Center for Science and Innovation in Spintronics (CSIS)

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

47 Citations (Scopus)

Abstract

We find that the scattering between unequally populated fractional quantum Hall (FQH) edge channels (EC's) polarizes nuclear spins through the hyperfine interaction. This dynamic nuclear polarization (DNP) is evidenced by the nuclear magnetic resonance detected via the transport through FQH EC's. Spin polarizations of different FQH EC's are inferred from the polarity of DNP.

Original language	English
Article number	233304
Pages (from-to)	2333041-2333044
Number of pages	4
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	65
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevB.65.233304
Publication status	Published - 2002 Jun 15

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10.1103/PhysRevB.65.233304

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abstract = "We find that the scattering between unequally populated fractional quantum Hall (FQH) edge channels (EC's) polarizes nuclear spins through the hyperfine interaction. This dynamic nuclear polarization (DNP) is evidenced by the nuclear magnetic resonance detected via the transport through FQH EC's. Spin polarizations of different FQH EC's are inferred from the polarity of DNP.",

author = "T. Machida and S. Ishizuka and T. Yamazaki and S. Komiyama and K. Muraki and Y. Hirayama",

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AU - Machida, T.

AU - Ishizuka, S.

AU - Yamazaki, T.

AU - Komiyama, S.

AU - Muraki, K.

AU - Hirayama, Y.

PY - 2002/6/15

Y1 - 2002/6/15

N2 - We find that the scattering between unequally populated fractional quantum Hall (FQH) edge channels (EC's) polarizes nuclear spins through the hyperfine interaction. This dynamic nuclear polarization (DNP) is evidenced by the nuclear magnetic resonance detected via the transport through FQH EC's. Spin polarizations of different FQH EC's are inferred from the polarity of DNP.

AB - We find that the scattering between unequally populated fractional quantum Hall (FQH) edge channels (EC's) polarizes nuclear spins through the hyperfine interaction. This dynamic nuclear polarization (DNP) is evidenced by the nuclear magnetic resonance detected via the transport through FQH EC's. Spin polarizations of different FQH EC's are inferred from the polarity of DNP.

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Spin polarization of fractional quantum hall edge channels studied by dynamic nuclear polarization

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