## Abstract

We have investigated the effect of an in-plane parallel magnetic field [Formula presented] on two high mobility metalliclike dilute two-dimensional hole gas systems in GaAs quantum wells. The experiments reveal that, while suppressing the magnitude of the low temperature resistance drop, [Formula presented] does not affect [Formula presented], the characteristic energy scale of the metallic resistance drop. The field [Formula presented] at which the metalliclike resistance drop vanishes is dependent on both the width of the quantum well and the orientation of [Formula presented]. It is unexpected that [Formula presented] is unaffected by [Formula presented] up to [Formula presented] despite the fact that the Zeeman energy at [Formula presented] is roughly equal to [Formula presented].

Original language | English (US) |
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Pages (from-to) | 4 |

Number of pages | 1 |

Journal | Physical review letters |

Volume | 88 |

Issue number | 16 |

DOIs | |

State | Published - 2002 |

Externally published | Yes |

## All Science Journal Classification (ASJC) codes

- General Physics and Astronomy