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Collective modes of nu=2 quantum Hall bilayers in tilted magnetic fields

Abstract:

We use the time-dependent Hartree Fock approximation to study the collective-mode spectra of ν=2 quantum Hall bilayers in tilted magnetic fields, allowing for charge imbalance as well as tunneling between the two layers. In a previous companion paper to this work, we studied the zero-temperature global phase diagram of this system, which was found to include symmetric and ferromagnetic phases as well as a first-order transition between two canted phases with spontaneously broken U(1) symmetry...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.70.115326

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
PHYSICAL REVIEW B
Volume:
70
Issue:
11
Publication date:
2004-09-05
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:023bc659-1643-4985-bab8-89336ebc2933
Source identifiers:
168170
Local pid:
pubs:168170
Language:
English

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