Volume 83, Number 6, September 2008
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||15 September 2008|
New field-induced spin density wave phenomena from the Pauli terms in excitonic insulators
Department of Physics, National Technical University of Athens - GR-15780 Athens, Greece, EU
2 Cavendish Laboratory, University of Cambridge - Cambridge CB3 03E, UK, EU
Corresponding author: email@example.com
Accepted: 20 July 2008
Usually, one expects the Zeeman magnetic field to compete with a charge density wave (CDW) or a spin density wave (SDW). We report for the first time here that under quite generic conditions, the Zeeman magnetic field may induce transitions from CDW to CDW+SDW therefore generating SDW states that could not exist at zero field. Our field-induced CDW to SDW+CDW transition may provide among others, a direct explanation to puzzling for two decades findings in 2H-TaS2.
PACS: 75.30.Fv – Spin-density waves / 75.30.Kz – Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.)
© EPLA, 2008
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