Abstract
A lattice generalization of the (b 1u ⊗b 2g )⊗b 3u pseudo-Jahn-Teller model is analyzed within mean-field theory. Ferroelectric or antiferroelectric ground states are found for sufficiently large pseudo-Jahn-Teller coupling.
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References
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Clougherty D. P. and Anderson F. G., Phys. Rev. Lett. 80, 3735 (1998).
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© 2001 Springer Science+Business Media Dordrecht
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Clougherty, D.P. (2001). Ferroelectric Phase Transitions in a Lattice Pseudo-Jahn-Teller Model. In: Kaplan, M.D., Zimmerman, G.O. (eds) Vibronic Interactions: Jahn-Teller Effect in Crystals and Molecules. NATO Science Series, vol 39. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0985-0_39
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DOI: https://doi.org/10.1007/978-94-010-0985-0_39
Publisher Name: Springer, Dordrecht
Print ISBN: 978-1-4020-0045-4
Online ISBN: 978-94-010-0985-0
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