Preformed Excitonic Liquid Route to a Charge Density Wave in 2H-TaSe(2)

Taraphder, A.; Koley, S.; Vidhyadhiraja, N. S.; Laad, M. S.

Item

ITEM ACTIONSEXPORT

Add to Basket

Local TagsRelease HistoryDetailsSummary

Released

Journal Article

Preformed Excitonic Liquid Route to a Charge Density Wave in 2H-TaSe(2)

MPS-Authors

/persons/resource/persons184997

Taraphder, A.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

/persons/resource/persons184689

Laad, M. S.
Max Planck Institute for the Physics of Complex Systems, Max Planck Society;

External Resource

No external resources are shared

Fulltext (restricted access)

There are currently no full texts shared for your IP range.

Fulltext (public)

There are no public fulltexts stored in PuRe

Supplementary Material (public)

There is no public supplementary material available

Citation

Taraphder, A., Koley, S., Vidhyadhiraja, N. S., & Laad, M. S. (2011). Preformed Excitonic Liquid Route to a Charge Density Wave in 2H-TaSe(2). Physical Review Letters, 106(23): 236405.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0029-8C99-0

Abstract

Recent experiments on 2H-TaSe(2) contradict the long-held view of the charge density wave arising from a nested band structure. An intrinsically strong coupling view, involving a charge density wave state arising as a Bose condensation of preformed excitons emerges as an attractive, albeit scantily investigated alternative. Using the local density approximation plus multiorbital dynamic mean field theory, we show that this scenario agrees with a variety of normal state data for 2H-TaSe(2). Based thereupon, the ordered states in a subset of dichalcogenides should be viewed as instabilities of a correlated, preformed excitonic liquid.