Electronic structure of excitonic insulators (IMAGE)

Max Planck Institute for the Structure and Dynamics of Matter

Electronic structure of excitonic insulators

Caption

Characteristic electronic structure observed in candidate excitonic insulators. The shape of the electronic bands originates from the combined action of structural and electronic symmetry breaking. In Ta2NiSe5, the contribution of structural symmetry breaking is dominant and hinders any prospect of dissipationless energy transport.

Credit

Jörg Harms, MPSD

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