Exchange coupling–mediated broken symmetries in Ta(2)NiSe(5) revealed from quadrupolar circular photogalvanic effect

In low–electron density materials, interactions can lead to highly correlated quantum states of matter. Ta(2)NiSe(5), an excitonic insulator (EI) candidate, exists in a novel broken-symmetry phase below 327 K, characterized by robust exchange interaction and electron-lattice coupling. We study this...

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Detalles Bibliográficos
Autores principales: Jog, Harshvardhan, Harnagea, Luminita, Mele, Eugene J., Agarwal, Ritesh
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2022
Materias:
Physical and Materials Sciences
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8849275/
https://www.ncbi.nlm.nih.gov/pubmed/35171672
http://dx.doi.org/10.1126/sciadv.abl9020

Internet

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8849275/
https://www.ncbi.nlm.nih.gov/pubmed/35171672
http://dx.doi.org/10.1126/sciadv.abl9020

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