Fermion–boson many-body interplay in a frustrated kagome paramagnet

Fermion–boson many-body interplay in a frustrated kagome paramagnet

Frustrated kagome magnets host both fermionic and bosonic excitations, but evidence of their interplay has been elusive. Here, the authors report a pronounced renormalization of electron bands near the Fermi surface due to the coupling with a flat phonon band in a kagome paramagnet, CoSn.

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Detalles Bibliográficos
Autores principales: J.-X. Yin, Nana Shumiya, Sougata Mardanya, Qi Wang, Songtian S. Zhang, Hung-Ju Tien, Daniel Multer, Yuxiao Jiang, Guangming Cheng, Nan Yao, Shangfei Wu, Desheng Wu, Liangzi Deng, Zhipeng Ye, Rui He, Guoqing Chang, Zhonghao Liu, Kun Jiang, Ziqiang Wang, Titus Neupert, Amit Agarwal, Tay-Rong Chang, Ching-Wu Chu, Hechang Lei, M. Zahid Hasan
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2020
Materias:
Science
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Acceso en línea:https://doaj.org/article/eba63d8243414d67b7f8664030baed06
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Descripción
Sumario:Frustrated kagome magnets host both fermionic and bosonic excitations, but evidence of their interplay has been elusive. Here, the authors report a pronounced renormalization of electron bands near the Fermi surface due to the coupling with a flat phonon band in a kagome paramagnet, CoSn.

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