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다체계이론연구실에서 카이스트의 문은국 교수님을 초청하여 아래와 같이 세미나를 개최합니다.

학과 구성원 여러분의 많은 참석을 부탁 드립니다.

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Date/time: 2019. 12. 06 (Fri.) 14:00

 

Place: Seminar Room #31317 (3rd floor of Basic Science Bd.)

 

Speaker: 문  은  국  교수님 (KAIST)

 

Title: topological phase transitions in Kitaev quantum spin liquids.

 

Abstract: Strongly correlated systems may host unconventional phases, characterized by emergence of non-locality. Kitaev quantum spin liquid (KQSL) is one of the most well known examples, and the emergent non-locality is encoded in fractionalized excitations of Majorana fermions. Evidence of KQSLs has been reported in various experiments including specific heat, NMR, and thermal Hall experiments. In this talk, we discuss properties of topological phase transitions in KQSLs and propose a way to identify a non-abelian KQSL by using magnetic-field responses.


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