Unexpected changes in the band structure within AFM1 state of CeBi
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arXiv
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| Auteurs principaux: | , , , , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866915008422608896 |
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| author | Kushnirenko, Yevhen Kuthanazhi, Brinda Schrunk, Benjamin O'Leary, Evan Eaton, Andrew Slager, Robert-Jan Ahn, Junyeong Wang, Lin-Lin Canfield, Paul C. Kaminski, Adam |
| author_facet | Kushnirenko, Yevhen Kuthanazhi, Brinda Schrunk, Benjamin O'Leary, Evan Eaton, Andrew Slager, Robert-Jan Ahn, Junyeong Wang, Lin-Lin Canfield, Paul C. Kaminski, Adam |
| contents | We perform angle-resolved photoemission spectroscopy (ARPES) measurements in conjunction with density functional theory (DFT) calculations to investigate the evolution of the electronic structure of CeBi upon a series of antiferromagnetic (AFM) transitions. We find evidence for a new AFM transition in addition to two previously known from transport studies. We demonstrate the development of an additional Dirac state in the (+-+-) ordered phase and a transformation of unconventional surface-state pairs in the (++--) ordered phase. This revises the phase diagram of this intriguing material, where there are now three distinct AFM states below TN in zero magnetic field instead of two as it was previously thought. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_08125 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Unexpected changes in the band structure within AFM1 state of CeBi Kushnirenko, Yevhen Kuthanazhi, Brinda Schrunk, Benjamin O'Leary, Evan Eaton, Andrew Slager, Robert-Jan Ahn, Junyeong Wang, Lin-Lin Canfield, Paul C. Kaminski, Adam Strongly Correlated Electrons Other Condensed Matter We perform angle-resolved photoemission spectroscopy (ARPES) measurements in conjunction with density functional theory (DFT) calculations to investigate the evolution of the electronic structure of CeBi upon a series of antiferromagnetic (AFM) transitions. We find evidence for a new AFM transition in addition to two previously known from transport studies. We demonstrate the development of an additional Dirac state in the (+-+-) ordered phase and a transformation of unconventional surface-state pairs in the (++--) ordered phase. This revises the phase diagram of this intriguing material, where there are now three distinct AFM states below TN in zero magnetic field instead of two as it was previously thought. |
| title | Unexpected changes in the band structure within AFM1 state of CeBi |
| topic | Strongly Correlated Electrons Other Condensed Matter |
| url | https://arxiv.org/abs/2409.08125 |