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Disorder and non-He...
Disorder and non-Hermiticity in Kitaev spin liquids with a Majorana Fermi surface
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- Rødland, Lukas, 1993- (författare)
- Stockholms universitet,Fysikum
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Ortega-Taberner, Carlos (författare)
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- Agarwal, Megha, 1991- (författare)
- Stockholms universitet,Fysikum
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- Hermanns, Maria, 1980- (författare)
- Stockholms universitet,Fysikum
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: Physical Review B. - 2469-9950 .- 2469-9969. ; 109:15
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We study the effect of disorder on ?2 quantum spin liquids with a Majorana Fermi line (respectively a surface in three dimensions), and we show that depending on the symmetries that are preserved on average, qualitatively different scenarios will occur. In particular, we identify the relevant non-Hermitian symmetries for which disorder will effectively split the Fermi line into two exceptional lines, with Re(?)=0 states filling the area in between. We demonstrate the different scenarios using both toy models as well as large-scale numerical simulations.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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