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BEGIN:VEVENT
UID:DSC-22371
DTSTART;TZID=Europe/Berlin:20251015T100000
SEQUENCE:1760506507
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20251015T110000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/22371
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Liu: Bulk-boundary correspondence of non-Hermitian systems with tra
 nslational invariance breaking
CLASS:PUBLIC
DESCRIPTION:Speaker: Hongfang Liu\nInstitute of Speaker: School of Physical
  Science and Technology\, Soochow University\, Suzhou\, China\nTopics:\n\n
  Location:\n  Name: IFW (https://zoom.us/j/94913588406?pwd=IVbNWqfZL4BhcyD
 0Sah1nN2rLPbIvJ.1\, ID: 949 1358 8406 / Code: 917191)\n  Street: Helmholtz
 straße 20\n  City: 01069 Dresden\n  Phone: \n  Fax: \nDescription: In thi
 s talk\, I will present our recent work on bulk-boundary correspondence in
  non-Hermitian systems without translational invariance. I will first intr
 oduce the modified generalized Brillouin zone theory that captures the inf
 luence of disorder\, magnetic effects [1]\, and non-orientability [2] on t
 he non-Hermitian skin effect. This framework reveals how the skin effect i
 nteracts with disorder or magnetic effects\, and how a Möbius strip geome
 try alters the skin mode’s behavior.  Having extended the applicability o
 f bulk-boundary correspondence to non-Hermitian systems without translatio
 nal symmetry\, I will then turn to our studies about topological states in
  non-Hermitian systems. By introducing real-space topological invariances\
 , we study the disorder-induced phase transitions in non-Hermitian topolog
 ical systems\, and discover the non-Hermitian topological Anderson insulat
 or [3] and higher-order topological Anderson insulator [4]. Finally\, we p
 ropose an experimental scheme for detecting the Chern number in non-Hermit
 ian Chern insulators based on the distribution of split subbands under a m
 agnetic field [5].  References: [1] H. F. Liu\, M. Lu\, Z.-Q. Zhang\, and 
 H. Jiang\, Phys. Rev. B 107\, 144204 (2023). [2] H. F. Liu\, M. Peng\, Q. 
 Wei\, Z.-Q. Zhang\, Z. Huang\, C. H. Lee\, J. B. Gong\, H. Jiang\, and G. 
 Chen\, Phys. Rev. Lett. under Review. [3] H. F. Liu\, Z. X. Su\, Z. Q. Zha
 ng\, and H. Jiang\, Chin. Phys. B 29\, 050502 (2020) (invited). [4] H. F. 
 Liu\, J. K. Zhou\, B. L. Wu\, Z. Q. Zhang\, and H. Jiang\, Phys. Rev. B 10
 3\, 224203 (2021). [5] H. F. Liu\, M. Lu\, S. Chai\, Z.-Q. Zhang\, and H. 
 Jiang\, Phys. Rev. B 109\, 155404 (2024). .
DTSTAMP:20260808T020007Z
CREATED:20251010T053612Z
LAST-MODIFIED:20251015T053507Z
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