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UID:DSC-12947
DTSTART;TZID=Europe/Berlin:20180226T163000
SEQUENCE:1519631714
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20180226T173000
URL:https://www.dresden-science-calendar.de/calendar/en/detail/12947
LOCATION:MPI-PKS\, Nöthnitzer Straße 3801187 Dresden
SUMMARY:Spielman: Colloquium: Chern numbers counted in a synthetic-dimensio
 n quantum Hall strip
CLASS:PUBLIC
DESCRIPTION:Speaker: Prof. Ian Spielman\nInstitute of Speaker: University o
 f Maryland\, USA\nTopics:\nPhysik\n Location:\n  Name: MPI-PKS (Seminarroo
 m 1+2+3)\n  Street: Nöthnitzer Straße 38\n  City: 01187 Dresden\n  Phone
 : + 49 (0)351 871 0\n  Fax: \nDescription: Ultra cold atoms are remarkable
  systems with a truly unprecedented level of experimental control and one 
 application of this control is creating topological band structures.  The 
 most natural approach centers on creating suitable real-space lattice pote
 ntials that the atoms experience.  Here we present our experimental work w
 hich uses the internal atomic states as an additional ``synthetic'' dimens
 ion.  We engineered a two-dimensional magnetic lattice in an elongated str
 ip geometry\, with effective per-plaquette flux about 4/3 times the flux q
 uanta.  The long direction of this strip is formed from a 1D optical latti
 ce while the short direction is built from the 5 mF states comprising the 
 f=2 ground state hyperfine manifold of Rb-87.  We imaged the localized edg
 e and bulk states of atomic Bose-Einstein condensates in this strip\, with
  single lattice-site resolution along the narrow direction.  In this 5-sit
 e wide strip we are able to delineate between bulk behavior quantified by 
 Chern numbers and edge behavior which is not.
DTSTAMP:20260519T003408Z
CREATED:20170515T085242Z
LAST-MODIFIED:20180226T075514Z
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