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CATEGORIES:Lecture
DESCRIPTION:A measured approach toward long-range entangled matter\n\n \n\n
Long-range entangled quantum matter encompasses a wealth of fascinating phe
nomena including fractionalization and criticality. I will show how quantu
m dynamics involving measurements can both enable new kinds of long-range e
ntangled states and facilitate their realization on quantum simulators. In
the first part\, I will illustrate how competing measurements along with u
nitary time evolution can give rise to distinct universality classes of non
-equilibrium criticality. In the second part\, I will show how measurement
s and unitary evolution conditioned on the measurement outcomes (“adaptive
quantum circuits”) enable efficient preparation of long-range entangled mat
ter. I will present three classes of protocols inspired by distinct physic
al insights\, including tensor networks\, renormalization\, and partons. A
large class of topological orders\, including chiral states akin to the fra
ctional quantum Hall effect\, can be prepared in a time independent of syst
em size\, and critical states and non-abelian topological orders can be pre
pared in depth scaling logarithmically with system size.
DTEND:20230222T220000Z
DTSTAMP:20240528T045034Z
DTSTART:20230222T210000Z
GEO:42.335064;-71.168846
LOCATION:Higgins Hall\, 310
SEQUENCE:0
SUMMARY:Physics Colloquium: Tim Hsieh\, Perimeter Institute
UID:tag:localist.com\,2008:EventInstance_42208735256781
URL:https://events.bc.edu/event/physics_colloquium_tim_hsieh_perimeter_inst
itute
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