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SUMMARY:QSE Quantum/Condensed Matter Seminar: Complexity beyond entangleme
nt - magic of strongly interacting quantum matter
DTSTART:20240920T120000
DTEND:20240920T133000
DTSTAMP:20241114T030333Z
UID:738ea4a5f7ab5a2c5b16bc90f3072cd72b999e02b0b941332e0420c6
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Marcello Dalmonte\nPlease join us for the QSE Center Qua
ntum Seminar/Condensed Matter Seminar with Marcello Dalmonte from Abdu
s Salam International Centre for Theoretical Physics (ICTP)\, who will giv
e the talk "Complexity beyond entanglement - magic of strongly interactin
g quantum matter" on Friday September 20.\nLocation: MA A1 10\n\nPizzas w
ill be available before the seminar at 12:00. All PhDs\, postdocs\, stude
nts\, and PIs are welcome to join us.\n\nTITLE: Complexity beyond entangl
ement - magic of strongly interacting quantum matter\n\nABSTRACT: Quantum
resources have entered the many body stage over the last two decades. It i
s by now widely appreciated that entanglement plays a key role in characte
rizing physical phenomena\, as diverse as topological order and critical b
ehaviour. However\, entanglement alone is not informative about state comp
lexity\, and in fact\, it is only one side of the medal. In this talk\, I
will flip the coin and tackle quantum state complexity of many-body system
s under the lense of non-stabilizerness - also known as magic. Magic quant
ifies the difficulty of realizing states in most error corrected codes\, a
nd is thus of fundamental practical importance. However\, very little is k
nown about its significance to many-body phenomena.\n\nI will present meth
od(s) to measure magic in tensor network simulations\, and illustrate a se
ries of applications to many body systems\, including: (a) how state magic
and long-range magic behave in conformal field theories - illustrating th
e limit of the former\, and the capabilities of the latter\; (b) how magic
characterizes phases of lattice gauge theories\, both in the context of s
pin liquids/error correction (toric code)\, and in the context of theories
describing coupling between matter and light (Schwinger model)\; and (c)
how our computational tools are presently more advanced than the largest s
cale experimental demonstration of magic in Rydberg atom quantum simulator
s. \n\nBIO: Marcello Dalmonte is staff scientist at the Abdus Salam Inte
rnational Centre for Theoretical Physics (ICTP) in Trieste\, Italy. Previo
usly\, he graduated at the University of Bologna under the supervision of
Elisa Ercolessi\, and was a post-doctoral fellow in Innsbruck in the group
of Peter Zoller.\n\nHis main scientific interests span topics from conden
sed matter and high energy physics to quantum optics and quantum informati
on\, and include: (1) understanding the role of quantum resources - e.g.\
, entanglement and magic - in strongly correlated systems\; (2) develop me
thods and protocols for attacking particle physics problems\, in particula
r gauge theories\, utilizing quantum computers and quantum simulators\; (3
) unravel classical and quantum many-body phenomena from a network- and da
ta-science viewpoint\; and (4) explore new horizon of synthetic quantum ma
tter in relation to topological matter and gauge theories. \nHe is Editor
at SciPost\, and has been supported by several European programmes\, incl
uding the quantum Flagship and ERC Starting and Consolidator frameworks.
LOCATION:MA A1 10 https://plan.epfl.ch/?room==MA%20A1%2010
STATUS:CONFIRMED
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