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SUMMARY:From Euclidean spectral densities to real-time physics
DTSTART;VALUE=DATE-TIME:20190311T080000Z
DTEND;VALUE=DATE-TIME:20190315T163000Z
DTSTAMP;VALUE=DATE-TIME:20200812T131552Z
UID:indico-event-783115@indico.cern.ch
DESCRIPTION:The experimental programs at the LHC\, in particular ALICE and
LHCb\, probe a regime of high energy physics that is dominated by QCD eff
ects. Flavor anomalies\, exotic hadrons\, as well as the transport propert
ies and electromagnetic emission of the Quark-Gluon Plasma\, are all obser
vations that cannot be understood without a non-perturbative handle. At th
e same time\, these are problems where the dependence on real time is of f
undamental importance. However\, methods to theoretically access them are
often limited to the study of observables with Euclidean signature\, e.g.
provided by lattice QFT\, through their spectral density of states.\n\nIn
this workshop we will discuss methods to study the spectral density of sta
tes in zero- and finite-temperature QCD and how both fields can benefit
from each other. Bringing together experts from all involved areas to dis
cuss and openly address the technical and conceptual aspects of the curren
tly available approaches we hope to garner fruitful exchange and to build
bridges between these communities for the exploration of new directions in
extracting the real-time information hidden in Euclidean-time observables
provided in particular from lattice QCD.\n\nTopics :\n\n\n \n Foundations
of analytic continuation from imaginary to real-time\n \n \n Numerical me
thods for lattice spectral function reconstruction\n \n \n Finite volume m
ethods for spectral properties\n \n \n Scattering from lattice QCD in the
vacuum\n \n \n Perturbative spectral functions and lattice QCD\n \n \n Spe
ctral functions through imaginary-momentum calculations\n \n \n Effective
formulations of observables with improved continuation properties\n \n \n
Methods for vacuum subtraction or evaluation of in-medium spectral functio
ns\n \n\n\n\nOrganisers : Anthony Francis (CERN)\, Jacopo Ghiglieri (CERN)
\n\nhttps://indico.cern.ch/event/783115/
LOCATION:CERN 4/3-006 - TH Conference Room
URL:https://indico.cern.ch/event/783115/
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