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SUMMARY:The QCD deconfinement critical point as a function of N_t with N_f
=2 flavours of unimproved Wilson fermions
DTSTART;VALUE=DATE-TIME:20160725T154500Z
DTEND;VALUE=DATE-TIME:20160725T160500Z
DTSTAMP;VALUE=DATE-TIME:20190521T071940Z
UID:indico-contribution-2611@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Christopher Czaban (Goethe University Frankfurt am M
ain)\nQCD at zero baryon density in the limit of infinite quark mass under
goes a first order deconfinement phase transition at a critical temperatur
e T_c corresponding to the breaking of the global centre symmetry.\nIn the
presence of dynamical quarks the global centre symmetry is explicitly bro
ken. Lowering the quark mass the first order phase transition weakens and
terminates in a second order Z(2) point. Beyond this line confined and dec
onfined regions are analytically connected by a crossover transition. \nAs
the continuum limit is approached (i.e. the lattice spacing is decreased)
the region of first order transitions expands towards lower masses. We st
udy the deconfinement critical point with standard Wilson fermions and N_f
=2 flavours. Therefore we simulate several kappa values on N_t=8 and vario
us aspect ratios in order to extrapolate to the thermodynamic limit\, appl
ying finite size scaling. We estimate if and when a continuuum extrapolati
on is possible.\n\nhttps://conference.ippp.dur.ac.uk/event/470/contributio
ns/2611/
LOCATION:Highfield Campus\, University of Southampton Building 32 Room 101
5
URL:https://conference.ippp.dur.ac.uk/event/470/contributions/2611/
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