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SUMMARY:Two-colour QCD at finite density with two flavours of staggered qu
arks
DTSTART;VALUE=DATE-TIME:20160728T163000Z
DTEND;VALUE=DATE-TIME:20160728T165000Z
DTSTAMP;VALUE=DATE-TIME:20200703T142124Z
UID:indico-contribution-2419@conference.ippp.dur.ac.uk
DESCRIPTION:Speakers: Lukas Holicki (Justus-Liebig-University Giessen)\nLa
ttice simulations of two-colour QCD can be performed at finite density wit
hout sign problem and by now have a long history already. The physics of t
he bosonic diquark baryons is believed to be fairly well understood and qu
alitatively resembles QCD at finite isospin density with pion condensation
. There is good guidance from effective field theory predictions and model
studies of the BEC-BCS crossover inside the condensed phase. We have revi
sited the question how well this can all be described with rooted staggere
d quarks. A potential problem thereby is the proximity of the bulk phase.
We therefore use an improved gauge action and lattice couplings that somew
hat larger than those of the early studies with N f =8 and 4 flavours.\nTh
is implies that we have to worry about additive renormalization in the chi
ral condensate before we can compare our results with the effective field
theory predictions. We also confirm that the Polyakov-loop does not appear
to respond to the finite density in the staggered formulation\, and we pe
rform some basic meson and diquark spectroscopy at finite density.\n\nhttp
s://conference.ippp.dur.ac.uk/event/470/contributions/2419/
LOCATION:Highfield Campus\, University of Southampton Building 32 Room 101
5
URL:https://conference.ippp.dur.ac.uk/event/470/contributions/2419/
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