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SUMMARY:Numerical study of the 2+1d Thirring Model with U(2N)-invariant fe
rmions
DTSTART;VALUE=DATE-TIME:20170622T165000Z
DTEND;VALUE=DATE-TIME:20170622T171000Z
DTSTAMP;VALUE=DATE-TIME:20200225T055533Z
UID:indico-contribution-89@cern.ch
DESCRIPTION:Speakers: Prof. HANDS\, Simon (Swansea University)\nIn 2+1 dim
ensions the global U(2$N$) symmetry associated with massless fermions is b
roken to U($N)\\otimes$U($N$) \nby a parity-invariant mass. I will show ho
w to adapt the domain wall formulation to recover the U(2$N$)-invariant li
mit in interacting fermion models as the domain wall operation is increase
d. In particular\, I will focus on the issue of potential dynamical mass g
eneration in the Thirring model\, postulated to take place for $N$ less th
an some critical $N_c$. I will present results of simulations of the model
using both HMC ($N$=2) and RHMC ($N$=1) algorithms\, and show that the ou
tcome is very different from previous numerical studies of the model made
with staggered fermions\, where the corresponding pattern of symmetry brea
king is distinct.\n\nhttps://makondo.ugr.es/event/0/session/99/contributio
n/89
LOCATION: Seminarios 1+2
URL:https://makondo.ugr.es/event/0/session/99/contribution/89
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