High Energy Physics Journal Club
Unbreaking chiral symmetry
by Rajiv Gavai
Friday, August 5, 2011
from
to
(Asia/Kolkata)
at Colaba Campus ( A-304 )
at Colaba Campus ( A-304 )
Description |
Authors: C.B. Lang, Mario Schröck Abstract: In Quantum Chromodynamics (QCD) the eigenmodes of the Dirac operator with small absolute eigenvalues have a close relationship to the dynamical breaking of the chiral symmetry. In a simulation with two dynamical quarks, we study the behavior of meson propagators when removing increasingly more of those modes in the valence sector, thus partially removing effects of chiral symmetry breaking. We find that some of the symmetry aspects are restored (e.g., the masses of $\rho$ and $a_1$ approach each other) while confining properties persist. |
Participants | Raju Bathija; Rajeev Bhalerao; Biplob Bhattacharjee; Saumen Datta; Amol Dighe; Rajiv V. Gavai; Diptimoy Ghosh; Monoranjan Guchait; Sourendu Gupta; Vinod Joshi; Sridhar K.; Nikhil Karthik; Padmanath M.; Nilmani Mathur; Shiraz Minwalla; Subroto Pal; Sreerup Raychaudhuri; Sayantan Sarma; Anurag Tripathi |
Material: |