%0 Journal Article
%T Quantum quenches and competing orders: I. Time-dependent Hartree-Fock+BCS theory
%A Wenbo Fu
%A Ling-Yan Hung
%A Subir Sachdev
%J Physics
%D 2014
%I arXiv
%R 10.1103/PhysRevB.90.024506
%X We study the non-equlibrium dynamics of an electronic model of competing bond density wave order and $d$-wave superconductivity. In a time-dependent Hartree-Fock+BCS approximation, the dynamics reduces to the equations of motion of operators realizing the generators of SU(4) at each pair of momenta, $(\boldsymbol{k}, -\boldsymbol{k})$, in the Brillouin zone. We compare the results of numerical studies of our model with recent picosecond optical experiments.
%U http://arxiv.org/abs/1401.7674v3