Sub-matrix updates for the Continuous-Time Auxiliary Field algorithm

Details Sub-matrix updates for the Continuous-Time Auxiliary Field algorithm Sub-matrix updates for the Continuous-Time Auxiliary Field algorithm

2010-10-18

arxiv.org/abs/1010.3690v2

Phys. Rev. B 83, 075122 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

Scientific paper

10.1103/PhysRevB.83.075122

We present a sub-matrix update algorithm for the continuous-time auxiliary field method that allows the simulation of large lattice and impurity problems. The algorithm takes optimal advantage of modern CPU architectures by consistently using matrix instead of vector operations, resulting in a speedup of a factor of $\approx 8$ and thereby allowing access to larger systems and lower temperature. We illustrate the power of our algorithm at the example of a cluster dynamical mean field simulation of the N\'{e}el transition in the three-dimensional Hubbard model, where we show momentum dependent self-energies for clusters with up to 100 sites.

Affiliated with

Also associated with

No associations

Rating

Sub-matrix updates for the Continuous-Time Auxiliary Field algorithm does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Sub-matrix updates for the Continuous-Time Auxiliary Field algorithm, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sub-matrix updates for the Continuous-Time Auxiliary Field algorithm will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-306659