Search Results for author: Robert N. C. Pfeifer

Found 4 papers, 4 papers with code

NCON: A tensor network contractor for MATLAB

12 code implementations5 Feb 2014 Robert N. C. Pfeifer, Glen Evenbly, Sukhwinder Singh, Guifre Vidal

This article presents a MATLAB function ncon(), or "Network CONtractor", which accepts as its input a tensor network and a contraction sequence describing how this network may be reduced to a single tensor or number.

Computational Physics Strongly Correlated Electrons Quantum Physics

Faster identification of optimal contraction sequences for tensor networks

2 code implementations22 Apr 2013 Robert N. C. Pfeifer, Jutho Haegeman, Frank Verstraete

The efficient evaluation of tensor expressions involving sums over multiple indices is of significant importance to many fields of research, including quantum many-body physics, loop quantum gravity, and quantum chemistry.

Strongly Correlated Electrons Computational Physics Quantum Physics

Tensor network states and algorithms in the presence of a global U(1) symmetry

3 code implementations27 Aug 2010 Sukhwinder Singh, Robert N. C. Pfeifer, Guifre Vidal

Tensor network decompositions offer an efficient description of certain many-body states of a lattice system and are the basis of a wealth of numerical simulation algorithms.

Strongly Correlated Electrons

Tensor network decompositions in the presence of a global symmetry

2 code implementations17 Jul 2009 Sukhwinder Singh, Robert N. C. Pfeifer, Guifre Vidal

Tensor network decompositions offer an efficient description of certain many-body states of a lattice system and are the basis of a wealth of numerical simulation algorithms.

Strongly Correlated Electrons

Cannot find the paper you are looking for? You can Submit a new open access paper.