12 code implementations • 5 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
2 code implementations • 22 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
3 code implementations • 27 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
2 code implementations • 17 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