GrassmannTN: A Python package for Grassmann tensor network computations
Atis Yosprakob
Abstract
We present GrassmannTN, a Python package for the computation of the Grassmann tensor network. The package is built to assist in the numerical computation without the need to input the fermionic sign factor manually. It prioritizes coding readability by designing every tensor manipulating function around the tensor subscripts. The computation of the Grassmann tensor renormalization group and Grassmann isometries using GrassmannTN are given as the use case examples.
Topics & Concepts
Python (programming language)ComputationReadabilityTensor (intrinsic definition)Computer scienceAlgebra over a fieldMathematicsPure mathematicsProgramming languageTensor decomposition and applicationsBlack Holes and Theoretical PhysicsQuantum, superfluid, helium dynamics