Compression of Hamiltonian matrix: Application to spin-1/2 Heisenberg square lattice

Compression of Hamiltonian matrix: Application to spin-1/2 Heisenberg square lattice

We introduce a simple algorithm providing a compressed representation (∈ℝNorbits×Norbits×ℕNorbits) of an irreducible Hamiltonian matrix (number of magnons M constrained, dimension: Nspins!M!(Nspins−M)!>Norbits) of the spin-1/2 Heisenberg antiferromagnet on the L×L non-periodic lattice, not lookin...

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Bibliographic Details
Main Authors: Seongsoo Choi, Woohyun Kim, Jongho Kim
Format: Article
Language:English
Published: AIP Publishing LLC 2016-09-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.4963834

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