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On Hastings factorization for quantum many-body systems in the infinite volume setting

Mathematical Physics 2025-09-05 v1 math.MP Operator Algebras

Abstract

We will give self-contained and detailed proofs of the (multidimensional) Hastings factorization as well as a (1-dimensional) area law in a wider setup than previous works. Especially, they are applicable to both quantum spin and fermion chains of infinite volume as special cases.

Keywords

Cite

@article{arxiv.2407.12324,
  title  = {On Hastings factorization for quantum many-body systems in the infinite volume setting},
  author = {Ayumi Ukai},
  journal= {arXiv preprint arXiv:2407.12324},
  year   = {2025}
}

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34 pages