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Tensor renormalization group in bosonic field theory

AuthorsCampos, Manuel; Sierra, Germán.; López, Esperanza CSIC ORCID
Issue Date2019
PublisherAmerican Physical Society
CitationPhysical Review B 100 (2019)
AbstractWe compute the partition function of a massive free boson in a square lattice using a tensor network algorithm. We introduce a singular value decomposition of continuous matrices that leads to very accurate numerical results. It shows the emergence of a corner double line fixed-point structure. In the massless limit, we reproduce the results of conformal field theory including a precise value of the central charge.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevB.100.195106
Identifiersdoi: 10.1103/PhysRevB.100.195106
issn: 2469-9969
Appears in Collections:(IFT) Artículos
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