PIRSA:19040117

## Video URL

http://pirsa.org/19040117# Tensor renormalization group in bosonic field theory

### APA

(2019). Tensor renormalization group in bosonic field theory. Perimeter Institute for Theoretical Physics. http://pirsa.org/19040117

### MLA

Tensor renormalization group in bosonic field theory. Perimeter Institute for Theoretical Physics, Apr. 08, 2019, http://pirsa.org/19040117

### BibTex

@misc{ scitalks_PIRSA:19040117, doi = {}, url = {http://pirsa.org/19040117}, author = {}, keywords = {Other Physics}, language = {en}, title = {Tensor renormalization group in bosonic field theory}, publisher = {Perimeter Institute for Theoretical Physics}, year = {2019}, month = {apr}, note = {PIRSA:19040117 see, \url{https://scivideos.org/PIRSA/19040117}} }

## Abstract

We compute the partition function of a massive free boson in a square lattice using a tensor network algorithm. We introduce a singular value decomposition (SVD) of continuous matrices that leads to very accurate numerical results. It is shown the emergence of a CDL fixed point structure. In the massless limit, we reproduce the results of conformal field theory including a precise value of the central charge.