This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionMERA diagram.svg
English: Diagram of the multiscale entanglement renormalization ansatz (MERA) on sixteen sites: alternating layers of disentanglers (rectangles) and isometries (triangles) implement a real-space renormalization group flow ending in a top tensor.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
Diagram of the multiscale entanglement renormalization ansatz (MERA) on sixteen sites: alternating layers of disentanglers (rectangles) and isometries (triangles) implement a real-space renormalization group flow ending in a top tensor.