Journal
PHYSICAL REVIEW B
Volume 102, Issue 22, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.102.224311
Keywords
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Funding
- Alfred P. Sloan Foundation
- Air Force Office of Scientific Research [FA9550-20-1-0222]
- National Science Foundation [1734006]
- Simons Foundation
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We study the entanglement dynamics in a generic quantum automaton circuit subjected to projective measurements. We design an efficient algorithm which not only allows us to perform large-scale simulation for the Renyi entropy, but also provides a physical picture for the entanglement dynamics, which can be interpreted in terms of a classical bit-string model which belongs to the directed percolation universality class. We study the purification dynamics of a state formed by Einstein-Podolsky-Rosen pairs, and the growth of entanglement starting from a product state. In both cases, we verify numerically that the dynamics is in the universality class of classical directed percolation.
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