Time Evolution of Uniform Sequential Circuits
Authors/Creators
- 1. University of Zurich
- 2. TU Munich
- 3. University of Nottingham
Description
This upload contains necessary scripts and notebooks to reproduce the results of the manuscript "Time Evolution of Uniform Sequential Circuits".
The logs.tar.gz and logs_envfit.tar.gz archives contain trained l-USC ansätze or environment fits with the layered structure.
The attached python scripts allow one to run all the training protocols used in the paper:
1. get_exact.py -- obtain quasi-exact solution using iTEBD time-evolution of iMPS;
2. simulate_exactenv.py -- time-evolve the l-USC wave function with exact environments;
3. env_fitting_test.py -- approximation of exact environment with the layered decomposition;
4. compute_ent_entropy.py and compute_ent_entropy_exact.py -- post-computes entanglement entropy of either iMPS or l-USC ansatz;
The quasi-exact rho_1024_exact_g_1.000.npy / Sz_1024_exact_g_1.000.npy files are necessary for the plotting procedure, but they are also generated by the get_exact.py script. The Bs_1024_exact_g_1.000.npy file is the quasi-exact iMPS used in this work. It has to be provided to the compute_ent_entropy_exact.py and simulate_exactenv.py scripts.
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