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quant-ph2020★ 37 cited
Variational Monte Carlo simulation with tensor networks of a pure gauge theory in (2+1)d
Patrick Emonts, Mari Carmen Bañuls, J. Ignacio Cirac +1
Variational minimization of tensor network states enables the exploration of low energy states of lattice gauge theories. However, the exact numerical evaluation of high-dimensiona…
quant-ph2020★ 90 cited
Geometry of variational methods: dynamics of closed quantum systems
Lucas Hackl, Tommaso Guaita, Tao Shi +3
We present a systematic geometric framework to study closed quantum systems based on suitably chosen variational families. For the purpose of (A) real time evolution, (B) excitatio…