290S/290K Quantum Materials Seminar Speaker Zhehao Dai (UC Berkeley) , Wednesday, August 31 at 2 pm in Physics South 402

Time/Venue Wednesday, August 31 at 2:00 pm Pacific Time in Physics South 402 and via Zoom:

Meeting ID: 995 2349 9113 Passcode: 600704
Host Joel Moore
Title 2D fermionic isometric tensor networks, ground states and dynamics
Abstract It is hard to simulate a generic quantum manybody system on a classical computer. However, it is not necessarily the case for ground states and low-energy excited states of local Hamiltonians, things we care about most in condensed matter physics. These states have particularly low entanglement entropy, ideal for a tensor network representation. I will give an informal talk on recent progress on 2D isometric tensor networks, in particular, an efficient algorithm for finding ground states and simulating the low-energy dynamics of correlated electrons.

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