Dear all,
see below for a talk tomorrow at Harvard by Albert Werner, postdoc from Copenhagen, on our
joint tensor network work.
best wishes, Matthias.
---------- Forwarded message ---------
From: Leo Zhou <leozhou@g.harvard.edu<mailto:leozhou@g.harvard.edu>>
Date: Tue, Dec 4, 2018, 15:49
Subject: Special Guest Theorist Meeting this Thursday (Dec 6) 5:30pm
To: Khabiboulline, Emil
<ekhabiboulline@g.harvard.edu<mailto:ekhabiboulline@g.harvard.edu>>,
<nleitao@g.harvard.edu<mailto:nleitao@g.harvard.edu>>, Wang, Shengtao
<shengtaowst@fas.harvard.edu<mailto:shengtaowst@fas.harvard.edu>>, Dominik
Wild <wild@g.harvard.edu<mailto:wild@g.harvard.edu>>, Cong, Iris
<cong@g.harvard.edu<mailto:cong@g.harvard.edu>>, Wen Wei Ho
<wenweiho.phy@gmail.com<mailto:wenweiho.phy@gmail.com>>, Schuetz, Martin
<mschuetz@fas.harvard.edu<mailto:mschuetz@fas.harvard.edu>>, Janos Perczel
<jperczel@mit.edu<mailto:jperczel@mit.edu>>, Hannes Pichler
<hannes.pichler@cfa.harvard.edu<mailto:hannes.pichler@cfa.harvard.edu>>,
Bekenstein, Rivka
<rivka.bekenstein@cfa.harvard.edu<mailto:rivka.bekenstein@cfa.harvard.edu>>,
Bihui Zhu <bihui.zhu2012@gmail.com<mailto:bihui.zhu2012@gmail.com>>, Viyuela
Garcia, Oscar <oviyuela@fas.harvard.edu<mailto:oviyuela@fas.harvard.edu>>, Xun
Gao <xungao@g.harvard.edu<mailto:xungao@g.harvard.edu>>,
<yungerhalpern@fas.harvard.edu<mailto:yungerhalpern@fas.harvard.edu>>,
Florentin Reiter
<florentin_reiter@g.harvard.edu<mailto:florentin_reiter@g.harvard.edu>>
Hi all,
Albert Werner from University of Copenhagen is visiting us this week, and he has agreed to
give an informal talk about tensor networks! Please forward this along to anyone else who
may be interested in the topic.
Speaker: Albert Werner
Title: Tensor network representations from the geometry of entangled states
Time and Location: 5:30pm, Thu Dec 6, Jefferson 356
Abstract:
Tensor network states provide successful descriptions of strongly correlated quantum
systems with applications ranging from condensed matter physics to cosmology. Any family
of tensor network states possesses an underlying entanglement structure given by a graph
of maximally entangled states along the edges that identify the indices of the tensors to
be contracted. Recently, more general tensor networks have been considered, where the
maximally entangled states on edges are replaced by multipartite entangled states on
plaquettes. Both the structure of the underlying graph and the dimensionality of the
entangled states influence the computational cost of contracting these networks. Using the
geometrical properties of entangled states, we provide a method to construct tensor
network representations with smaller effective bond dimension. We illustrate our method
with the resonating valence bond state on the kagome lattice.
Hope to see you there!
Leo
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