<div class="csl-bib-body">
<div class="csl-entry">Kauch, A. K., Roosz, G., Bippus, F., Wieser, D., & Held, K. (2024, February 15). <i>Two-site reduced density matrix from one- and two-particle Green’s functions</i> [Presentation]. 1st Retreat SFB Correlated Quantum Materials & Solid State Quantum Systems, JUFA Hotel Schloss Röthelstein, Admont, Austria. http://hdl.handle.net/20.500.12708/208960</div>
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dc.identifier.uri
http://hdl.handle.net/20.500.12708/208960
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dc.description.abstract
Strongly correlated electron systems are challenging to calculate, and entanglement in such systems is not widely analyzed. We present an approach that can be used as a post-processing step for calculating the two-site reduced density matrix and from it entanglement measures such as the mutual information and entanglement negativity. Input is only the one- and two-particle Green’s function which is the output of numerous many-body methods. As an illustration, we present results for a toy model, the Hubbard model on a 2 × 2 cluster and a 6 site ring
en
dc.description.sponsorship
FWF - Österr. Wissenschaftsfonds
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dc.language.iso
en
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dc.subject
two-site reduced density matrix
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dc.subject
entanglement
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dc.subject
two-particle Green's function
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dc.title
Two-site reduced density matrix from one- and two-particle Green’s functions
en
dc.type
Presentation
en
dc.type
Vortrag
de
dc.relation.grantno
F 8600
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dc.type.category
Presentation
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tuw.publication.invited
invited
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tuw.project.title
Zentrum für korrelierte Quantenmaterialien und festkörperbasierte Quantensysteme
