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physics.comp-ph2022★ 59 cited
sparse-ir: optimal compression and sparse sampling of many-body propagators
Markus Wallerberger, Samuel Badr, Shintaro Hoshino +13
We introduce sparse-ir, a collection of libraries to efficiently handle imaginary-time propagators, a central object in finite-temperature quantum many-body calculations. We levera…
physics.comp-ph2018★ 45 cited
irbasis: Open-source database and software for intermediate-representation basis functions of imaginary-time Green's function
Naoya Chikano, Kazuyoshi Yoshimi, Junya Otsuki +1
The open-source library, irbasis, provides easy-to-use tools for two sets of orthogonal functions named intermediate representation (IR). The IR basis enables a compact representat…