Matrix-product-state-based band-Lanczos solver for quantum cluster approaches
Matrix-product-state-based band-Lanczos solver for quantum cluster approaches
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Ithaca: Cornell University Library, arXiv.org
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English
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Ithaca: Cornell University Library, arXiv.org
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We present a matrix-product state (MPS) based band-Lanczos method as solver for quantum cluster methods such as the variational cluster approximation (VCA). While a na\"ive implementation of MPS as cluster solver would barely improve its range of applicability, we show that our approach makes it possible to treat cluster geometries well beyond the...
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Matrix-product-state-based band-Lanczos solver for quantum cluster approaches
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TN_cdi_proquest_journals_2878531595
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https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_proquest_journals_2878531595
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2331-8422
