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Volumn 80, Issue 16, 2009, Pages

Variational matrix-product-state approach to quantum impurity models

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EID: 72449185787     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.80.165117     Document Type: Article
Times cited : (148)

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    • Compared to other techniques for calculating Green's functions (Refs.), the VMPS approach proposed here has the advantage that it is variational, and hence in principle optimal within the set of MPS. It is more efficient than the continued fraction method (Ref.), the correction vector method (Ref.) and dynamical DMRG (Ref.), because each of these methods require several states to be calculated simultaneously, thus requiring larger D for the same precision.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.