Density matrix technique for ground state calculations

Autor:	Jeroen Doumen, J. M. J. van Leeuwen, M. S. L. du Croo de Jongh
Rok vydání:	1999
Předmět:	Density matrix Slowdown EWI-1018 General Physics and Astronomy IR-55823 Matrix (mathematics) Planar Hardware and Architecture Quantum mechanics Linear complex structure Ground state Quantum Eigenvalues and eigenvectors Mathematics
Zdroj:	Computer physics communications, 121/12(Sept/O), 483-488. Elsevier
ISSN:	0010-4655
DOI:	10.1016/s0010-4655(99)00387-2
Popis:	The density matrix approach is a technique to calculate the lowest eigenvalue of a large matrix such as occurring in quantum mechanical systems. So far the method works very well for systems with a linear structure. The limitations for a planar structure, from critical correlations and from slowdown, due to the existence of slow modes, will be discussed using the transverse Ising model as illustration.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1b80a70437d8e2d6d1edd0b5dc4ad64a https://doi.org/10.1016/s0010-4655(99)00387-2 Zobrazit plný text záznamu Full Text from ScienceDirect