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Parallelization of the exact diagonalization of the t−t′-Hubbard model

Fettes, Werner and Morgenstern, Ingo and Husslein, Thomas (1997) Parallelization of the exact diagonalization of the t−t′-Hubbard model. Computer Physics Communications Package 106 (1-2), pp. 1-9.

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Abstract

We present a new parallel algorithm for the exact diagonalization of the t−t′-Hubbard model with the Lanczos method. By invoking a new scheme of labeling the states we were able to obtain a speedup of up to four on 16 nodes of an IBM SP2 for the calculation of the ground state energy and an almost linear speedup for the calculation of the correlation functions. Using this algorithm we performed ...

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Item Type:Article
Date:2 October 1997
Institutions:Physics > Institute of Theroretical Physics > Professor Morgenstern
Identification Number:
ValueType
10.1016/S0010-4655(97)00097-0DOI
Classification:
NotationType
74.20PACS
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Martin Kaiser
Deposited On:16 Aug 2010 12:29
Last Modified:13 Mar 2014 13:58
Item ID:16162
Owner Only: item control page

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