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Exact diagonalization: the Bose–Hubbard model as an example

✍ Scribed by Zhang, J M; Dong, R X


Book ID
120187123
Publisher
Institute of Physics
Year
2010
Tongue
English
Weight
400 KB
Volume
31
Category
Article
ISSN
0143-0807

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Parallelization of the exact diagonaliza
✍ W Fettes; I Morgenstern; T Husslein 📂 Article 📅 1997 🏛 Elsevier Science 🌐 English ⚖ 947 KB

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