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Zeitschrift für Naturforschung A

A Journal of Physical Sciences

Editor-in-Chief: Holthaus, Martin

Editorial Board: Fetecau, Corina / Kiefer, Claus / Röpke, Gerd / Steeb, Willi-Hans

12 Issues per year


IMPACT FACTOR 2016: 1.432

Cite Score 2016: 1.35

SCImago Journal Rank (SJR) 2016: 0.368
Source Normalized Impact per Paper (SNIP) 2016: 0.594

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1865-7109
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Volume 67, Issue 10-11 (Nov 2012)

Issues

Spin Hamilton Operators, Symmetry Breaking, Energy Level Crossing, and Entanglement

Willi-Hans Steeb
  • Corresponding author
  • International School for Scientific Computing, University of Johannesburg, Auckland Park 2006, South Africa
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/ Yorick Hardy / Jacqueline de Greef
  • International School for Scientific Computing, University of Johannesburg, Auckland Park 2006, South Africa
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Published Online: 2014-06-02 | DOI: https://doi.org/10.5560/zna.2012-0064

We study finite-dimensional product Hilbert spaces, coupled spin systems, entanglement, and energy level crossing. The Hamilton operators are based on the Pauli group.We show that swapping the interacting term can lead from unentangled eigenstates to entangled eigenstates and from an energy spectrum with energy level crossing to avoided energy level crossing.

Keywords: Hilbert Space; Energy Level Crossing; Discrete Symmetries; Entanglement

About the article

Received: 2012-06-12

Published Online: 2014-06-02

Published in Print: 2012-11-01


Citation Information: Zeitschrift für Naturforschung A, ISSN (Online) 1865-7109, ISSN (Print) 0932-0784, DOI: https://doi.org/10.5560/zna.2012-0064.

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© 1946 – 2014: Verlag der Zeitschrift für Naturforschung. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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