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Lehrstuhl für Theoretische Physik I

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Letzte Änderung: 2010-02-17 21:37

supplementary electronic material

Here supplementary research results are presented in electronic form which are not suitable for hardcopy publication. Either the files are too large or it would be too tedious to re-type them, e.g. computer algebraic results. Each file, however, belongs a specific publication and was obtained in collaboration with the co-authors of this specific publication.

The files are made accessible to you for your convenience. If you are using any of the data listed below, please, make sure that you cite properly the corresponding reference.

list of publications with supplementary electronic material

1. C. Knetter and G.S. Uhrig
   Perturbation theory by flow equations: dimerized and frustrated S=½ chain
   European Physical Journal B 13(2), 209-225 (2000)
   cond-mat [cond-mat/9906243]
   
   
   • ground state energy and hopping coefficients in Maple format
   • ground state energy and hopping coefficients in Mathematica format
   • general expansion coefficients C(m) as in Eq. (25) (about 1.7MB, gzipped)
     the coefficients are given in the format m C(m),
     that means, if m = m_1,m_2,..,m_i,..,m_k and C(m) = P/Q the output line reads
     
     m_1m_2...m_i...m_k P/Q
     
     (coefficients not listed can be obtained by the symmetry relations (18), see also below)
   • inflator programme (ANSI-C) to generate all coefficients from those given above exploiting  the symmetry relations (18).
2. A. Bühler, N. Elstner, and G.S. Uhrig
   High temperature expansion for frustrated and unfrustrated ½ spin chains
   European Physical Journal B 16(3), 475-486 (2000)
   cond-mat [cond-mat/0003221]
   
   
   • coefficients of the HTSE in Maple format
   • coefficients of the HTSE as Maple worksheet
   • coefficients of the HTSE in Mathematica format
3. C. Knetter, A. Bühler, E. Müller-Hartmann, and G.S. Uhrig
   Dispersion and Symmetry of Bound States in the Shastry-Sutherland Model
   Physical Review Letters 85(18), 3958-3961(2000)
   DOI: [doi:10.1103/PhysRevLett.85.3958]
   cond-mat [cond-mat/0005322]
   
   
   • series of the bound states in Maple format
   • series of the bound states in Mathematica format
4. C. Knetter, E. Müller-Hartmann, and G.S. Uhrig
   Symmetries and triplet dispersion in a modified Shastry-Sutherland model for SrCu₂(BO₃)₂
   Journal of Physics: Condensed Matter 12(42), 9069-9083 (2000)
   DOI: [doi:10.1088/0953-8984/12/42/312]
   cond-mat [cond-mat/0009402]
   
   
   • Maple worksheet
5. A. Bühler, U. Löw, and G.S.Uhrig
   Thermodynamic properties of the dimerized and frustrated S=½ chain
   Physical Review B 64(2), 024428 (2001)
   DOI: [doi:10.1103/PhysRevB.64.024428]
   cond-mat [cond-mat/0102101]
   
   
   • coefficients of the HTSE in Maple format
   • coefficients of the HTSE in Mathematica format
6. A. Bühler, U. Löw, K.P. Schmidt, and G.S. Uhrig
   Thermodynamic properties of spin ladders with cyclic exchange
   Physical Review B 67(13), 134428 (2003)
   DOI: [doi:10.1103/PhysRevB.67.134428]
   cond-mat [cond-mat/0210669]
   
   
   • coefficients of the HTSE in Maple format
   • coefficients of the HTSE in Mathematica format