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| Issue Date | Title | Author(s) |
| 2004 | A solvable model of a one-dimensional quantum gas with pair interaction | Schmidt, HJ; Bartke, J |
| 2001 | Bounding and approximating parabolas for the spectrum of Heisenberg spin systems | Schmidt, HJ; Schnack, J ; Luban, M |
| 2003 | Classical ground states of symmetric Heisenberg spin systems | Schmidt, HJ; Luban, M |
| 2001 | Continuous families of isospectral Heisenberg spin systems and the limits of inference from measurements | Schmidt, HJ; Luban, M |
| 2004 | Exact eigenstates and macroscopic magnetization jumps in strongly frustrated spin lattices | Richter, J; Schulenburg, J; Honecker, A; Schnack, J ; Schmidt, HJ |
| 2004 | General properties and analytical approximations of photorefractive solitons | Geisler, A; Homann, F; Schmidt, HJ |
| 2000 | Ground-state properties of antiferromagnetic Heisenberg spin rings | Barwinkel, K; Schmidt, HJ; Schnack, J |
| 2001 | Heisenberg exchange parameters of molecular magnets from the high-temperature susceptibility expansion | Schmidt, HJ; Schnack, J ; Luban, M |
| 2003 | Improved upper and lower energy bounds for antiferromagnetic Heisenberg spin systems | Barwinkel, K; Schmidt, HJ; Schnack, J |
| 2001 | Independent magnon states on magnetic polytopes | Schnack, J ; Schmidt, HJ; Richter, J; Schulenburg, J |
| 1998 | Investigations on finite ideal quantum gases | Schmidt, HJ; Schnack, J |
| 2002 | Linear energy bounds for Heisenberg spin systems | Schmidt, HJ |
| 2002 | Macroscopic magnetization jumps due to independent magnons in frustrated quantum spin lattices | Schulenburg, J; Honecker, A; Schnack, J ; Richter, J; Schmidt, HJ |
| 2005 | Metamagnetic phase transition of the antiferromagnetic Heisenberg icosahedron | Schroder, C; Schmidt, HJ; Schnack, J ; Luban, M |
| 2002 | Partition functions and symmetric polynomials | Schmidt, HJ; Schnack, J |
| 2000 | Photon stars | Schmidt, HJ; Homann, F |
| 2003 | Quantum numbers for relative ground states of antiferromagnetic Heisenberg spin rings | Barwinkel, K; Hage, P; Schmidt, HJ; Schnack, J |
| 2002 | Reply to the Comment by O. Waldmann on ``Bounding and approximating parabolas for the spectrum of Heisenberg spin systems'' | Schmidt, HJ; Schnack, J ; Luban, M |
| 2005 | Spin systems with dimerized ground states | Schmidt, HJ |
| 2000 | Structure and relevant dimension of the Heisenberg model and applications to spin rings | Barwinkel, K; Schmidt, HJ; Schnack, J |
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