nextnano³

next generation 3D nano device simulator

Copyright © 1999-2008    Walter Schottky Institut

All rights reserved.

1. In the following, "code" stands for the nextnano³ source code, compiled executables derived from this source code, and all documentation that is distributed with it or published on this website.

2. All title, ownership and rights to the code or to copies of it remain with the authors, irrespective of the ownership of the media on which the program resides.

3. This code is provided "as is", without any warranty of any kind, either expressed or implied, including but not limited to, any implied warranty of merchantability or fitness for any purpose.

4. The entire risk as to the quality, the performance, and the fitness of the program for any particular purpose lies with the party using the code.

5. In no event will the authors or any party who distributed the code be liable for damages or for any claim(s) by any third party, including but not limited to, any lost profits, lost monies, lost data or data rendered inaccurate, losses sustained by third parties, or any other special, incidental or consequential damages arising out of the use or inability to use the program, even if the possibility of such damages has been advised against.

6. This code, and any derivative of this code, may not be redistributed, rented, licensed, or sold to third parties without the prior explicit written permission of all authors or their legal proxies.

7. This code, and any derivative of this code, may also not be used in a commercial package without the prior explicit written permission of all authors or their legal proxies.

8. The authors of this code are not required to provide user or technical support and may authorize a third party to provide such services.

ANY USE OF THIS CODE CONSTITUTES ACCEPTANCE OF THE TERMS OF THE COPYRIGHT NOTICE.

Third party software

The nextnano³ code uses some parts which have been developed by other parties:

• BLAS (Basic Linear Algebra Subprograms):
  www.netlib.org/blas
  
  License: freely-available software package
  It can be included in commercial software packages (and has been).
   
• LAPACK (Linear Algebra PACKage):
  www.netlib.org/lapack
  
  License: (c) The University of Tennessee (Copyright notice)
   
• ARPACK (to solve large scale eigenvalue problems):
  www.caam.rice.edu/software/ARPACK
  
  License: ARPACK is an open source software package released with a BSD-like license.
   
• Jacobi-Davidson eigenvalue solver (to solve large scale eigenvalue problems, e.g. interior eigenvalues)
  (Diederik R. Fokkema, M. van Gijzen, M. Kooper)
  
  Jacobi Davidson style QR and QZ algorithms for the partial reduction of matrix Pencils
  D. R. Fokkema, G.L.G Sleijpen, H.A. van der Vorst
  Preprint no. 941, Department of Mathematics, Utrecht University, January 1996
  
  License: GNU General Public License (version 3 of the License, or any later version) as published by the Free Software Foundation.
   
• subroutine gen2ddos
  
  Generalized density of states for 2D Brillouin zones, linear method of G. Wiesenekker, G. te Velde, E.J. Baerends, J. Phys. C 21, 4263 (1988)