HubbardGPU
Hubbard diagonalisation on the GPU (and CPU)
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ham2D.h
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1 /* Copyright (C) 2012 Ward Poelmans
2 
3 This file is part of Hubbard-GPU.
4 
5 Hubbard-GPU is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
9 
10 Hubbard-GPU is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with Hubbard-GPU. If not, see <http://www.gnu.org/licenses/>.
17 */
18 
19 #ifndef HAM2D_H
20 #define HAM2D_H
21 
22 #include "ham.h"
23 
34 class HubHam2D : public Hamiltonian
35 {
36  public:
37  HubHam2D(int L, int D, int Nu, int Nd, double J, double U);
38  virtual ~HubHam2D();
39 
40  void BuildFullHam();
41 
42  protected:
43  int hopping(myint a, myint b, int jump=0) const;
44 
46  int L;
48  int D;
49 };
50 
51 #endif /* HAM2D_H */
52 
53 /* vim: set ts=8 sw=4 tw=0 expandtab :*/