Majoranapp
A C++ library for studying MZM in non-interacting systems
ZeemanZTerm.hpp
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1 #ifndef SPINFULLFILLER_ZEEMANZTERM_HPP
2 #define SPINFULLFILLER_ZEEMANZTERM_HPP
3 
4 #include "../Hamiltonian.hpp"
5 #include "../EnumGamma.hpp"
6 
7 namespace Spinfull
8 {
9 
26 class ZeemanZTerm
27 {
28 public:
37  template <class T>
38  static void Fill(Hamiltonian<T> &ham, double zeeman, int i)
39  {
40  ham.InsertBlock(Gamma::UpPlus, i, Gamma::UpMinus, i, -0.5 * zeeman);
41  ham.InsertBlock(Gamma::DownPlus, i, Gamma::DownMinus, i, +0.5 * zeeman);
42  }
43 
44  static const std::string name;
45  static constexpr size_t locality{1};
46 };
47 
48 const std::string ZeemanZTerm::name{"zeemanZ"};
49 
50 }
51 
52 #endif
Hamiltonian
Hamiltonian class for counting MZM in non-interacting systems.
Definition: Hamiltonian.hpp:13
Spinfull::ZeemanZTerm
Zeeman Z term .
Definition: ZeemanZTerm.hpp:26
Spinfull::ZeemanZTerm::locality
static constexpr size_t locality
Definition: ZeemanZTerm.hpp:45
Spinfull::ZeemanZTerm::name
static const std::string name
Definition: ZeemanZTerm.hpp:44
Spinfull
Definition: ChemicalTerm.hpp:7
Hamiltonian::InsertBlock
void InsertBlock(Gamma gammai, int i, Gamma gammaj, int j, double value)
insert block: value * gamma_i^alpha gamma_j^beta
Definition: Hamiltonian.hpp:59
Spinfull::ZeemanZTerm::Fill
static void Fill(Hamiltonian< T > &ham, double zeeman, int i)
Filler.
Definition: ZeemanZTerm.hpp:38