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SyTen
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SyTen
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The helper class for the construction of the one particle reduced density matrix. More...
#include <rdm.h>
Inheritance diagram for syten::T3N::RDMs::OneParticleRDM: Collaboration diagram for syten::T3N::RDMs::OneParticleRDM:Public Types | |
| typedef std::vector< std::array< std::string, 2 > > | SSOList |
| The type containing a list of SSOs. More... | |
Public Member Functions | |
| void | construct () |
| Actually constructs the RDM. More... | |
| DenseTensor< 2, SDef > const & | getRDM (Index const which) const |
| Returns a reference to a requested RDM. More... | |
| DenseTensor< 2, SDef > | moveRDM (Index const which) |
| Returns the RDM as rvalue. More... | |
| std::vector< DenseTensor< 2, SDef > > | moveRDMs () |
| Returns the RDMs as rvalue. More... | |
| OneParticleRDM (State &psi_, Lattice const &lat, SSOList const &opPairs) | |
| Constructor taking an MPS, a lattice and some operators and storing everything. More... | |
| DenseTensor< 2, SDef > | sumOverSpins () const |
| Takes the full RDM and sums over the spins. More... | |
| Public Member Functions inherited from syten::T3N::RDMs::RDM | |
| virtual void | construct ()=0 |
| Every RDM needs to specify how it's constructed. More... | |
| auto const & | getInverseMap () const |
| Get access to the reversed ordering. More... | |
| auto const & | getMap () const |
| Get access to the ordering. More... | |
| RDM (State &psi_) | |
| Constructor. More... | |
Private Member Functions | |
| void | twoSite_right_rec (Tree::Position const &second_pos, Vec< Pair< STensor, SBasis > > &blocks_) |
| Recursive helper function. More... | |
| void | twoSite_upwards_rec (Tree::Position const &second_pos, LegType const cameFrom) |
| Recursive helper function. More... | |
Private Attributes | |
| Vec< Pair< STensor, SBasis > > | contrs |
| Stores the contractions. More... | |
| Lattice const & | lat |
| The lattice. More... | |
| Index const | numberOfRDMs |
| Number of RDMs stored locally. More... | |
| Vec< DenseTensor< 2, SDef > > | rdms |
| The actual RDMs. More... | |
| SSOList | ssoList |
| A copy of the single site tensors. More... | |
Additional Inherited Members | |
| Public Attributes inherited from syten::T3N::RDMs::RDM | |
| Index const | branching_size |
| Index const | physical_size |
| Index const | total_size |
| Total size of the system, stored locally. More... | |
| bool | verbose_output = true |
| Print the progress or not. More... | |
| Protected Member Functions inherited from syten::T3N::RDMs::RDM | |
| void | init_map_rec (State::cPtrc ptr, Tree::Position &pos_, Index &counter) |
| Initialises the mappings recursively. More... | |
| Protected Attributes inherited from syten::T3N::RDMs::RDM | |
| std::map< Vec< Index >, Index > | inverse_map |
| Inverse mapping. More... | |
| std::map< Index, Vec< Index > > | map |
| Mapping. More... | |
| State::Ptr | node |
| Position as Ptr. More... | |
| Tree::Position | pos |
| Position as vector. More... | |
| State & | psi |
| The state. More... | |
The helper class for the construction of the one particle reduced density matrix.
1.9.4