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SyTen
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SyTen
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Implementation for inc/mps/lbo_state.h. More...
#include "inc/mps/lbo_state.h"#include "inc/mps/state.h"#include "inc/tensor/tensor_gen.h"#include "inc/tensor/tensor_svd.h"#include "inc/tensor/tensor_qr.h"#include "inc/tensor/tensor_misc.h"#include "inc/tensor/tensor_operators.h"
Include dependency graph for lbo_state.cpp:Namespaces | |
| namespace | syten |
| Syten namespace. | |
| namespace | syten::MPS |
| The namespace containing all MPS-related tools, classes and objects. | |
Functions | |
| void | syten::MPS::addScaled (LBOState &a, LBOState const &b, SDef const &s) |
Adds b, scaled by s, to a. More... | |
| SRDef | syten::MPS::apply_op_itrunc (LBOState &a, Operator const &op, Truncation const &trunc, bool const relax=true, bool const final_rightnorm=true) |
Applies the operator op to the state a using a variant of the zip-up algorithm by Stoudenmire et. al. More... | |
| SRDef | syten::MPS::apply_op_naive (LBOState &a, Operator const &op) |
Naively applies the operator op to the state a. More... | |
| bool | syten::MPS::expand_to_left_lbo (Tensor< 3 > const &right, Tensor< 4 > const &op, LBOState &target, Index const position, SRDef const alpha=0.1, Index const max_blocksize=15, SRDef const ratio=1., Index const min_blocksize=5) |
Expands the LBO leftwards from site position. More... | |
| bool | syten::MPS::expand_to_right_lbo (Tensor< 3 > const &left, Tensor< 4 > const &op, LBOState &target, Index const position, SRDef const alpha=0.1, Index const max_blocksize=15, SRDef const ratio=1., Index const min_blocksize=5) |
Expands the LBO rightwards from site position. More... | |
| bool | syten::MPS::expand_to_top (Tensor< 3 > const &left, Tensor< 3 > const &right, Tensor< 4 > const &op, LBOState &target, Index const position, SRDef const alpha=0.1, Index const max_blocksize=15, SRDef const ratio=1., Index const min_blocksize=5) |
Expands the LBO topwards from site position. More... | |
| SDef | syten::MPS::expectation (LBOState const &a, Operator const &op) |
| Calculates the expectation value \(\langle a | \left(\hat O | a \rangle\right)\). More... | |
| SDef | syten::MPS::expectation (LBOState const &a, Operator const &op, LBOState const &b) |
| Calculates the expectation value \(\langle b | \left(\hat O | a \rangle\right)\). More... | |
| Tensor< 3 > | syten::MPS::lbo_lbo_mps_cmp (Tensor< 3 > const &m, Tensor< 2 > const &v_lower, Tensor< 2 > const &v_upper) |
Contracts the physical indices of the MPS m component with the physical indices of v_lower and the full physical index of herm(v_upper), resulting in a new MPS component in the optimised space. More... | |
| Tensor< 4 > | syten::MPS::lboify_mpo_cmp (Tensor< 4 > const &w, Tensor< 2 > const &v_lower, Tensor< 2 > const &v_upper) |
Contracts the physical indices of the MPO component w with the LBO tensors v_lower and herm(v_upper) to result in a new MPO component in the LBO space. More... | |
| SRDef | syten::MPS::norm (LBOState const &a) |
| Calculates the norm of a state. More... | |
| SRDef | syten::MPS::normSqd (LBOState const &a) |
| Calculates the norm of a state. More... | |
| std::ostream & | syten::MPS::operator<< (std::ostream &out, LBOState const &s) |
Prints the state to the output stream out More... | |
| SDef | syten::MPS::overlap (LBOState const &b, LBOState const &a) |
| Calculates the overlap of two states. More... | |
Implementation for inc/mps/lbo_state.h.
1.9.4