proj_purification.h File Reference

Functionality to create a projected purification lattice. More...

#include "operator.h"
#include "lattice.h"
#include "state.h"

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Namespaces
namespace	syten
	Syten namespace.
namespace	syten::MPS
	The namespace containing all MPS-related tools, classes and objects.

Functions
std::vector< SDef >	syten::MPS::ProjectedPurification::correlator (Lattice const &lat, State &a, Index const purified_type, Index const site, std::string const &left_op, std::string const &right_op, std::string left_bo="auto", std::string right_bo="auto", bool const displacement=false)
	Computes correlators. More...
State	syten::MPS::ProjectedPurification::generateCompleteState (Lattice const &lat, Basis target, Index const bathType, Index const purified_rep, Basis const &sigma, Index const maxStates=10, Index const maxBlocksize=Index(Maximum()), bool const verbose=true)
	Generates a complete random state in the purified subspace of product Hilbert space, i.e. More...
State	syten::MPS::ProjectedPurification::generateNearFermiSeaState (Lattice const &lat, Index const bathType, Basis const &sigma, Index const maxStates=10, Index const maxBlocksize=Index(Maximum()))
	Generates a fermi sea like state in purified subspace of the product Hilbert space. More...
State	syten::MPS::ProjectedPurification::generateNearVacuumState (Lattice const &lat, Index const bathType, Basis const &sigma)
	Generates near vacuum state. More...
State	syten::MPS::ProjectedPurification::generateSampledProductState (Lattice const &lat, Basis target, Index const bathType, Index const purified_rep, Basis const &sigma, Index const initialOperatorCount=10)
	Generates a sampled state in purified subspace of the product Hilbert space. More...
Operator	syten::MPS::ProjectedPurification::genProjector (Lattice const &lat, std::set< Index > const &bath, std::set< Index > const &purify_types, std::vector< Sector > const &sigmas)
	Creates an MPO projector mapping from the full physical and bath Hilbert space to the projected purification subspace. More...
Operator	syten::MPS::ProjectedPurification::genRevTransformation (Lattice const &lat, Index const purfiedType, Index const bathType, Basis const &sigma)
	Reverses to the original vacuum of the PP mapping. More...
Operator	syten::MPS::ProjectedPurification::genTransformation (Lattice const &lat, Index const bathType, Basis const &sigma)
	Helper function which generates the transformation MPO for the bath sites. More...
std::vector< SDef >	syten::MPS::ProjectedPurification::local_expectation (Lattice const &lat, State &a, Index const purified_type, std::string const &op, std::string bop="auto")
	Local expectation values. More...
Lattice	syten::MPS::ProjectedPurification::proj_purification (Lattice const &lat, std::vector< Index > const &purify_types, std::vector< std::string > const &ca_ops={}, std::vector< Sector > const &sigmas={})
	Takes any lattice and doubles the number of sites. More...

Detailed Description

Functionality to create a projected purification lattice.