Tree tensor network lattice. More...

#include <btt_lattice.h>

Collaboration diagram for syten::BTT::Lattice:

Public Types
typedef BinaryTree::Tree< Basis >	Phys
	The type of the tree of the physical bases per site. More...

Public Member Functions
void	add (std::string const &id, std::string const &desc, Operator const &op, bool const overwrite=false)
	Add a global operator. More...

void	add (std::string const &id, std::string const &desc, Tensor< 5 > const &op, Statistics const stats=Statistics::Bosonic, bool const overwrite=false)
	Add a single-site operator. More...

void	buildIdentity ()
	Builds the global identity operator. More...

void	buildIdentity_rec (Operator::Ptr optr, Phys::Ptr bptr)
	Takes a pointer to a node and builds the left/right subtree if they exist in bptr, then builds the node tensor. More...

Operator const &	get (std::string const &id) const
	Returns the specified stored global operator. More...

template<typename Coordinate >
Operator	get (std::string const &id, Coordinate const &coord) const
	Returns a global operator representing the specified single-site operator. More...

Operator	get (std::string const &id, std::initializer_list< Index > const &coord_list) const
	Returns a global operator representing a specific single-site operator. More...

Tensor< 5 > const &	getLocal (std::string const &id) const
	Returns the local component of a single-site operator identified by `id` More...

	Lattice (std::string const &description_, Basis const &vac_)
	Standard ctor. More...

	Lattice ()=default
	Default ctor. More...

std::vector< std::tuple< std::string, bool, std::string > >	listOps () const
	Returns a vector describing all operators existing on the lattice. More...

void	makeIdentity (Operator::Ptr optr, Phys::Ptr bptr) const
	Given a pointer to an operator node and a pointer to the corresponding basis node, builds an identity operator on that operator node. More...

std::vector< std::string >	nontrivial_coordinates () const
	Creates a vector of valid coordinates pointing to physically nontrivial sites. More...

void	nontrivial_coordinates_rec (const Phys::Ptr ptr, std::string const &current_coord, std::vector< std::string > &coords) const
	Recursive helper for nontrivial_coordinates(). More...

template<class Archive >
void	serialize (Archive &ar, const unsigned int in_version)
	Boost archiving. More...

Public Attributes
std::string	description
	A free-form description of the system. More...

Phys	phys
	A tree of physical bases on each site. More...

Basis	vac
	The vacuum basis of this system. More...

Static Public Attributes
static const std::string	uuid = "39f0696f-200d-473b-99bf-585bb9a8278c"
	The lattice-constant UUID to differentiate them from other things. More...

static constexpr unsigned int	version = 2
	current version, bump if you change one of the data structures here More...

Private Attributes
std::map< std::string, std::pair< std::string, Operator > >	globalOperators
	Stored global operators. More...

std::map< std::string, std::pair< std::string, std::pair< Tensor< 5 >, Statistics > > >	siteOperators
	Single-site operators, dynamically assembled into full MPO. More...

Detailed Description

Tree tensor network lattice.

The documentation for this class was generated from the following files:

inc/btt/btt_lattice.h
inc/btt/btt_lattice.cpp

Public Types

Public Member Functions

Public Attributes

Static Public Attributes

Private Attributes

Detailed Description