triqs::hilbert_space::space_partition::lookup_basis_state

#include <triqs/hilbert_space/space_partition.hpp>

Synopsis

space_partition::idx_t lookup_basis_state (space_partition::idx_t basis_state)

Find what invariant subspace a given Fock state belongs to

Parameters

• basis_state Index of a basis Fock state

Returns

Index of the found invariant subspace