View source on GitHub
|
Modules
binary_codes module: Pre-existing codes for Fermion-qubit mappings
bksf module: bravyi_kitaev_fast transform on fermionic operators.
commutator_diagonal_coulomb_operator module: Faster commutators for two-body operators with diagonal Coulomb terms.
conversions module
fenwick_tree module: Class to represent a Fenwick tree.
qubitoperator_to_paulisum module
remove_symmetry_qubits module: Module to remove two qubits from the problem space using conservation
term_reordering module: Functions to reorder terms within SymbolicOperators
verstraete_cirac module: Verstraete-Cirac transform on fermionic operators.
Classes
class FenwickNode: Fenwick Tree node.
class FenwickTree: Recursive implementation of the Fenwick tree.
Functions
binary_code_transform(...): Transforms a Hamiltonian written in fermionic basis into a Hamiltonian
bravyi_kitaev(...): Apply the Bravyi-Kitaev transform.
bravyi_kitaev_code(...): The Bravyi-Kitaev transform as binary code. The implementation
bravyi_kitaev_fast(...): Find the Pauli-representation of InteractionOperator for Bravyi-Kitaev
bravyi_kitaev_fast_edge_matrix(...): Use InteractionOperator to construct edge matrix required for the algorithm
bravyi_kitaev_fast_interaction_op(...): Transform from InteractionOperator to QubitOperator for Bravyi-Kitaev fast
bravyi_kitaev_tree(...): Apply the "tree" Bravyi-Kitaev transform.
check_no_sympy(...): Checks whether a SymbolicOperator contains any
checksum_code(...): Checksum code for either even or odd Hamming weight. The Hamming weight
chemist_ordered(...): Puts a two-body fermion operator in chemist ordering.
commutator_ordered_diagonal_coulomb_with_two_body_operator(...): Compute the commutator of two-body operators provided that both are
dissolve(...): Decomposition helper. Takes a product of binary variables
edge_operator_aij(...): Calculate the edge operator A_ij. The definitions used here are
edge_operator_b(...): Calculate the edge operator B_i. The definitions used here are
edit_hamiltonian_for_spin(...): Removes the Z terms acting on the orbital from the Hamiltonian.
extractor(...): Applies the extraction superoperator to a binary expression
generate_fermions(...): The QubitOperator for generating fermions in bravyi_kitaev_fast
get_boson_operator(...): Convert to BosonOperator.
get_fermion_operator(...): Convert to FermionOperator.
get_majorana_operator(...): Convert to MajoranaOperator.
get_quad_operator(...): Convert to QuadOperator.
inline_product(...): Computes a product, using the imul operator.
inline_sum(...): Computes a sum, using the iadd operator.
interleaved_code(...): Linear code that reorders orbitals from even-odd to up-then-down.
jordan_wigner(...): Apply the Jordan-Wigner transform to a FermionOperator,
jordan_wigner_code(...): The Jordan-Wigner transform as binary code.
jordan_wigner_one_body(...): Map the term a^\dagger_p a_q + h.c. to QubitOperator.
jordan_wigner_two_body(...): Map the term a^\dagger_p a^\dagger_q a_r a_s + h.c. to QubitOperator.
linearize_decoder(...): Outputs linear decoding function from input matrix
make_parity_list(...): Create the parity list from the decoder of the input code.
normal_ordered(...): Compute and return the normal ordered form of a FermionOperator,
normal_ordered_ladder_term(...): Return a normal ordered FermionOperator or BosonOperator corresponding
normal_ordered_quad_term(...): Return a normal ordered QuadOperator corresponding to single term.
number_operator(...): Find the qubit operator for the number operator in bravyi_kitaev_fast
parity_code(...): The parity transform (arXiv:1208.5986) as binary code. This code is
qubit_operator_to_pauli_sum(...): Convert QubitOperator to a sum of PauliString.
reorder(...): Changes the ladder operator order of the Hamiltonian based on the
reverse_jordan_wigner(...): Transforms a QubitOperator into a FermionOperator using the
symmetry_conserving_bravyi_kitaev(...): Returns the qubit Hamiltonian for the fermionic Hamiltonian
vacuum_operator(...): Use the stabilizers to find the vacuum state in bravyi_kitaev_fast.
verstraete_cirac_2d_square(...): Apply the Verstraete-Cirac transform on a 2-d square lattice.
vertical_edges_snake(...): Obtain the vertical edges in the 2-d snake ordering.
weight_one_binary_addressing_code(...): Weight-1 binary addressing code (arXiv:1712.07067). This highly
weight_one_segment_code(...): Weight-1 segment code (arXiv:1712.07067). Outputs a 3-mode, 2-qubit
weight_two_segment_code(...): Weight-2 segment code (arXiv:1712.07067). Outputs a 5-mode, 4-qubit