Quantum System

Artificial Atom

QuantumSystem([name])	Generic quantum system class.
CircuitLCJ([b_transmon, basis, num_basis, ...])	Class for a generic L-C-J circuit.
CircuitLCJ.set_phi_basis(phi_max[, num_phi, ...])	Initializes parameters for phase basis.
CircuitLCJ.set_charge_basis(n_max[, num_n])	Initializes parameters for charge basis.
CircuitLCJ.unify_state_phase(operator)	Adjusts the phase of eigenstates to meet the condition <i|m|i+1> matrix elements are real positive.
Transmon([ec, ej, ng, constant, d, phiext, ...])	Class for the transmon qubit.
Fluxonium([ec, ej, el, constant, phiext, ...])	Class for the fluxonium qubit.
Resonator([f_res, remove_zpe, constant, ...])	Class representing a harmonic resonator.

Interaction

parse_interaction(**kwargs)	Parse subsystem_list and keyword arguments, specify the interaction between subsystems constructing the InteractionTerm.
InteractionTerm(operator_list[, strength, ...])	Class for specifying a term in the interaction Hamiltonian of a composite Hilbert space.
InteractingSystem(subsystem_list[, ...])	Class holding information about the whole system.
InteractingSystem.compute_energy_map([...])	Compute the energy of the whole system in the dressed indices, enumerating eigenenergies and eigenstates as j=0,1,2,.
InteractingSystem.transform_operator(...)	Transform operator to current eigenbasis and truncated eigenbasis.

Data Structure

KronObj([inpt, dims, locs, _nested_inpt, ...])	The Kronecker Object (KronObj) class is designed to represent k-body Hamiltonian in Kronecker product format.
KronObj.compute_contraction_path([op_list, ...])	Compute tensor network contraction path.
KronObj.expm([right_vec, trotter_order, tn_expr])	Calculate matrix exponentiation of KronObj.
LindbladObj([inpt, dims, locs, ...])	The Lindblad Object (LindbladObj) class is designed to represent superoperator in Kronecker product format.
LindbladObj.add_lindblad_operator(a[, b, chi])	Lindblad operator for a single pair of collapse operators (a, b), or for a single collapse operator (a) when b is not specified:
LindbladObj.compute_contraction_path([...])	Compute tensor network contraction path.
LindbladObj.expm([right_density, ...])	Calculate matrix exponentiation of LindbladObj.