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This module should contain objects that describe the algebra of various
operators and representations which can be thought of as abstract instances that serve as storage of the operators. The abstract instance objects derive from the PolynomialTensor. Here we differentiate between generic storage objects and particular instantiations.
Modules
operators module
representations module
Classes
class BinaryCode: The BinaryCode class provides a representation of an encoding-decoding
class BinaryCodeError: Common base class for all non-exit exceptions.
class BinaryPolynomial: The BinaryPolynomial class provides an analytic representation
class BinaryPolynomialError: Common base class for all non-exit exceptions.
class BosonOperator: BosonOperator stores a sum of products of bosonic ladder operators.
class DOCIHamiltonian: Class for storing DOCI hamiltonians which are defined to be
class DiagonalCoulombHamiltonian: Class for storing Hamiltonians of the form
class FermionOperator: FermionOperator stores a sum of products of fermionic ladder operators.
class InteractionOperator: Class for storing 'interaction operators' which are defined to be
class InteractionOperatorError: Common base class for all non-exit exceptions.
class InteractionRDM: Class for storing 1- and 2-body reduced density matrices.
class InteractionRDMError: Common base class for all non-exit exceptions.
class IsingOperator: The IsingOperator class provides an analytic representation of an
class MajoranaOperator: A linear combination of products of Majorana operators.
class PolynomialTensor: Class for storing tensor representations of operators that correspond
class PolynomialTensorError: Common base class for all non-exit exceptions.
class QuadOperator: QuadOperator stores a sum of products of canonical quadrature operators.
class QuadraticHamiltonian: Class for storing Hamiltonians that are quadratic in the fermionic
class QuadraticHamiltonianError: Common base class for all non-exit exceptions.
class QubitOperator: A sum of terms acting on qubits, e.g., 0.5 * 'X0 X5' + 0.3 * 'Z1 Z2'.
class SymbolicOperator: Base class for FermionOperator and QubitOperator.
Functions
antisymmetric_canonical_form(...): Compute the canonical form of an antisymmetric matrix.
double_decoding(...): Concatenates two decodings
general_basis_change(...): Change the basis of an general interaction tensor.
shift_decoder(...): Shifts the indices of a decoder by a constant.