tqecd.pauli.PauliString

class PauliString(pauli_by_qubit: dict[int, Literal['I', 'X', 'Y', 'Z']])

A mapping from qubits to Pauli operators that represent a Pauli string.

Invariant:

This class never stores identity Pauli terms. Any missing Pauli term is considered to be an identity. As such, it is illegal to initialise this class with an identity term.

__init__(pauli_by_qubit: dict[int, Literal['I', 'X', 'Y', 'Z']]) → None

Methods

__init__(pauli_by_qubit)
after(tableau, targets)
anticommutes(other)	Check if this Pauli string anticommutes with another Pauli string.
collapse_by(collapse_operators)	Collapse the provided Pauli string by the provided operators.
commutes(other)	Check if this Pauli string commutes with another Pauli string.
contains(other)
from_stim_pauli_string(stim_pauli_string)	Convert a stim.PauliString to a PauliString instance, ignoring the sign.
overlaps(other)
to_stim_pauli_string(length)	Convert a PauliString to a stim.PauliString instance.

Attributes

non_trivial_pauli_count
qubit
qubits