WebbFor example, the following code requests a random unital quantum channel that sends 3-by-3 matrices to 4-by-4 matrices and has 5 Kraus operators. Note that a warning is produced because, strictly speaking, no such map exists (it's impossible for a map to be both trace-preserving and unital unless the input and output dimensions are the same). Webb6 apr. 2024 · Initialize a quantum channel Choi matrix operator. Parameters (QuantumCircuit or (data) – Instruction or BaseOperator or matrix): data to initialize …
Matrix representation of quantum circuits - notations and gotchas
Webb18 aug. 2024 · Qiskit is an open-source quantum computing framework designed to enable research on near-term quantum computers and their applications. It provides tools for creating, manipulating and running quantum programs on quantum systems independent of their underlying technology and architecture. WebbReturns: Choi: the matrix power of the SuperOp converted to a Choi channel. Raises: QiskitError: if the input and output dimensions of the QuantumChannel are not equal, or … the humayun tomb
SpinQKit/choi.py at main · SpinQTech/SpinQKit · GitHub
Webbqiskit.quantum_info.random_density_matrix¶ random_density_matrix (dims, rank = None, method = 'Hilbert-Schmidt', seed = None) [source] ¶ Generator a random DensityMatrix. … Webb18 aug. 2024 · In qiskitthere is a convenient function to construct a vector representation from a bit string which we will take advantage of. First start with a two-qubit example: s01=Statevector.from_label('01')s01.data array([0.+0.j, 1.+0.j, 0.+0.j, 0.+0.j]) Comparing to \eqref{01} we find agreement. Similarly, s101=Statevector.from_label('101')s101.data WebbBases: object A simple class representing Pauli Operators. The form is P_zx = (-i)^dot (z,x) Z^z X^x where z and x are elements of Z_2^n. That is, there are 4^n elements (no phases in this group). For example, for 1 qubit P_00 = Z^0 X^0 = I P_01 = X P_10 = Z P_11 = … the humber bridge toll