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quest
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3 votes
1 answer
505 views

Cirq: n-qubit GHZ state

2 votes
2 answers
848 views

Density Matrix of 3 Qubit Quantum Circuit (Qiskit Density Matrix)

2 votes
1 answer
703 views

How to find the Kraus operators from the process matrix?

2 votes
1 answer
173 views

Qutip choi_to_kraus and to_kraus functions are not returning list of Kraus representation

2 votes
1 answer
159 views

From Hamiltonian to the Pulse Sequence

2 votes
0 answers
75 views

How to use stabilizers to simulate the circuit?

2 votes
1 answer
115 views

Cirq: Result of rotating qubit measurements never come [0 1] or [1 0 ], always come as [0,0] or [1,1]

2 votes
3 answers
1k views

Toffoli Gate Matrices

2 votes
1 answer
120 views

Can we write CNOT gate in terms of Quaternion?

2 votes
1 answer
101 views

Hadamard gate for qudit (dimesion 8)

2 votes
1 answer
132 views

Design NISQ Circuit with StrawberryFields

1 vote
0 answers
50 views

Differences between Extractors and Privacy Amplification for Quantum Random Generators

1 vote
1 answer
264 views

Cirq-Measuring a State with Rotation Matrix

1 vote
0 answers
80 views

How to show numerically that a subgroup of SU(2) and CNOT gate can give us a finite group?

1 vote
0 answers
61 views

Finding the number of Failure for Surface Code by using Pymatching (without STIM): ValueError: The shape of the syndrome vector z is not valid

1 vote
1 answer
115 views

is it possible to use STIM for non-clifford circuits?

1 vote
1 answer
235 views

Is there any map between Phenomenological Noise Model and Circuit Based Noise Model?

1 vote
0 answers
71 views

Kraus Operators for Weak Measurments

1 vote
1 answer
467 views

Understanding Hamiltonian's of the Single Qubit Gates and Toffoli gate

1 vote
1 answer
210 views

Pymatching Toric Code vs Surface Code

1 vote
2 answers
116 views

How to Switch Toric Code to Surface Code (no using STIM!)

1 vote
1 answer
260 views

Producing $|ghz\rangle\langle ghz|$ State in Cirq

1 vote
2 answers
126 views

What are the libararies for Machine Learning on NISQ Chip? And What are the roadmaps?

1 vote
1 answer
354 views

Writing Toffoli Gate Matrix by one and two qubit gate matrices

1 vote
1 answer
142 views

Bit Flip, Separable state and Several Question about Cirq

1 vote
1 answer
76 views

Cirq - Measure Density Matrix Function Getting First Element

1 vote
2 answers
197 views

Why is the Measurement Result Always 1? (expected to find uniformly random measurement)

1 vote
0 answers
115 views

How is the third-order autocorrelation measured in quantum optics?

0 votes
1 answer
223 views

Are quantum gates superoperators? How to write a quantum circuit as superoperator?

0 votes
1 answer
64 views

Multiple Bipartite Entangled State in Cirq