Tag: cirq

12 What are physically allowed CNOTs for Rigetti's 19 qubit chip and Google's 72 qubit BristleCone chip? 2018-07-19T14:34:57.293

8 Is there a mistake in the VQE Ansatz in Cirq's tutorial? 2019-11-06T08:57:33.393

6 Why is this implementation of the order finding algorithm not working? 2018-12-03T23:51:42.080

5 List of qubit locations with cirq 2018-07-23T09:39:31.433

5 Where does the Xmon simulator from Googles cirq framework its entropy from? 2019-02-02T20:58:53.027

5 How to learn parameters in a quantum circuit, given an interference pattern? 2020-11-12T09:19:08.363

4 How do I create my own unitary matrices that I can apply to a circuit in Cirq? 2018-10-24T02:05:09.593

4 Using parametrised values and 'Symbols' in Cirq 2019-02-14T18:34:16.097

4 How to set a starting state in cirq? 2019-02-15T13:22:03.493

4 How is $X^q$ equal to $RX(\pi q)$? 2019-02-27T13:15:56.127

4 Creating an ansatz for variational quantum algorithms? 2019-02-27T20:10:06.870

4 N-Toffoli on Cirq 2019-06-22T01:38:10.197

4 How to implement NM Algorithm for Variational Quantum Eigensolver? 2019-06-23T02:24:04.223

4 Overview of Cirq, qiskit, q#, ibmq(circuit board), other 2019-09-11T03:15:59.333

4 How to prepare a specific initial state of three qubits? 2019-10-17T08:43:46.387

4 How to add noise to existing gates in Cirq? 2019-11-03T12:59:14.253

4 Moments-based quantum circuit in Cirq 2019-11-21T10:09:35.707

4 Access and set_state during quantum computation simulation in cirq 2020-12-18T10:31:32.297

3 cirq.ControlledGate from sub-circuit generator 2019-01-08T20:19:01.450

3 How to add control to gates in Cirq? 2019-02-18T19:50:04.987

3 Measuring the expected energy of a quantum circuit 2019-06-22T05:55:04.983

3 Quantum Optimization via Quantum Label Classification in Quantum Circuits 2019-06-27T04:43:52.423

3 Estimate run time of Cirq circuit on forthcoming Google quantum computer 2019-07-11T22:53:39.620

3 cirq.Ry complains that it needs one argument 2019-10-22T23:24:31.930

3 Does TensorFlow Quantum tfq.convert_to_tensor work on custom gates? 2020-12-07T04:32:48.730

3 How do you represent one-quibit rotations in two registers as its own 4x4 unitary matrix? 2020-12-20T00:36:43.907

3 In Simon's algorithm, is there a general method to define an oracle given a certain periodicity? 2021-01-18T10:09:39.433

3 Cirq: n-qubit GHZ state 2021-01-27T20:01:57.553

2 Is it possible to see how CompositeGates are decomposed when simulated using XmonSimulator? 2018-11-30T01:20:58.067

2 Would this quantum algorithm implementation work? 2018-12-03T05:06:57.113

2 Is this the correct quantum circuit for the order-finding algorithm? 2018-12-04T20:35:11.927

2 GridQubit in Cirq vs LineQubit 2019-06-24T05:51:24.363

2 Cirq: Any interesting introductory level example using 2D grid of qubits? 2019-10-21T13:56:00.990

2 Cirq - Print state of qubit 2020-03-14T14:10:54.360

2 Building a state with parallel execution 2020-03-24T13:05:46.417

2 A bug during CIRQ installation 2020-03-27T18:20:48.490

2 How to cite cirq in a scientific article? 2020-05-07T04:38:13.280

2 Wrong Expectation value when implementing a VQE for the Heisenberg Hamiltonian 2020-09-30T14:15:48.007

2 How to convert a dataset of different values in [0,1000] to quantum data for training a model using Tensorflow QuantumHaving? 2021-01-20T11:24:08.073

2 Cirq: Result of rotating qubit measurements never come [0 1] or [1 0 ], always come as [0,0] or [1,1] 2021-01-23T11:31:52.303

1 Is it possible to create controlled gates with an exponent in Cirq? 2018-11-17T00:32:19.517

1 Do these outputs seem normal for the order finding algorithm? 2018-12-05T02:50:11.310

1 Why are these circuits not producing the expected output? 2018-12-05T20:35:36.717

1 Why are these circuits not producing the same output? 2018-12-06T00:21:42.003

1 How do you start a simulation with a random initial state in Cirq? 2019-04-12T15:03:40.057

1 Computing circuit depth in Cirq 2019-12-23T03:18:21.020

1 Cirq: creating a new device with custom coupling topology? 2020-02-29T20:07:49.493

1 Ising Model, Graphs, and Cirq 2020-03-03T20:32:51.847

1 VQE Cirq example 2020-03-13T02:31:07.697

1 Explanation of HHL Cirq implementation 2020-03-14T16:33:12.633

1 Normalization of the quantum state in Cirq 2020-03-20T15:42:16.450

1 How to calculate the probabilities of observing quantum states using the "expectation_from_wavefunction" in cirq (and why) 2020-03-22T09:24:34.457

1 Cirq: easiest way to compute qubit Hamiltonian expectation value with number of shots 2020-03-25T19:12:36.050

1 Can We Currently Import Quantum Datasets (Datasets Containing Quantum Data) Onto NISQ-era Quantum Computers? 2020-04-29T16:01:02.323

1 Can't append multiple times with self-defined oracle 2020-05-22T19:09:00.597

1 Adding Quantum State Tomography Step in Cirq HHL Algorithm Implementation 2020-06-22T16:32:08.913

1 Can not build circuit unitary for a three-qubit gate in Cirq 2020-06-25T13:29:57.200

1 Visualizing custom gates in Cirq 2020-07-08T19:26:36.980

1 Applying a gate to all line qubits without explicitly listing them in Cirq 2020-07-08T22:18:33.087

1 Reordering commuting gates in cirq to reduce circuit depth? 2020-08-27T11:02:48.873

1 Running Google Cirq example code from their webpage -- where do I find information about PROCESSOR_ID? 2020-09-11T16:15:09.053

1 Can I run Cirq on IBMQ? 2020-10-15T05:21:44.347

1 Bit Flip, Seperable state and Several Question about Cirq 2020-10-21T23:24:10.483

1 Cirq-Measuring a State with Rotation Matrix 2020-10-29T00:16:22.110

1 Implementing the HHL algorithm with negative eigenvalues (Cirq) 2020-10-31T06:54:44.500

1 Cirq - Measure Density Matrix Function Getting First Element 2020-11-01T11:31:06.647

1 Cirq.simulate expectation value of a Hamiltonian 2020-11-24T22:40:05.530

1 Why is the Measurement Result Always 1? (expected to find uniformly random measurement) 2020-12-03T14:40:54.270

1 Does Cirq support GPU acceleration? 2020-12-09T03:38:03.110

1 What is a good program to practice using a quantum algorithm? Should I use Cirq or Qiskit? 2021-02-22T00:56:15.787

0 How to do a $C-PH$ gate in google cirq 2019-08-08T08:23:10.230

0 Is there a function that returns the probability of measuring a particular state in Cirq? 2019-09-03T19:36:18.777

0 Understanding SGD on a Quantum Circuit 2020-03-11T19:21:42.490

0 Placement of quantum circuits 2020-04-06T15:14:07.410

0 VQE for Beginners : Using Tutorial and Cirq 2020-04-11T02:24:04.093

0 Implementing U2-Gates on Cirq 2020-04-12T21:25:11.870

0 How to assign values to the symbols in a parametrized Cirq circuit without running it? 2020-06-19T07:01:53.917

0 How to build a controlled two-qubit gate? 2020-06-25T14:25:11.007

0 What is the analysis of the Bell Inequality protocol in Cirq's 'examples'? 2020-08-18T19:42:36.127

0 Deutsch-Jozsa algorithm: an oracle implementation 2020-08-20T16:22:43.850

0 XX and YY and ZZ Hamiltonians in vqe 2020-09-21T15:20:32.190

0 Output a Cirq gate as a Numpy array? 2020-10-14T06:52:02.553

0 Producing $|ghz\rangle\langle ghz|$ State in Cirq 2020-10-18T18:33:51.490

0 Cirq: Creating an arbitrary gate for an arbitrary number of qubits 2020-10-20T10:00:40.977

0 Multiple Bipartite Entangled State in Cirq 2020-10-21T20:38:47.253

0 Interpret graph nodes as qubits 2021-02-14T05:12:24.327

-1 Create this state using CIRQ Coding language 2020-08-25T11:46:28.180

-1 Implementing Cirq Coding Gates 2020-09-16T23:58:16.213