Search Results
Experimental QND measurements of complementarity on two-qubit states with IonQ and IBM Q quantum computers
We report the experimental nondemolition measurement of coherence, predictability and concurrence on a system of two qubits.
Quantum Physics
PennyLane: Automatic differentiation of hybrid quantum-classical computations
PennyLane's core feature is the ability to compute gradients of variational quantum circuits in a way that is compatible with classical techniques such as backpropagation.
Scalable measures of magic resource for quantum computers
Here, we introduce efficient measures of magic resource for pure quantum states with a sampling cost that is independent of the number of qubits.
Quantum Physics
QASMBench: A Low-level QASM Benchmark Suite for NISQ Evaluation and Simulation
For evaluation, we measure the execution fidelity of a subset of QASMBench applications on 12 IBM-Q machines through density matrix state tomography, which comprises 25K circuit evaluations.
Quantum Physics
SupermarQ: A Scalable Quantum Benchmark Suite
The emergence of quantum computers as a new computational paradigm has been accompanied by speculation concerning the scope and timeline of their anticipated revolutionary changes.
Quantum Physics Hardware Architecture
SimuQ: A Framework for Programming Quantum Hamiltonian Simulation with Analog Compilation
Quantum Hamiltonian simulation, which simulates the evolution of quantum systems and probes quantum phenomena, is one of the most promising applications of quantum computing.
Programming Languages Quantum Physics
Testing platform-independent quantum error mitigation on noisy quantum computers
We apply quantum error mitigation techniques to a variety of benchmark problems and quantum computers to evaluate the performance of quantum error mitigation in practice.
Quantum Physics Emerging Technologies
Entanglement-induced provable and robust quantum learning advantages
We demonstrate, through both numerical simulations and trapped-ion experiments on IonQ Aria, the desired quantum-classical learning separation.
On the Baltimore Light RailLink into the quantum future
In the current era of noisy intermediate-scale quantum (NISQ) technology, quantum devices present new avenues for addressing complex, real-world challenges including potentially NP-hard optimization problems.
Quantum Physics
Efficient quantum algorithms for stabilizer entropies
Stabilizer entropies (SEs) are measures of nonstabilizerness or `magic' that quantify the degree to which a state is described by stabilizers.
Quantum Physics
