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Classically Optimal Variational Quantum Algorithms [PDF]
IEEE Transactions on Quantum Engineering, 2021 Hybrid quantum-classical algorithms, such as variational quantum algorithms (VQAs), are suitable for implementation on noisy intermediate-scale quantum computers.
Jonathan Wurtz, Peter Love
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Hardware-efficient variational quantum algorithms for time evolution
Physical Review Research, 2021 Parameterized quantum circuits are a promising technology for achieving a quantum advantage. An important application is the variational simulation of time evolution of quantum systems. To make the most of quantum hardware, variational algorithms need to
Marcello Benedetti +2 more
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Unitary block optimization for variational quantum algorithms
Physical Review Research, 2022 Variational quantum algorithms are a promising hybrid framework for solving chemistry and physics problems with broad applicability to optimization as well. They are particularly well suited for noisy intermediate-scale quantum computers.
Lucas Slattery +2 more
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The impact of quantum circuit architecture and hyperparameters on variational quantum algorithms exemplified in the electronic structure of the GaAs crystal [PDF]
Scientific ReportsVariational Quantum Algorithms (VQAs) provide a promising framework for solving electronic structure problems using the computational capabilities of quantum computers to explore high-dimensional Hilbert spaces efficiently. This research investigates the
Ivana Miháliková +2 more
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Dissipative Variational Quantum Algorithms for Gibbs State Preparation
IEEE Transactions on Quantum EngineeringIn recent years, variational quantum algorithms have gained significant attention due to their adaptability and efficiency on near-term quantum hardware.
Yigal Ilin, Itai Arad
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Quantum-optimal-control-inspired ansatz for variational quantum algorithms
Physical Review Research, 2021 A central component of variational quantum algorithms (VQAs) is the state-preparation circuit, also known as ansatz or variational form. This circuit is most commonly designed such as to exploit symmetries of the problem Hamiltonian and, in this way ...
Alexandre Choquette +5 more
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Physical Review Research, 2023 Efficient preparation of spin-squeezed states is important for quantum-enhanced metrology. Current protocols for generating strong spin squeezing rely on either high dimensionality or long-range interactions.
Zheng-Hang Sun +4 more
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Using Variational Quantum Algorithm to Solve the LWE Problem
Entropy, 2022 The variational quantum algorithm (VQA) is a hybrid classical–quantum algorithm. It can actually run in an intermediate-scale quantum device where the number of available qubits is too limited to perform quantum error correction, so it is one of the most
Lihui Lv +6 more
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Noise resilience of variational quantum compiling
New Journal of Physics, 2020 Variational hybrid quantum-classical algorithms (VHQCAs) are near-term algorithms that leverage classical optimization to minimize a cost function, which is efficiently evaluated on a quantum computer.
Kunal Sharma +3 more
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Near-term quantum algorithms for linear systems of equations with regression loss functions
New Journal of Physics, 2021 Solving linear systems of equations is essential for many problems in science and technology, including problems in machine learning. Existing quantum algorithms have demonstrated the potential for large speedups, but the required quantum resources are ...
Hsin-Yuan Huang +2 more
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