Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Many-fermion simulation from the contracted quantum eigensolver without fermionic encoding of the wave function
Scott E. Smart, D. Mazziotti·May 3, 2022
Quantum computers potentially have an exponential advantage over classical computers for the quantum simulation of many-fermion quantum systems. Nonetheless, fermions are more expensive to simulate than bosons due to the fermionic encoding -- a mappi...
Quantum Robustness Verification: A Hybrid Quantum-Classical Neural Network Certification Algorithm
Nicola Franco, Tom Wollschlager, Nicholas Gao +2 more·May 2, 2022
In recent years, quantum computers and algorithms have made significant progress indicating the prospective importance of quantum computing (QC). Especially combinatorial optimization has gained a lot of attention as an application field for near-ter...
On the importance of scalability and resource estimation of quantum algorithms for domain sciences
V. Pascuzzi, N. Bao, A. Li·May 2, 2022
—The quantum information science community has seen a surge in new algorithmic developments across scientific domains. These developments have demonstrated polynomial or better improvements in computational and space complexity, incentivizing further ...
A near-term quantum algorithm for solving linear systems of equations based on the Woodbury identity
Daniel O’Malley, Jessie M. Henderson, Elijah Pelofske +5 more·May 2, 2022
Quantum algorithms for solving linear systems of equations have generated excitement because of the potential speed-ups involved and the importance of solving linear equations in many applications. However, applying these algorithms can be challengin...
Lifetime-Based Optimization for Simulating Quantum Circuits on a New Sunway Supercomputer
Yaojian Chen, Yong Liu, X. Shi +8 more·May 1, 2022
High-performance classical simulator for quantum circuits, in particular the tensor network contraction algorithm, has become an important tool for the validation of noisy quantum computing. In order to address the memory limitations, the slicing tec...
Quantum image edge detection based on eight-direction Sobel operator for NEQR
Wenjie Liu, Lu Wang·May 1, 2022
Quantum Sobel edge detection (QSED) is a kind of algorithm for image edge detection using quantum mechanism, which can solve the real-time problem encountered by classical algorithms. However, the existing QSED algorithms only consider two- or four-d...
A Scalable 5, 6-Qubit Grover's Quantum Search Algorithm
Dinesh Reddy Vemula, Debanjan Konar, Sudeep Satheesan +2 more·Apr 30, 2022
—Recent studies have been spurred on by the promise of advanced quantum computing technology, which has led to the development of quantum computer simulations on classical hardware. Grover’s quantum search algorithm is one of the well-known applicati...
Symbolic Synthesis of Clifford Circuits and Beyond
M. Amy, Owen Bennett-Gibbs, N. J. Ross·Apr 29, 2022
Path sums are a convenient symbolic formalism for quantum operations with applications to the simulation, optimization, and verification of quantum protocols. Unlike quantum circuits, path sums are not limited to unitary operations, but can express a...
Quantum Computing for Power Flow Algorithms: Testing on real Quantum Computers
Brynjar Sævarsson, Spyros Chatzivasileiadis, H. Jóhannsson +1 more·Apr 29, 2022
Quantum computing has the potential to solve many computational problems exponentially faster than classical computers. The high shares of renewables and the wide deployment of converter-interfaced resources require new tools that shall drastically a...
FABLE: Fast Approximate Quantum Circuits for Block-Encodings
Daan Camps, R. Beeumen·Apr 29, 2022
Block-encodings of matrices have become an essential element of quantum algorithms derived from the quantum singular value transformation. This includes a variety of algorithms ranging from the quantum linear systems problem to quantum walk, Hamilton...
Propagation of errors and quantitative quantum simulation with quantum advantage
S. Flannigan, N. Pearson, Guang Hao Low +5 more·Apr 28, 2022
The rapid development in hardware for quantum computing and simulation has led to much interest in problems where these devices can exceed the capabilities of existing classical computers and known methods. Approaching this for problems that go beyon...
Quantum error mitigation by hidden inverses protocol in superconducting quantum devices
Vicente Leyton-Ortega, Swarnadeep Majumder, R. Pooser·Apr 26, 2022
We present a method to improve the convergence of variational algorithms based on hidden inverses (HIs) to mitigate coherent errors. In the context of error mitigation, this means replacing the hardware implementation of certain Hermitian gates with ...
Universal compilation for quantum state preparation and tomography
V. Hai, Le Bin Ho·Apr 25, 2022
Universal compilation is a training process that compiles a trainable unitary into a target unitary and it serves vast potential applications from quantum dynamic simulations to optimal circuits with deep-compressing, device benchmarking, quantum err...
Simulating key properties of lithium-ion batteries with a fault-tolerant quantum computer
A. Delgado, Pablo Antonio Moreno Casares, R. D. Reis +9 more·Apr 25, 2022
There is a pressing need to develop new rechargeable battery technologies that can offer higher energy storage, faster charging, and lower costs. Despite the success of existing methods for the simulation of battery materials, they can sometimes fall...
Quantum polar stabilizer codes based on polarization of pure quantum channel don't work for quantum computing
Zhengzhong Yi, Z.-H. Liang, Yulin Wu +1 more·Apr 25, 2022
Inspired by classical polar codes, whose coding rate can asymptotically achieve the Shannon capacity, researchers are trying to find its analogue in quantum information field, which are called quantum polar codes. However, no one has designed a quant...
Travel time optimization on multi-AGV routing by reverse annealing
Renichiro Haba, Masayuki Ohzeki, Kazuyuki Tanaka·Apr 25, 2022
Quantum annealing has been actively researched since D-Wave Systems produced the first commercial machine in 2011. Controlling a large fleet of automated guided vehicles is one of the real-world applications utilizing quantum annealing. In this study...
Dynamical simulation via quantum machine learning with provable generalization
J. Gibbs, Zoe Holmes, Matthias C. Caro +5 more·Apr 21, 2022
Much attention has been paid to dynamical simulation and quantum machine learning (QML) independently as applications for quantum advantage, while the possibility of using QML to enhance dynamical simulations has not been thoroughly investigated. Her...
Quantum-Walk-Inspired Dynamic Adiabatic Local Search
Chen-Fu Chiang, P. Alsing·Apr 21, 2022
We investigate the irreconcilability issue that arises when translating the search algorithm from the Continuous Time Quantum Walk (CTQW) framework to the Adiabatic Quantum Computing (AQC) framework. For the AQC formulation to evolve along the same p...
A Structured Survey of Quantum Computing for the Financial Industry
F. D. Albareti, Thomas Ankenbrand, Denis Bieri +4 more·Apr 21, 2022
—Quantum computers can solve specific problems that are not feasible on "classical" hardware. Harvesting the speed-up provided by quantum computers therefore has the potential to change any industry which uses computation, including finance. First quan...
Volumetric Benchmarking of Error Mitigation with Qermit
Cristina Cîrstoiu, Silas Dilkes, Daniel Mills +2 more·Apr 20, 2022
The detrimental effect of noise accumulates as quantum computers grow in size. In the case where devices are too small or noisy to perform error correction, error mitigation may be used. Error mitigation does not increase the fidelity of quantum stat...