Computational models are an essential tool for the design, characterization, and discovery
of novel materials. Computationally hard tasks in materials science stretch the limits of …

The promise of quantum computers is that certain computational tasks might be executed
exponentially faster on a quantum processor than on a classical processor. A fundamental …

Abstract Noisy Intermediate-Scale Quantum (NISQ) technology will be available in the near
future. Quantum computers with 50-100 qubits may be able to perform tasks which surpass …

Today's experimental noisy quantum processors can compete with and surpass all known
algorithms on state-of-the-art supercomputers for the computational benchmark task of …

Quantum computing has rapidly advanced in recent years due to substantial development in
both hardware and algorithms. These advances are carrying quantum computers closer to …

With quantum computers of significant size now on the horizon, we should understand how
to best exploit their initially limited abilities. To this end, we aim to identify a practical problem …

A critical question for quantum computing in the near future is whether quantum devices
without error correction can perform a well-defined computational task beyond the …

Recent work has explored using the stabilizer formalism to classically simulate quantum
circuits containing a few non-Clifford gates. The computational cost of such methods is …

We develop a high-performance tensor-based simulator for random quantum circuits
(RQCs) on the new Sunway supercomputer. Our major innovations include:(1) a near …

Abstract We introduce QuEST, the Quantum Exact Simulation Toolkit, and compare it to
ProjectQ, qHipster and a recent distributed implementation of Quantum++. QuEST is the first …