Variational quantum algorithms
Applications such as simulating complicated quantum systems or solving large-scale linear
algebra problems are very challenging for classical computers, owing to the extremely high …
algebra problems are very challenging for classical computers, owing to the extremely high …
[HTML][HTML] The variational quantum eigensolver: a review of methods and best practices
The variational quantum eigensolver (or VQE), first developed by Peruzzo et al.(2014), has
received significant attention from the research community in recent years. It uses the …
received significant attention from the research community in recent years. It uses the …
Quantum error mitigation
For quantum computers to successfully solve real-world problems, it is necessary to tackle
the challenge of noise: the errors that occur in elementary physical components due to …
the challenge of noise: the errors that occur in elementary physical components due to …
Scalable error mitigation for noisy quantum circuits produces competitive expectation values
Noise in existing quantum processors only enables an approximation to ideal quantum
computation. However, for the computation of expectation values, these approximations can …
computation. However, for the computation of expectation values, these approximations can …
Exponentially tighter bounds on limitations of quantum error mitigation
Quantum error mitigation has been proposed as a means to combat unwanted and
unavoidable errors in near-term quantum computing without the heavy resource overheads …
unavoidable errors in near-term quantum computing without the heavy resource overheads …
Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation
Quantum computing is a game-changing technology for global academia, research centers
and industries including computational science, mathematics, finance, pharmaceutical …
and industries including computational science, mathematics, finance, pharmaceutical …
[HTML][HTML] Error mitigation with Clifford quantum-circuit data
Achieving near-term quantum advantage will require accurate estimation of quantum
observables despite significant hardware noise. For this purpose, we propose a novel …
observables despite significant hardware noise. For this purpose, we propose a novel …
Self-mitigating Trotter circuits for SU (2) lattice gauge theory on a quantum computer
Quantum computers offer the possibility to implement lattice gauge theory in Minkowski
rather than Euclidean spacetime, thus allowing calculations of processes that evolve in real …
rather than Euclidean spacetime, thus allowing calculations of processes that evolve in real …
Model-free readout-error mitigation for quantum expectation values
Measurements on current quantum processors are subject to hardware imperfections that
lead to readout errors. These errors manifest themselves as a bias in quantum expectation …
lead to readout errors. These errors manifest themselves as a bias in quantum expectation …
Mitiq: A software package for error mitigation on noisy quantum computers
We introduce Mitiq, a Python package for error mitigation on noisy quantum computers. Error
mitigation techniques can reduce the impact of noise on near-term quantum computers with …
mitigation techniques can reduce the impact of noise on near-term quantum computers with …