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 …
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 …
Quantum-centric supercomputing for materials science: A perspective on challenges and future directions
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 …
of novel materials. Computationally hard tasks in materials science stretch the limits of …
Fundamental limits of quantum error mitigation
The inevitable accumulation of errors in near-future quantum devices represents a key
obstacle in delivering practical quantum advantages, motivating the development of various …
obstacle in delivering practical quantum advantages, motivating the development of various …
Triply efficient shadow tomography
Given copies of a quantum state ρ, a shadow tomography protocol aims to learn all
expectation values from a fixed set of observables, to within a given precision ε. We say that …
expectation values from a fixed set of observables, to within a given precision ε. We say that …
Universal sampling lower bounds for quantum error mitigation
Numerous quantum error-mitigation protocols have been proposed, motivated by the critical
need to suppress noise effects on intermediate-scale quantum devices. Yet, their general …
need to suppress noise effects on intermediate-scale quantum devices. Yet, their general …
Quantum chemistry simulation of ground-and excited-state properties of the sulfonium cation on a superconducting quantum processor
The computational description of correlated electronic structure, and particularly of excited
states of many-electron systems, is an anticipated application for quantum devices. An …
states of many-electron systems, is an anticipated application for quantum devices. An …
Exact and efficient Lanczos method on a quantum computer
We present an algorithm that uses block encoding on a quantum computer to exactly
construct a Krylov space, which can be used as the basis for the Lanczos method to estimate …
construct a Krylov space, which can be used as the basis for the Lanczos method to estimate …
Universal cost bound of quantum error mitigation based on quantum estimation theory
We present a unified approach to analyzing the cost of various quantum error mitigation
methods on the basis of quantum estimation theory. By analyzing the quantum Fisher …
methods on the basis of quantum estimation theory. By analyzing the quantum Fisher …
Error-mitigated quantum metrology via virtual purification
Quantum metrology with entangled resources aims to achieve sensitivity beyond the
standard quantum limit by harnessing quantum effects even in the presence of …
standard quantum limit by harnessing quantum effects even in the presence of …