Search Results for author: Simon C. Benjamin

Found 6 papers, 4 papers with code

Variational Quantum Algorithms

1 code implementation16 Dec 2020 M. Cerezo, Andrew Arrasmith, Ryan Babbush, Simon C. Benjamin, Suguru Endo, Keisuke Fujii, Jarrod R. McClean, Kosuke Mitarai, Xiao Yuan, Lukasz Cincio, Patrick J. Coles

Applications such as simulating complicated quantum systems or solving large-scale linear algebra problems are very challenging for classical computers due to the extremely high computational cost.

Quantum Analytic Descent

1 code implementation31 Aug 2020 Bálint Koczor, Simon C. Benjamin

Variational algorithms have particular relevance for near-term quantum computers but require non-trivial parameter optimisations.

Quantum Physics

Variational-State Quantum Metrology

1 code implementation23 Aug 2019 Bálint Koczor, Suguru Endo, Tyson Jones, Yuichiro Matsuzaki, Simon C. Benjamin

We present a novel approach for finding (near) optimal states for metrology in the presence of noise, using variational techniques as a tool for efficiently searching the classically intractable high-dimensional space of quantum states.

Quantum Physics

A high threshold code for modular hardware with asymmetric noise

no code implementations4 Dec 2018 Xiaosi Xu, Qi Zhao, Xiao Yuan, Simon C. Benjamin

We consider an approach to fault tolerant quantum computing based on a simple error detecting code operating as the substrate for a conventional surface code.

Quantum Physics

Robust quantum compilation and circuit optimisation via energy minimisation

2 code implementations7 Nov 2018 Tyson Jones, Simon C. Benjamin

We explore a method for automatically recompiling a quantum circuit A into a target circuit B, with the goal that both circuits have the same action on a specific input i. e. B|in> = A|in>.

Quantum Physics

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