no code implementations • 8 Mar 2021 • Christophe Piveteau, David Sutter, Sergey Bravyi, Jay M. Gambetta, Kristan Temme
The Eastin-Knill theorem states that no quantum error correcting code can have a universal set of transversal gates.
Quantum Physics
no code implementations • 17 Dec 2020 • Ewout van den Berg, Zlatko K. Minev, Kristan Temme
Here, we propose a very simple method that forces the bias in the expectation value to appear as a multiplicative factor that can be measured directly and removed at the cost of an increase in the sampling complexity for the observable.
Quantum Physics
1 code implementation • 5 Oct 2020 • Yunchao Liu, Srinivasan Arunachalam, Kristan Temme
Over the past few years several quantum machine learning algorithms were proposed that promise quantum speed-ups over their classical counterparts.
1 code implementation • 30 Apr 2018 • Vojtech Havlicek, Antonio D. Córcoles, Kristan Temme, Aram W. Harrow, Abhinav Kandala, Jerry M. Chow, Jay M. Gambetta
Both methods represent the feature space of a classification problem by a quantum state, taking advantage of the large dimensionality of quantum Hilbert space to obtain an enhanced solution.
1 code implementation • 17 Apr 2017 • Abhinav Kandala, Antonio Mezzacapo, Kristan Temme, Maika Takita, Markus Brink, Jerry M. Chow, Jay M. Gambetta
Quantum computers can be used to address molecular structure, materials science and condensed matter physics problems, which currently stretch the limits of existing high-performance computing resources.
Quantum Physics Superconductivity
1 code implementation • 27 Jan 2017 • Sergey Bravyi, Jay M. Gambetta, Antonio Mezzacapo, Kristan Temme
Such encodings eliminate redundant degrees of freedom in a way that preserves a simple structure of the system Hamiltonian enabling quantum simulations with fewer qubits.
Quantum Physics