Quantum supremacy using a programmable superconducting processor
@article{Arute2019QuantumSU, title={Quantum supremacy using a programmable superconducting processor}, author={Frank Arute and Kunal Arya and Ryan Babbush and Dave Bacon and Joseph C. Bardin and Rami Barends and Rupak Biswas and Sergio Boixo and Fernando G. S. L. Brand{\~a}o and David A. Buell and Brian Burkett and Yu Chen and Zijun Chen and Benjamin Chiaro and Roberto Collins and William Courtney and Andrew Dunsworth and Edward Farhi and Brooks Foxen and Austin G. Fowler and Craig Gidney and Marissa Giustina and Rob Graff and Keith Guerin and S. Habegger and Matthew P. Harrigan and Michael J. Hartmann and Alan K. Ho and Markus Hoffmann and Trent Huang and T. Humble and Sergei V. Isakov and Evan Jeffrey and Zhang Jiang and Dvir Kafri and Kostyantyn Kechedzhi and Julian Kelly and Paul V. Klimov and Sergey Knysh and Alexander N. Korotkov and Fedor Kostritsa and David Landhuis and Mike Lindmark and Erik Lucero and Dmitry I. Lyakh and Salvatore Mandr{\`a} and Jarrod R. McClean and Matthew J. McEwen and Anthony Megrant and Xiao Mi and Kristel Michielsen and Masoud Mohseni and Josh Mutus and Ofer Naaman and Matthew Neeley and Charles J. Neill and Murphy Yuezhen Niu and Eric P. Ostby and Andre Petukhov and John C. Platt and Chris Quintana and Eleanor Gilbert Rieffel and Pedram Roushan and Nicholas C. Rubin and Daniel Thomas Sank and Kevin J. Satzinger and Vadim N. Smelyanskiy and Kevin J Sung and Matthew D Trevithick and Amit Vainsencher and Benjamin Villalonga and Theodore White and Z Jamie Yao and Ping Yeh and Adam Zalcman and Hartmut Neven and John M. Martinis}, journal={Nature}, year={2019}, volume={574}, pages={505 - 510}, url={https://api.semanticscholar.org/CorpusID:204836822} }
Quantum supremacy is demonstrated using a programmable superconducting processor known as Sycamore, taking approximately 200 seconds to sample one instance of a quantum circuit a million times, which would take a state-of-the-art supercomputer around ten thousand years to compute.
Topics
Quantum Supremacy (opens in a new tab)Sycamore Processor (opens in a new tab)Quantum Processor (opens in a new tab)Classical Supercomputer (opens in a new tab)Superconducting Qubits (opens in a new tab)Cross-entropy Benchmarking (opens in a new tab)Noisy Intermediate-Scale Quantum (opens in a new tab)Quantum Circuits (opens in a new tab)Transmon Qubits (opens in a new tab)Classical Simulation (opens in a new tab)
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131 References
Demonstration of two-qubit algorithms with a superconducting quantum processor
- 2009
Physics, Engineering
A two-qubit superconducting processor and the implementation of the Grover search and Deutsch–Jozsa quantum algorithms are demonstrated and the generation of highly entangled states with concurrence up to 94 per cent is allowed.
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- 2018
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How many qubits are needed for quantum computational supremacy?
- 2020
Physics, Computer Science
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A blueprint for demonstrating quantum supremacy with superconducting qubits
- 2018
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Nine superconducting qubits are used to demonstrate a promising path toward quantum supremacy and the scaling of errors and output with the number of qubits is explored in a five- to nine-qubit device.
Massively parallel quantum computer simulator, eleven years later
- 2019
Physics, Computer Science
Breaking the 49-Qubit Barrier in the Simulation of Quantum Circuits
- 2017
Physics, Computer Science
This study presents a new approach for this task that extends the boundaries of what can be computed on a classical system, and shows that it can simulate $7 \times 7$-qubit random circuits to arbitrary depth by leveraging secondary storage.
Quantum Supremacy Is Both Closer and Farther than It Appears
- 2018
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A massively-parallel simulation tool Rollright is developed that does not require inter-process communication (IPC) or proprietary hardware, and two ways to trade circuit fidelity for computational speedups are developed, so as to match the fidelity of a given quantum computer --- a task previously thought impossible.
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- 2020
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Can Chaotic Quantum Circuits Maintain Quantum Supremacy under Noise
- 2017
Physics, Computer Science
This work shows that, for a family of chaotic quantum circuits subject to Pauli errors, there exists an non-exponential classical algorithm capable of simulating the noisy chaotic quantum circuit with bounded errors.
A path towards quantum supremacy with superconducting qubits
- 2017
Physics, Computer Science
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