Scalable distributed gate-model quantum computers
@article{Gyongyosi2021ScalableDG, title={Scalable distributed gate-model quantum computers}, author={Laszlo Gyongyosi and S{\'a}ndor Imre}, journal={Scientific Reports}, year={2021}, volume={11} }
A scalable model for a distributed quantum computation is a challenging problem due to the complexity of the problem space provided by the diversity of possible quantum systems, from small-scale quantum devices to large-scale quantum computers. Here, we define a model of scalable distributed gate-model quantum computation in near-term quantum systems of the NISQ (noisy intermediate scale quantum) technology era. We prove that the proposed architecture can maximize an objective function of a…
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References
SHOWING 1-10 OF 201 REFERENCES
Circuit Depth Reduction for Gate-Model Quantum Computers
- Computer Science, PhysicsScientific Reports
- 2020
The complexity of the quantum algorithm and the achievable reduction in circuit depth are proved and the method provides a tractable solution to reduce the time complexity and physical layer costs of quantum computers.
Unsupervised Quantum Gate Control for Gate-Model Quantum Computers
- Physics, Computer ScienceScientific Reports
- 2020
A method for the unsupervised control of quantum gates in near-term quantum computers is defined and it is proved that the non-stable quantum gate becomes controllable via a machine learning method if the quantum gates formulate an entangled gate structure.
State stabilization for gate-model quantum computers
- Physics, Computer ScienceQuantum Inf. Process.
- 2019
A method for the stabilization of an optimal quantum state of a quantum computer through an arbitrary number of running sequences and a procedure to classify the stabilized quantum states of the quantum computer into stability classes are proposed.
Quantum Computing in the NISQ era and beyond
- PhysicsQuantum
- 2018
Noisy Intermediate-Scale Quantum (NISQ) technology will be available in the near future, and the 100-qubit quantum computer will not change the world right away - but it should be regarded as a significant step toward the more powerful quantum technologies of the future.
Quantum computational supremacy
- Computer Science, PhysicsNature
- 2017
This work presents the leading proposals to achieve quantum supremacy, and discusses how to reliably compare the power of a classical computer to thePower of a quantum computer.
Functional Quantum Nodes for Entanglement Distribution over Scalable Quantum Networks
- Physics, Computer ScienceScience
- 2007
The demonstrated quantum nodes and channels can be used as segments of a quantum repeater, providing an essential tool for robust long-distance quantum communication.
Quantum circuit design for objective function maximization in gate-model quantum computers
- Computer Science, PhysicsQuantum Inf. Process.
- 2019
A method for designing quantum circuits for gate-model quantum computers and the aim of QTAM is to determine an optimal reduced topology for the quantum circuits in the hardware layer at the maximization of the objective function of an arbitrary computational problem are demonstrated.
Quantum Repeaters: The Role of Imperfect Local Operations in Quantum Communication
- Computer Science
- 1998
This work presents a scheme of a quantum repeater that connects a string of (imperfect) entangled pairs of particles by using a novel nested purification protocol, thereby creating a single distant pair of high fidelity.
A Survey on Quantum Channel Capacities
- PhysicsIEEE Communications Surveys & Tutorials
- 2018
The properties of the quantum communication channel, the various capacity measures and the fundamental differences between the classical and quantum channels are reviewed.