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ANNEALING-BASED VARIATIONAL QUANTUM PROCESSORS

Project description

Quantum processing is simpler and easier to implement with quantum annealers

The path to building a quantum computer is taking shape. The state of the quantum bit, or qubit, analogous to conventional digital bits can have a state of either 0 or 1, or uniquely to qubits, both at the same time, must be controlled long enough to be written, manipulated and read. Furthermore, quantum error correction is required. Tremendous progress has been made and superconducting qubits are now leading candidates to form the basis of error-corrected quantum computers. However, error correction has a tremendous qubit hardware overhead. This issue may be bypassed with quantum annealing, which removes the requirement of error correction for certain important applications. The EU-funded AVaQus project is developing the technology to demonstrate a fully functional small-scale quantum processor based on quantum annealing and superconducting qubits that could lead to big advantages over current approaches.

Objective

Quantum annealers are devices that prepare the ground state of complex many-body quantum models. These quantum processors have a large transformative power -they can solve real-life problems of interest: scheduling, navigation, quantum chemistry, and many others-, and important technological advantages over universal quantum computers -no need for error correction nor accurate gate operations- that make such processors potentially simpler to design, build, and control. The goal of this consortium is to beat the limitations of current annealing devices regarding heating, noise and dephasing by building and operating a coherent quantum annealer based on superconducting qubits with high connectivity, tuneable interactions and long coherence times. The radical vision in AVaQus is to demonstrate the capacity of quantum annealers to act as general-purpose quantum simulators of spin models and non-universal quantum computers for variational algorithms. Our proposal banks on the progress of superconducting quantum technology and on well-developed superconducting qubit circuitry. However, unlike quantum computing, coherent quantum annealers are in earlier stages of development and this project represents a ramp-up effort to develop the core technology -qubits, tuneable couplings, layouts, controls- and ideas for sustainable scalability. Consequent with this vision, AVaQus brings together excellent European research groups and small to medium-sized enterprises, under the common goal of developing an integrated, small-size and fully-functional quantum processor that demonstrates coherent quantum annealing with 5 qubits fully connected in a multi-coupler network. We will also develop comprehensive real-life optimization problems and simulations in quantum chemistry, spin models and finance that are solved by our small-scale quantum annealer, create methods for validation and certification, and provide a route towards achieving a quantum advantage in larger-scale devices.

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

RIA - Research and Innovation action

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Call for proposal

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(opens in new window) H2020-FETOPEN-2018-2020

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Coordinator

INSTITUTO DE FISICA DE ALTAS ENERGIAS
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 580 000,00
Address
CAMPUS DE BELLATERRA - UNIVERSIDAD AUTONOMA DE BARCELONA
08193 Cerdanyola Del Valles
Spain

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Region
Este Cataluña Barcelona
Activity type
Research Organisations
Links
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 580 000,00

Participants (7)

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