CAPACITIVE COUPLING FOR FLUX QUBITS

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Title
CAPACITIVE COUPLING FOR FLUX QUBITS
CoPED ID
76bef21e-04db-4f93-91f8-b849c0e7a8f7
Status
Active
Funders
EPSRC
EPSRC
Value
No funds listed.
Start Date
Nov. 1, 2019
End Date
Oct. 30, 2023
Description

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Current quantum annealers based on flux qubits feature only inductive coupling, resulting in a ZZ interaction (where Z is the computational basis). For future quantum annealers to solve problems which are out of the reach of the classical quantum Monte Carlo algorithm, qualitatively different interactions are additionally required. One such interaction is the YY interaction which can be implemented by capacitive coupling between the charge degree of freedom for flux qubits. We will design, fabricate and characterise a voltage-tuneable non-linear capacitive coupler for flux qubits based on the single Cooper-pair transistor.

Paul Warburton SUPER_PER
Henry Chew STUDENT_PER

Subjects by relevance
  1. Interaction
  2. Physics
  3. Quantum computing
  4. Quantum computers
  5. Quantum physics
  6. Quantum mechanics

Extracted key phrases
  1. Current quantum annealer
  2. Future quantum annealer
  3. Classical quantum Monte Carlo algorithm
  4. Flux qubit
  5. CAPACITIVE COUPLING
  6. ZZ interaction
  7. Different interaction
  8. Linear capacitive coupler
  9. Inductive coupling
  10. Computational basis
  11. Charge degree
  12. Tuneable non
  13. Single Cooper

Related Pages

UKRI project entry

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