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Quantum Computing research

Quantum computing foundations, algorithms and programming, error correction and hardware, post-quantum security, and where the industry stands.

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523 entries

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  • Preprint
  • Not peer reviewed
  • From IBM

Researchers report faster transpiler for linking superconducting quantum chips

Original title: Scalable Transpilation for Overcoming Restricted Connectivity in Distributed Superconducting Quantum Architectures

A preprint proposes a scalable transpilation method for distributed superconducting quantum processors with restricted connectivity.

Added

  • Preprint
  • Not peer reviewed
  • From Ephos

Researchers run qubit-efficient quantum DFT for LiH on a photonic chip

Original title: Quantum Simulation of Electronic Structure using Quantum Density Functional Theory on a Programmable Integrated Photonic Circuit

A preprint reports an experimental photonic simulation of lithium hydride using a qubit-efficient quantum DFT method, though noise limited accuracy.

Added

  • Journal article
  • Review status unknown
  • From QSpace Technologies

New security analysis handles large detector mismatch in satellite quantum key distribution

Original title: Security of quantum key distribution with passive basis choice and detection-efficiency mismatch for a realistic satellite setup

Researchers develop a security proof for BB84 with passive basis choice that works even with large detection-efficiency mismatch, applied to a satellite link.

Added

  • Preprint
  • Not peer reviewed

Preprint reports phase-cycling method to clean up decoherence measurements in qubits

Original title: Scalable quantum error mitigation for dynamical decoupling via Hadamard phase cycling

A preprint describes a scalable error-mitigation technique that the authors say removes control-error artefacts from decoherence time measurements across several qubit platforms.

Weibin Ni et al. · Added

  • Preprint
  • Not peer reviewed

Preprint proposes Simon’s algorithm handshake to verify quantum network nodes

Original title: Secure Quantum Handshakes: Quantum Network Verification Via Simon's Algorithm

A preprint describes a protocol that uses Simon's algorithm to check whether a device joining a quantum network is genuinely quantum and sufficiently noise-free.

Reece Robertson et al. · Added