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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  • Not peer reviewed

Researchers propose unified model to cut quantum computing communication costs

Original title: UNIQ: Communication-Efficient Distributed Quantum Computing via Unified Nonlinear Integer Programming

A preprint proposes UNIQ, a unified model that jointly optimises qubit allocation, entanglement and scheduling to reduce distributed quantum computing communication costs.

Hui Zhong et al. · Added

  • Preprint
  • Not peer reviewed

Researchers test quantum Markov chain Monte Carlo on trapped-ion hardware

Original title: Experimental Realization of the Markov Chain Monte Carlo Algorithm on a Quantum Computer

A preprint reports running a quantum Markov chain Monte Carlo algorithm on Quantinuum hardware, using both physical and error-detected logical qubits.

Baptiste Claudon et al. · Added

  • Preprint
  • Not peer reviewed
  • From Quantum Motion

Researchers report erasure-based QEC scheme for shuttled silicon spin qubits

Original title: Erasure conversion for singlet-triplet spin qubits enables high-performance shuttling-based quantum error correction

A preprint proposes using singlet-triplet spin qubits as erasure qubits to boost error correction thresholds in shuttling-based silicon quantum computers.

Added · Released Jan 2026

  • Journal article
  • Peer reviewed
  • From ARQUE Systems

Study maps how spin-qubit shuttling errors affect surface-code thresholds

Original title: Performance of the spin qubit shuttling architecture for a surface code implementation

The study models how shuttling errors in a spin-qubit bus architecture affect surface-code error-correction thresholds and qubit overhead.

Added

  • Journal article
  • Peer reviewed

Hole spin qubit shows microwave photons, not noise, limit its coherence

Original title: Coherence of a hole spin flopping-mode qubit in a circuit quantum electrodynamics environment

Researchers report that a silicon hole spin flopping-mode qubit's coherence is mainly limited by photon effects rather than typical spin noise sources.

Léo Noirot et al. · Added · Released May 2026

  • Journal article
  • Review status unknown

Researchers report titanium layer cuts loss in tantalum qubit resonators

Original title: Reducing TLS loss in tantalum CPW resonators using titanium sacrificial layers

A journal study reports that an ultrathin titanium sacrificial layer sharply lowers two-level-system loss in tantalum superconducting resonators.

Zachary Degnan et al. · Added · Released Jan 2026