Quantum Computing research · Research Watch · Page 7

Preprint
Not peer reviewed

Preprint reports trainable quantum kernels matching classical ones across eight datasets

Original title: A Versatile Variational Quantum Kernel Framework for Non-Trivial Classification

A preprint describes a variational quantum kernel framework that the authors say rivals classical kernels on tabular, image, time series and graph data.

Jiang Yuhan et al. · Added 5 Nov 2026

Preprint
Not peer reviewed
From NVIDIA, QMatter, Evotec UK, IQM

Preprint reports quantum-classical simulation of a receptor’s self-cleavage in a membrane

Original title: Multiscale Quantum-Classical Simulation of Protein Autoproteolysis in a Million-Atom Membrane Environment

A preprint describes a hybrid quantum-classical workflow modelling how a receptor protein cleaves itself within a realistic, million-atom membrane environment.

Added 5 Nov 2026

Preprint
Not peer reviewed

A preprint proposes a new time-bin encoding for swapping photon qubit information

Original title: Parity-Based Time-Bin Encoding Enabling SWAP Between Polarization and Time-Bin Qubits

Researchers describe a parity-based time-bin encoding that lets polarisation and time-bin qubits on a single photon be swapped using standard optics.

Adam Sultan et al. · Added 5 Nov 2026

Preprint
Not peer reviewed

Researchers report faster quantum algorithms for estimating Rényi entropy

Original title: Improved Quantum Algorithms for Rényi Entropies Estimation

A preprint presents quantum algorithms that cut the number of queries needed to estimate Rényi entropy of a distribution.

Zongxing Xiong et al. · Added 5 Nov 2026

Preprint
Not peer reviewed

Researchers report digital quantum simulation of Schwinger model under strong electric field

Original title: Digital Quantum Simulation of Nonequilibrium Dynamics in the Schwinger Model under a Strong External Electric Field

A preprint tests whether VQE plus Trotter evolution can reproduce strong-field Schwinger model dynamics seen in exact diagonalisation.

Haobin Chen et al. · Added 4 Nov 2026

Preprint
Not peer reviewed

Hybrid quantum-classical method tackles Fermi-Hubbard ground states without feedback loop

Original title: Explicitly correlated ground states with a feedback-free variational hybrid algorithm

A preprint reports a feedback-free hybrid algorithm that prepares momentum-space states on a quantum processor and optimises correlations classically afterwards.

Benjamin Corbett et al. · Added 4 Nov 2026

Preprint
Not peer reviewed

Researchers quantify when data re-uploading helps amplitude-embedded quantum models

Original title: A Tutorial on Quantum Amplitude Embedding with Data Re-Uploading

A preprint explains how repeating data uploads boosts amplitude-embedded quantum models, but only for higher-order targets.

Hyojun Ahn et al. · Added 4 Nov 2026

Preprint
Not peer reviewed

Preprint proposes Grover search for a threshold-based variant of the travelling salesman problem

Original title: Grover Search for a Threshold-Fraction Variant of the Travelling Salesman Problem: A Circuit-Level Construction

A preprint reports that Grover's algorithm can check a robustness-based version of the TSP with query counts independent of city count.

Aayra Dhindsa Sawkmie · Added 4 Nov 2026

Preprint
Not peer reviewed

Preprint explores reinforcement learning for controlling nuclear spin qubits via noisy bath

Original title: Quantum control of solid state qubits via Reinforcement Learning

A preprint reports simulation-based tests of model-free reinforcement learning to control NV-centre nuclear spins through a noisy spin-bath.

Dennis Herb et al. · Added 4 Nov 2026

Conference paper
Review status unknown

Researchers test how temperature affects a warm-vapour quantum memory for repeaters

Original title: Temperature dependence of a warm ensemble based memory on quantum communication rates

A conference paper measures how temperature and optical depth shape a warm-vapour quantum memory's performance in simulated repeater networks.

Kenny Gregory et al. · Added 4 Nov 2026 · Released Aug 2025

Preprint
Not peer reviewed

Researchers report resolving a deconfined critical point on IBM quantum hardware

Original title: Probing Deconfined Quantum Criticality Point on a Digital Quantum Computer

A preprint describes using an IBM quantum processor to track a Landau-forbidden transition in a small spin chain.

Mrinal Kanti Giri et al. · Added 4 Nov 2026

Preprint
Not peer reviewed

A preprint proposes a Cayley-transform access model for quantum matrix functions

Original title: Cayley access models for matrix functions: reachable class and cost

A preprint examines whether a Cayley-transform encoding can cut the cost of computing matrix functions on quantum computers.

Gianna M. Del Corso · Added 4 Nov 2026

Preprint
Not peer reviewed

Researchers report quantum algorithm for simulating damped oscillator networks with memory

Original title: Quantum Simulation of Dissipative Non-Markovian Coupled Classical Oscillators

A preprint describes a quantum algorithm for simulating classical oscillator networks with memory-dependent damping and time-varying materials.

Malte Schade et al. · Added 4 Nov 2026

Preprint
Not peer reviewed

Preprint tests runtime policies for decomposable quantum search on real hardware

Original title: SemQBench: Benchmarking Decomposition-Aware Runtime Policies for Quantum-HPC Search

A preprint benchmarks seven quantum-HPC runtime policies, finding that exposing search sub-components beats whole-circuit amplification on real hardware.

Chandrachud Pati et al. · Added 4 Nov 2026

Preprint
Not peer reviewed
From Google

Researchers report AI agents can exploit verifiable circuit structure to compile quantum algorithms

Original title: Leveraging verifiable structure in quantum circuits to find more efficient compilations with agentic AI

A preprint reports using AI coding agents with classically checkable circuit structure to speed up compilation of three quantum computing benchmarks.

Added 4 Nov 2026

Preprint
Not peer reviewed

Preprint proposes a quantum framework for synchronisation-driven thermodynamic devices

Original title: Quantum limit cycles from phase coupling: A framework for NISQ thermodynamic devices

A preprint outlines a theoretical framework coupling qubits to phase oscillators to generate stable quantum limit cycles for potential nanoscale devices.

Nana Siddhartha · Added 4 Nov 2026

Preprint
Not peer reviewed

Researchers report first trapped-ion version of a tunable quantum SWAP gate

Original title: Exponential-SWAP gate between bosonic motional modes of trapped ions

A preprint reports an experimental realisation of the exponential-SWAP gate between bosonic motional modes in trapped ions.

E. J. W. Koh et al. · Added 4 Nov 2026

Preprint
Not peer reviewed

Active beam stabilisation lifts free-space QKD key rate over 2 km link

Original title: Quantum key distribution over a 2 km free-space channel with a high secure key rate

A preprint reports that active beam-wander correction more than doubled the secure key rate of a 2 km free-space quantum key distribution link.

Kyungdeuk Park et al. · Added 4 Nov 2026

Preprint
Not peer reviewed
From Emergence Quantum

Researchers report a cheap muon tagger for millikelvin quantum hardware

Original title: A low-cost compact muon detector for millikelvin operation

A preprint describes a low-cost scintillator and SiPM muon detector built to tag cosmic-ray hits inside dilution refrigerators housing quantum devices.

Added 4 Nov 2026

Preprint
Not peer reviewed

Researchers report quantum teleportation signature in a sparse chaotic SYK simulation

Original title: Quantum simulation of traversable-wormhole-inspired quantum teleportation in a chaotic binary sparse SYK model

A preprint reports a hardware test of wormhole-inspired teleportation using a hardware-efficient sparse SYK model on a quantum processor.

Moongul Byun et al. · Added 4 Nov 2026

523 entries