Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
A Quantum Bluestein's Algorithm for Arbitrary-Size Quantum Fourier Transform
Nan-Hong Kuo, Renata Wong·Dec 17, 2025
We propose a quantum analogue of Bluestein's algorithm (QBA) that implements an exact $N$-point Quantum Fourier Transform (QFT) for arbitrary $N$. Our construction factors the $N$-dimensional QFT unitary into three diagonal quadratic-phase gates and ...
Wave-packet dynamics in pseudo-Hermitian lattices: Coexistence of Hermitian and non-Hermitian wavefronts
Alon Beck, Moshe Goldstein·Dec 17, 2025
This paper investigates wave-packet dynamics in non-Hermitian lattice systems and reveals a surprising phenomenon: The simultaneous propagation of two distinct wavefronts, one traveling at the non-Hermitian velocity and the other at the Hermitian vel...
Quantum Mpemba effect in Local Gauge Symmetry Restoration
Hao-Yue Qi, Wei Zheng·Dec 17, 2025
Understanding relaxation in isolated quantum many-body systems remains a central challenge. Recently, the quantum Mpemba effect (QME), a counterintuitive relaxation phenomenon, has attracted considerable attention and has been extensively studied in ...
Roadmap: 2D Materials for Quantum Technologies
Qimin Yan, Tongcang Li, Xingyu Gao +29 more·Dec 16, 2025
Two-dimensional (2D) materials have emerged as a versatile and powerful platform for quantum technologies, offering atomic-scale control, strong quantum confinement, and seamless integration into heterogeneous device architectures. Their reduced dime...
A quantum advection-diffusion solver using the quantum singular value transform
Gard Olav Helle, Tommaso Benacchio, Anna Bomme Ousager +1 more·Dec 16, 2025
We present a quantum algorithm for the simulation of the linear advection-diffusion equation based on block encodings of high order finite-difference operators and the quantum singular value transform. Our complexity analysis shows that the higher or...
Noise-Induced Thermalization in Quantum Systems
Sameer Dambal, Yu Zhang, Eric R Bittner +1 more·Dec 16, 2025
In the current Noisy Intermediate-Scale Quantum era, noise is widely regarded as the primary obstacle to achieving fault-tolerant quantum computation. However, certain stages of the quantum computing pipeline can, in fact, benefit from this noise. In...
Improved Lower Bounds for QAC0
Malvika Raj Joshi, Avishay Tal, Francisca Vasconcelos +1 more·Dec 16, 2025
In this work, we prove the strongest known lower bounds for QAC$^0$, allowing polynomially many gates and ancillae. Our main results show that: (1) Depth-3 QAC$^0$ circuits cannot compute PARITY, and require $Ω(\exp(\sqrt{n}))$ gates to compute MAJOR...
Large circuit execution for NMR spectroscopy simulation on NISQ quantum hardware
Artemiy Burov, Julien Baglio, Clément Javerzac-Galy·Dec 16, 2025
With the latest advances in quantum computing technology, we are gradually moving from the noisy intermediate-scale quantum (NISQ) era characterized by hardware limited in the number of qubits and plagued with quantum noise, to the age of quantum uti...
Multimode Jahn-Teller Effect in Negatively Charged Nitrogen-Vacancy Center in Diamond
Jianhua Zhang, Jun Liu, Z. Z. Zhu +3 more·Dec 16, 2025
We present a first-principles study of the multimode Jahn-Teller (JT) effect in the exctied $^{3}E$ state of the negatively charged nitrogen-vacancy (NV) center in diamond. Using density functional theory combined with an intrinsic distortion path (I...
Graphene-Insulator-Superconductor junctions as thermoelectric bolometers
Leonardo Lucchesi, Federico Paolucci·Dec 16, 2025
We design a superconducting thermoelectric bolometer made of a Graphene-Insulator-Superconductor tunnel junction. Our detector has the advantage of being passive, as it directly transduces input power to a voltage without the need to modulate an exte...
Ground State Energy via Adiabatic Evolution and Phase Measurement for a Molecular Hamiltonian on an Ion-Trap Quantum Computer
Ludwig Nützel, Michael J. Hartmann, Henrik Dreyer +1 more·Dec 16, 2025
Estimating molecular ground-state energies is a central application of quantum computing, requiring both the preparation of accurate quantum states and efficient energy readout. Understanding the effect of hardware noise on these experiments is cruci...
Hybrid acousto-optical spin control in quantum dots
Mateusz Kuniej, Paweł Machnikowski, Michał Gawełczyk·Dec 16, 2025
Mechanical degrees of freedom very weakly couple to spins in semiconductors. The inefficient coupling between phonons and single electron spins in semiconductor quantum dots (QDs) hinders their integration into on-chip acoustically coupled quantum hy...
Group Theory and Representation Theory for Identical Particles
James Daniel Whitfield·Dec 16, 2025
Few, if any, applications of quantum technology are as widely known as the quantum simulation of quantum matter. Consequently, many interesting questions have been sparked at the intersection of condensed matter, quantum chemistry, and quantum comput...
Frozen Gaussian sampling algorithms for simulating Markovian open quantum systems in the semiclassical regime
Limin Xu, Zhen Huang, Zhennan Zhou·Dec 16, 2025
Simulating Markovian open quantum systems in the semiclassical regime poses a grand challenge for computational physics, as the highly oscillatory nature of the dynamics imposes prohibitive resolution requirements on traditional grid-based methods. T...
Q-IRIS: The Evolution of the IRIS Task-Based Runtime to Enable Classical-Quantum Workflows
Narasinga Rao Miniskar, Mohammad Alaul Haque Monil, Elaine Wong +4 more·Dec 15, 2025
Extreme heterogeneity in emerging HPC systems are starting to include quantum accelerators, motivating runtimes that can coordinate between classical and quantum workloads. We present a proof-of-concept hybrid execution framework integrating the IRIS...
Capturing reduced-order quantum many-body dynamics out of equilibrium via neural ordinary differential equations
Patrick Egenlauf, Iva Březinová, Sabine Andergassen +1 more·Dec 15, 2025
Out-of-equilibrium quantum many-body systems exhibit rapid correlation buildup that underlies many emerging phenomena. Exact wave-function methods to describe this scale exponentially with particle number; simpler mean-field approaches neglect essent...
Implementing the Koopman-von Neumann approach on continuous-variable photonic quantum computers
Xinfeng Gao, Olivier Pfister, Stefan Bekiranov·Dec 15, 2025
The Koopman-von Neumann (KvN) formalism recasts classical mechanics in a Hilbert space framework using complex wavefunctions and linear operators, akin to quantum mechanics. Instead of evolving probability densities in phase space (as in Liouville's ...
Optical Downlink Modeling for LEO and MEO Satellites under Atmospheric Turbulence with a Quantum State Tomography Use Case
Artur Czerwinski, Jakub J. Borkowski, Saeed Haddadi·Dec 15, 2025
This paper presents a comprehensive analysis of the link budget for free-space optical systems involving Low Earth Orbit (LEO) and Medium Earth Orbit (MEO) satellites. We develop a detailed model of the satellite-to-ground channel that accounts for t...
Algorithmic aspects of gauged Gaussian fermionic projected entangled pair states
Itay Gomelski, Jonathan Elyovich, Ariel Kelman +2 more·Dec 15, 2025
Lattice gauge theories (LGTs) provide a powerful framework for studying non-perturbative phenomena in gauge theories. However, conventional approaches such as Monte Carlo (MC) simulations in imaginary time are limited, as they do not allow real time ...
Interferometric probe for the zeros of the many-body wavefunction
Wayne J. Chetcuti, Anna Minguzzi, Juan Polo +1 more·Dec 15, 2025
The nodal surfaces of the many-body wavefunction are fundamental geometric features that encode critical information regarding particle statistics and their interaction. Directly probing these structures, particularly in correlated quantum systems, r...