Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
ZX-Flow: A Flexible Criterion for Deterministic Computation with ZX-Diagrams
Aleks Kissinger, John van de Wetering·Mar 10, 2026
Flow criteria are used to efficiently extract computations, either in the form of measurement patterns or quantum circuits, from ZX-diagrams. Existing criteria such as causal flow, generalised flow, and Pauli flow, were all originally formulated for ...
Nonthermal Dynamics and Scar-Like Spectral Structures in a High-Spin Fermi Gas
Shuyi Li, Qiang Gu·Mar 10, 2026
We investigate nonequilibrium dynamics and weak ergodicity breaking in a harmonically trapped spin-$3/2$ Fermi gas by using the time-dependent Hartree-Fock equation. The Shannon entropy remains bounded and oscillatory throughout the evolution, indica...
Variational Quantum Dimension Reduction for Recurrent Quantum Models
Chufan Lyu, Ximing Wang, Mile Gu +2 more·Mar 10, 2026
Recurrent quantum models (RQMs) realize sequential quantum processes through repeated application of a unitary operation on a memory system coupled with a series of output registers. However, such models often rely on unnecessarily large memory space...
High-resolution resonant inelastic X-ray scattering study of W-L3 edge in WSi2
Zheqian Zhao, Shuxing Wang, Xiyuan Wang +4 more·Mar 10, 2026
With the advancement of synchrotron radiation and free-electron laser, X-ray quantum optics has emerged as a novel frontier for exploring light-matter interactions at high photon energies. A significant challenge in this field is achieving well-defin...
An elementary proof of symmetrization postulate in quantum mechanics for a system of particles
Diganta Parai, Nikhilesh Maity·Mar 10, 2026
According to symmetrization postulate for a system of identical particles, wave function has to be completely symmetric or completely anti-symmetric. In this paper we want to mathematically justify this postulate ignoring the spin part of wave functi...
Quantum optical impurity models in interacting waveguide QED
Adrian Paul Misselwitz, Jacquelin Luneau, Peter Rabl·Mar 10, 2026
We consider a generic model for interacting waveguide QED systems, where photons in a coupled-cavity array localize around atomic impurities while simultaneously interacting through local Kerr nonlinearities. This scenario appears naturally in nanoph...
Sensing Low-Frequency Field with Rydberg Atoms via Quantum Weak Measurement
Ding Wang, Shenchao Jin, Xiayang Fan +5 more·Mar 10, 2026
Recently, Rydberg atom has emerged as an attractive choice to realize quantum sensing of low-frequency electric field. The progress so far has mostly utilized the intensity and phase changes in probe laser and the corresponding detection mechanism st...
Mitigating Frequency Learning Bias in Quantum Models via Multi-Stage Residual Learning
Ammar Daskin·Mar 10, 2026
Quantum machine learning models based on parameterized circuits can be viewed as Fourier series approximators. However, they often struggle to learn functions with multiple frequency components, particularly high-frequency or non-dominant ones; a phe...
Enhanced security in Quantum Token protocols using Hybrid Spin-Photon Interfaces
Durga Bhaktavatsala Rao Dasari, Yang Wang, Jörg Wrachtrup·Mar 10, 2026
Quantum token protocols enable unforgeable quantum tokens promising unconditional security beyond classical cryptographic assumptions. We show here that the three stages of the Quantum token protocols involving the preparation, storage and verificati...
Multi-tasking through quantum annealing
Jargalsaikhan Artag, Koki Awaya, Takumi Kanezashi +3 more·Mar 10, 2026
Quantum annealing approximately solves combinatorial optimization problems by leveraging the principles of adiabatic quantum systems. In this approach, the system's Hamiltonian evolves from an initial general state to a problem-specific state. This s...
Chip-Integrated Broadband Multi-Photon Source for Wavelength-Multiplexed Quantum Networks
Xiao-Xu Fang, Ling-Xuan Kong, He Lu·Mar 10, 2026
Quantum networks based on wavelength-multiplexed entanglement enable parallel distribution of quantum correlations, increasing channel capacity for secure communication and distributed quantum information processing. However, broadband integrated sou...
Probing mesoscopic nonlocal screening in van der Waals heterostructures with polaritons
Xuezhi Ma, Zhipeng Li, Ruihuan Duan +17 more·Mar 10, 2026
Predictive optical modelling of van der Waals (vdW) heterostructures is critical for meta-optics, near-field photonics and quantum technologies. At their buried interfaces, charge transfer and spatially extended screening challenge local descriptions...
Verified delegated quantum computation requires techniques beyond cut-and-choose
Fabian Wiesner, Anna Pappa·Mar 10, 2026
Delegated quantum computation enables a client with limited quantum capabilities to outsource computations to a more powerful quantum server while preserving correctness and privacy. Verification is crucial in this setting to ensure that the untruste...
Thermodynamic Properties of the Dunkl-Pauli Oscillator in an Aharonov-Bohm Flux
Ahmed Tedjani, Boubakeur Khantoul·Mar 10, 2026
We study a two-dimensional Dunkl--Pauli oscillator in the presence of an Aharonov--Bohm (AB) flux. The combination of reflection symmetry (via Dunkl operators) and a topological gauge field imposes a nontrivial constraint on the admissible quantum st...
Polaron effects on the information backflow in Jaynes-Cummings model
Saima Bashir, Mehboob Rashid, Rayees A Malla +1 more·Mar 10, 2026
We investigate the influence of phonon degrees of freedom on the qubit dynamics in Jaynes-Cummings (JC) model. A strong qubit-phonon coupling is considered giving rise to Jaynes-Cummings-Holstein (JCH) model. Under anti-adiabatic conditions, we perfo...
Elementary asymptotic approach to the Landau-Zener problem
Eric P. Glasbrenner, Wolfgang P. Schleich·Mar 10, 2026
We present an asymptotic approach towards the standard Landau-Zener problem based on two linearly independent elementary waves of constant amplitude but time-dependent phase. The two contributions to this phase are quadratic and logarithmic in time a...
Cluster-Adaptive Sample-Based Quantum Diagonalization for Strongly Correlated Systems
Byeongyong Park, Sanha Kang, Jongseok Seo +3 more·Mar 10, 2026
Sample-based quantum diagonalization (SQD) is a hybrid quantum-classical algorithm for estimating ground-state energies in electronic-structure calculations. It uses a quantum processor as a sampler to construct a variational subspace, with Hamiltoni...
Fictitious Copy Quantum Error Mitigation
Akib Karim, Harish J. Vallury, Muhammad Usman·Mar 10, 2026
Errors are arguably the most pressing challenge impeding practical applications of quantum computers, which has instigated vigorous research on the development of quantum error mitigation (QEM) techniques. Existing QEM methods suppress errors with a ...
Incoherent Operations Enable State Transformations Impossible under Dephasing-covariant Incoherent Operations
C. L. Liu·Mar 10, 2026
We show that incoherent operations (IOs) can achieve the state transformations that are forbidden under dephasing-covariant incoherent operations (DIOs), thereby resolving the open problem posed by Chitambar and Gour [Phys. Rev. Lett. 117, 030401 (20...
Efficient Qubit Simulation of Hybrid Oscillator-Qubit Quantum Computation
Xi Lu, Bojko N. Bakalov, Yuan Liu·Mar 10, 2026
We introduce a framework for simulating hybrid oscillator-qubit quantum processors on qubit-only systems through position encoding. By encoding continuous-variable position and momentum wave functions into qubit amplitudes, our method efficiently sim...