Papers
Live trends in quantum computing research, updated daily from arXiv.
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Hardware platform mentions in abstracts — Photonic leads
Generation of mechanical cat-like states via optomagnomechanics
Hao-Tian Li, Hong-Bin Wang, Zi-Xu Lu +1 more·Dec 11, 2025
We propose an optomagnomechanical approach for preparing a cat-like superposition state of mechanical motion. Our protocol consists of two steps and is based on the magnomechanical system where the magnetostrictively induced displacement further coup...
Optomagnonic generation of entangled travelling fields with different polarizations
Zi-Xu Lu, Huai-Bing Zhu, Xuan Zuo +1 more·Dec 11, 2025
The optomagnonic coupling between magnons and optical photons is an essential component for building remote quantum networks based on magnonics. Here we show that such a coupling, manifested as the magnon-induced Brillouin light scattering, can be ex...
Single-molecule Scale Nuclear Magnetic Resonance Spectroscopy using a Robust Near-Infrared Spin Sensor
Yu Chen, Qi Zhang, Yuanhong Teng +6 more·Dec 11, 2025
Nuclear magnetic resonance (NMR) at the single-molecule level with atomic resolution holds transformative potential for structural biology and surface chemistry. Near-surface solid-state spin sensors with optical readout ability offer a promising pat...
Search for a solar-bound axion halo using the Global Network of Optical Magnetometers for Exotic physics searches
Tatum Z. Wilson, Derek F. Jackson Kimball, Samer Afach +48 more·Dec 11, 2025
We report on a search for a gravitationally bound solar axion halo using data from the Global Network of Optical Magnetometers for Exotic physics searches (GNOME), a worldwide array of magnetically shielded atomic magnetometers with sensitivity to ex...
Optimal learning of quantum channels in diamond distance
Antonio Anna Mele, Lennart Bittel·Dec 11, 2025
Quantum process tomography, the task of estimating an unknown quantum channel, is a central problem in quantum information theory. A long-standing open question is to determine the optimal number of uses of an unknown channel required to learn it in ...
Rotational excitation of molecules in the regime of strong ro-vibrational coupling: Comparison between an optical centrifuge and a transform-limited pulse
J. M. García-Garrido, V. Milner, C. P. Koch +1 more·Dec 10, 2025
We investigate theoretically the ability of an optical centrifuge - a laser pulse whose linear polarization is rotating at an accelerated rate, to control molecular rotation in the regime when the rigid-rotor approximation breaks down due to coupling...
Exceptional points of arbitrary high orders induced by non-Markovian dynamics
Timofey T. Sergeev, Evgeny S. Andrianov, Alexander A. Zyablovsky·Dec 10, 2025
Exceptional points are singularities in the spectrum of non-Hermitian systems in which several eigenvectors are linearly dependent and their eigenvalues are equal to each other. Usually it is assumed that the order of the exceptional point is limited...
Single particle dynamical signature of topology induced by single mode cavities in Su-Schrieffer-Heeger chain
Fabrizio Pavan, Grazia Di Bello, Giulio De Filippis +1 more·Dec 10, 2025
Witnessing and tracking topological phase transitions induced by interactions with the environment is a crucial challenge. Among the various experimental approaches to detect topological properties, the Mean Chiral Displacement (MCD) has emerged as a...
Parallel accelerated electron paramagnetic resonance spectroscopy using diamond sensors
Zhehua Huang, Zhengze Zhao, Fei Kong +7 more·Dec 10, 2025
The nitrogen-vacancy (NV) center can serve as a magnetic sensor for electron paramagnetic resonance (EPR) measurements. Benefiting from its atomic size, the diamond chip can integrate a tremendous amount of NV centers to improve the magnetic-field se...
Transition rates and their applications in accelerated single-qubit for fermionic spinor field coupling
Arnab Mukherjee, Sunandan Gangopadhyay, P. H. M. Barros +1 more·Dec 9, 2025
In this work, we investigate the interaction between a uniformly accelerated single qubit and a fermionic spinor field. Here we consider both the massless and the massive fermionic spinor fields. The qubit-field interaction occurs over a finite time ...
Subradiant collective states for precision sensing via transmission spectra
Diego Zafra-Bono, Oriol Rubies-Bigorda, Susanne F. Yelin·Dec 9, 2025
When an ensemble of quantum emitters interacts with a common radiation field, their emission becomes collective, giving rise to superradiant and subradiant states, characterized by broadened and narrowed linewidths. In this work, we propose to harnes...
Extreme statistics as a probe of the superfluid to Bose-glass Berezinskii-Kosterlitz-Thouless transition
Jeanne Colbois, Natalia Chepiga, Shaffique Adam +2 more·Dec 9, 2025
Recent studies of delocalization-localization transitions in disordered quantum chains have highlighted the role of rare, chain-breaking events that favor localization, in particular for high-energy eigenstates related to many-body localization. In t...
Fluctuation-Induced Supersolidity at the Superfluid-Solid Interface
Baptiste Coquinot, Ragheed Alhyder, Alberto Cappellaro +1 more·Dec 9, 2025
Supersolidity, combining superfluid and crystalline orders, has been realized in dipolar Bose-Einstein condensates by tuning interatomic interactions. Here we show that supersolidity can also emerge from mode coupling at a superfluid-solid interface,...
Perfect continuous-variable quantum microcombs
Kangkang Li, Yue Wang, Ze Wang +7 more·Dec 9, 2025
Quantum microcombs generated in high-Q microresonators provide compact, multiplexed sources of entangled modes for continuous-variable (CV) quantum information processing. While deterministic generation of CV states via Kerr-induced two-mode squeezin...
Strain sensitivity enhancement in a Grover-Michelson interferometer
Anthony D. Manni, Christopher R. Schwarze, David S. Simon +2 more·Dec 9, 2025
The Michelson interferometric phase detection resolution can be enhanced by replacing conventional beam splitters with novel directionally unbiased four-port scatterers, such as Grover coins. We present a quantitative analysis of the noise-to-signal ...
$\mathcal{PT}$-symmetric cavity magnomechanics with gain-assisted transparency and amplification
Cham Oumie, Wu-Ming Liu, Kashif Ammar Yasir·Dec 9, 2025
We investigate magnomechanically induced transparency in a parity-time-symmetric cavity magnomechanical system with traveling-field-induced non-Hermiticity. The setup consists of a microwave cavity mode coupled to magnons in a single-crystal yttrium ...
$\ell$-Multiranks of Multipartite Quantum States via Tensor Flattening: A Mathematica Codebase
Masoud Gharahi·Dec 9, 2025
We present a Mathematica codebase for computing $\ell$-multilinear ranks ($\ell$-multiranks) of multiqudit quantum states using tensor-flattening techniques. By calculating the ranks of all bipartition-induced matricizations, the method provides an e...
Single-Step Phase-Engineered Pulse for Active Readout Cavity Reset in Superconducting Circuits
Ren-Ze Zhao, Ze-An Zhao, Tian-Le Wang +10 more·Dec 9, 2025
In a circuit QED architecture, we experimentally demonstrate a simple and hardware-efficient Single-Step Phase-Engineered (SSPE) pulse scheme for actively depopulating the readout cavity. The method appends a reset segment with tailored amplitude and...
Ab initio study of highly charged ion-induced Coulomb explosion imaging
Misa Viveiros, Samuel S. Taylor, Cody Covington +1 more·Dec 8, 2025
We present a theoretical investigation of ion-induced Coulomb explosion imaging (CEI) of pyridazine molecules driven by energetic C$^{5+}$ projectiles, using time-dependent density-functional theory (TDDFT) with Ehrenfest nuclear dynamics. By systema...
Measurement-and Feedback-Driven Non-Equilibrium Phase Transitions on a Quantum Processor
Zhiyi Wu, Xuandong Sun, Songlei Wang +8 more·Dec 8, 2025
Mid-circuit measurements and feedback operations conditioned on the measurement outcomes are essential for implementing quantum error-correction on quantum hardware. When integrated in quantum many-body dynamics, they can give rise to novel non-equil...