Papers
Live trends in quantum computing research, updated daily from arXiv.
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Qubit Platforms
Hardware platform mentions in abstracts — Photonic leads
Laser-induced modulation of conductance in graphene with magnetic barriers
Rachid El Aitouni, Miloud Mekkaoui, Pablo Díaz +2 more·Dec 3, 2025
We study how electrons move across a graphene sheet when it encounters two magnetic barriers with a region in between that is continuously driven by laser light. Rather than acting as a static obstacle, this illuminated middle section becomes a Floqu...
Quantum Simulations of Opinion Dynamics
Xingyu Guo, Xiaoyang Wang, Lingxiao Wang·Dec 3, 2025
Consensus formation is a central problem in collective behavior. In this work, we develop quantum models of opinion dynamics that can be exactly solved and implemented on current quantum hardware. By exploiting quantum superposition, measurement-indu...
Numerical simulation of coherent spin-shuttling in a QuBus with charged defects
Nils Ciroth, Arnau Sala, Ran Xue +4 more·Dec 3, 2025
Recent advances in coherent conveyor-mode spin qubit shuttling are paving the way for large-scale quantum computing platforms with qubit connectivity achieved by spin qubit shuttles. We developed a simulation tool to investigate numerically the impac...
Quantum Hash Function Based on Spectral Properties of Graphs and Discrete Walker Dynamics
Mohana Priya Thinesh Kumar, Pranavishvar Hariprakash·Dec 3, 2025
We present Quantum Graph Hash (QGH-256), a novel quantum spectral hashing algorithm that generates high-entropy fingerprints from message-induced graphs. Each input message is mapped to a weighted graph via a discrete random walk on an n X n toroidal...
Beyond Lindblad Dynamics: Rigorous Guarantees for Thermal and Ground State Preservation under System Bath Interactions
Ke Wang, Zhiyan Ding·Dec 3, 2025
We establish new theoretical results demonstrating the efficiency and robustness of system bath interaction models for quantum thermal and ground state preparation. Unlike prior analyses, which typically relies on the Lindblad limit and require vanis...
Hybridized-Mode Parametric Amplifier in Kinetic-Inductance Circuits
Danial Davoudi, Abdul Mohamed, Shabir Barzanjeh·Dec 3, 2025
Parametric amplification is essential for quantum measurement, enabling the amplification of weak microwave signals with minimal added noise. While Josephson-junction-based amplifiers have become standard in superconducting quantum circuits, their ma...
The Pound-Drever-Hall Method for Superconducting-Qubit Readout
Ibukunoluwa Adisa, Won Chan Lee, Kevin C. Cox +1 more·Dec 2, 2025
Scaling quantum computers to large sizes requires the implementation of many parallel qubit readouts. Here we present an ultrastable superconducting-qubit readout method using the multi-tone self-phase-referenced Pound-Drever-Hall (PDH) technique, or...
Experimental Blueprint for Distinguishing Decoherence from Objective Collapse
Ridha Horchani·Dec 2, 2025
The transition from the quantum to the classical realm remains one of the most profound open questions in physics. While quantum theory predicts the existence of macroscopic superpositions, their apparent absence in the everyday world is attributed e...
Phononic Casimir Effect in Planar Materials
Pablo Rodriguez-Lopez, Dai-Nam Le, Lilia M. Woods·Dec 2, 2025
The Phononic Casimir effect between planar objects is investigated by deriving a formalism from the quantum partition function of the system following multiscattering approach. This fluctuation-induced coupling is mediated by phonons modeled as an ef...
Observation of non-Hermitian many-body phase transition in a Rydberg-atom array
Yao-Wen Zhang, Biao Xu, Yijia Zhou +8 more·Dec 2, 2025
Non-Hermitian quantum mechanics with parity-time (PT) symmetry offers a powerful framework for exploring the complex interplay of dissipation and coherent interactions in open quantum systems. While PT-symmetry breaking has been studied in various ph...
Quantum Coulomb drag signatures of Majorana bound states
Zi-Wei Li, Jiaojiao Chen, Wei Xiong +2 more·Dec 2, 2025
Majorana bound states (MBSs), with their non-Abelian statistics and topological protection, are key candidates for fault-tolerant quantum computation. However, their unambiguous identification in solid-state systems remains a fundamental challenge. H...
Magnetoelectric effect in the mixed valence polyoxovanadate cage V$_{12}$
Piotr Kozłowski·Dec 1, 2025
Development of spintronic and quantum computing devices increases demand for efficient, energy saving method of spin manipulation at molecular scale. Polyoxovanadate molecular magnets being susceptible to both electric and magnetic fields may serve h...
The measurement-induced phase transition in strongly disordered spin chains
Yicheng Tang, Pradip Kattel, Arijeet Pal +2 more·Dec 1, 2025
We investigate the dynamics of strongly disordered spin chains in the presence of random local measurements. By studying the transverse-field Ising model with a site-dependent random longitudinal field and an effective $l$-bit many-body localized Ham...
Confinement-Induced Resonances in Rabi-Coupled Bosonic Mixtures
Andrea Tononi, Pietro Massignan·Dec 1, 2025
We consider coherently-coupled bosonic mixtures scattering at low energies in the presence of an external confinement along either one or two directions. We exactly solve the two-body scattering problem, showing that for large Rabi coupling the confi...
Folded optimal transport and its application to separable quantum optimal transport
Thomas Borsoni·Dec 1, 2025
We introduce folded optimal transport, as a method to extend a cost or distance defined on the extreme boundary of a convex to the whole convex, related to convex extension. This construction broadens the framework of standard optimal transport, foun...
A Three-Dimensional Array of Quantum Dots
Hanifa Tidjani, Dario Denora, Michael Chan +6 more·Dec 1, 2025
Quantum dots can confine single electrons or holes to define spin qubits that can be operated with high fidelity. Experimental work has progressed from linear to two-dimensional arrays of quantum dots, enabling qubit interactions that are essential f...
Data-Driven Learnability Transition of Measurement-Induced Entanglement
Dongheng Qian, Jing Wang·Dec 1, 2025
Measurement-induced entanglement (MIE) captures how local measurements generate long-range quantum correlations and drive dynamical phase transitions in many-body systems. Yet estimating MIE experimentally remains challenging: direct evaluation requi...
Experimental Witness of Quantum Jump Induced High-Order Liouvillian Exceptional Points
Zhuo-Zhu Wu, Pei-Dong Li, Tai-Hao Cui +11 more·Dec 1, 2025
The exceptional point has presented considerably interesting and counterintuitive phenomena associated with nonreciprocity, precision measurement, and topological dynamics. The Liouvillian exceptional point (LEP), involving the interplay of energy lo...
Formulations of Quantum Thermodynamics and Applications in Open Systems
J. M. Z. Choquehuanca·Nov 30, 2025
Quantum thermodynamics has emerged as a central field for understanding how energy conversion processes occur in microscopic systems. In these systems, effects such as coherence, entanglement, and non-Markovianity play key roles. In this thesis, we e...
Resonant states and nuclear dynamics in solid-state systems: the case of silicon-hydrogen bond dissociation
Woncheol Lee, Mark E. Turiansky, Dominic Waldhör +3 more·Nov 29, 2025
Bond breaking in the presence of highly energetic carriers is central to many important phenomena in physics and chemistry, including radiation damage, hot-carrier degradation, activation of dopant-hydrogen complexes in semiconductors, and photocatal...