Predicting Resource Efficient Hamiltonian Decomposition for Continuous-Time Quantum Walk SimulationsSimulating a continuous-time quantum walk (CTQW) on a graph in the circuit model of quantum computing requires decomposing its Hamiltonian into terms that can be Trotterized into hardware-native…Mostafa Atallah, Rebekah Herrman, Zain H. Saleem·Aug 21, 2026SaveLearn
Temperature dependence of the Casimir pressure on two graphene sheets placed on a substrateThe dispersion interaction between two infinite sheets of graphene located on a substrate is considered based on the Lifshitz formula, taking temperature into account. The result is obtained in the…Michael V. Davidovich·Aug 20, 2026SaveLearn
Atmospheric Turbulence-Aware Optimization of Generalized Kennedy Receivers for Coherent-State BPSK Quantum CommunicationWe investigate generalized Kennedy receivers for coherent-state BPSK communication over turbulent free-space optical channels. An ergodic mutual-information framework is developed to jointly optimize…Md Ashraf Hossain Ifty, Rahul Bhadani·Aug 20, 2026SaveLearn
Quantum phase transitions and quantum-information characterization of a non-Hermitian XY chain with staggered Dzyaloshinskii--Moriya interactionsWe investigate the phase diagram of a non-Hermitian XY chain with staggered Dzyaloshinskii--Moriya (DM) interactions using quantum-information methods. Through an alternating local-spin-rotation…Hong Jiang, Xiang-Ping Jiang, Yan-Chao Li·Aug 20, 2026SaveLearn
Lee-Yang zeros of modulated XY spin chains with Dzyaloshinskii-Moriya interaction: zero-contour topology and quantum phase-diagram reconstructionWe investigate the Lee--Yang zeros (LYZ) of inhomogeneous anisotropic XY spin chains with Dzyaloshinskii--Moriya (DM) interactions in the complex transverse-field plane, focusing on their fundamental…Hong Jiang, Xiang-Ping Jiang, Yan-Chao Li·Aug 20, 2026SaveLearn
Scaling Behavior of Parameterized Quantum Circuits from a Lie-Algebraic PerspectiveUnderstanding how the performance of parameterized quantum circuits scales with available resources is important for characterizing their trainability and effective model capacity. In this study, we…Hiroshi Ohno·Aug 20, 2026SaveLearn
Clifford-efficient sparse state preparation for molecular wavefunctionsSparse quantum state preparation concerns an n-qubit target state that is a superposition of only d 2n computational basis states. Existing approaches exploit this sparsity by compressing…Yingrong Chen, Nathan A. Baker, Rushi Gong et al.·Aug 20, 2026SaveLearn
Nonlinear Diamagnetic Interactions in Ultrastrongly Coupled 2D ElectronsThe quantum Hopfield model is widely used to describe ultrastrong light--matter coupling between cavity photons and collective bosonic excitations in solids, where the diamagnetic interaction is…Dasom Kim, Kiran M. Kulkarni, Vaibhav Sharma et al.·Aug 20, 2026SaveLearn
Energetics in daemonic work extraction protocols via non-ideal QND-energy measurementWe address the problem of extracting work from a quantum system assisted by a quantum non-demolition (QND) energy measurement. When a perfect QND measurement can be performed and an auxiliary…Daniele Morrone, Francesco Albarelli, Vittorio Giovannetti et al.·Aug 20, 2026SaveLearn
Collective Quantum Logic SpectroscopyScaling trapped-ion quantum sensors from single ions to large ensembles is a key challenge for next-generation precision measurements. At the same time, many ion species of interest for optical…Raphael Kaubruegger, Matthew Patkowski, Yicheng Zhang et al.·Aug 20, 2026SaveLearn
To Scale Up or To Scale Out: Evaluating Space-Time Costs of Compiled Logical Circuits on Modular Superconducting Quantum ProcessorsModular integration has emerged as the main pathway for scaling superconducting quantum processing units (QPUs) beyond the constraints of fabrication yield and physical footprint. Currently, two…Nikiforos Paraskevopoulos, Sebastian de Bone, Mick Christophersen et al.·Aug 20, 2026SaveLearn
Practical Error Suppression and Mitigation for Reliable Quantum ComputingQuantum computing is entering a transitional regime between noisy intermediate-scale quantum (NISQ) processing and early fault-tolerant quantum computation (FTQC), in which increasingly capable…Han-Ze Li, Mengjie Yang, Xianquan Yan et al.·Aug 20, 2026SaveLearn
Granthi: Higher-Order Quantum Programming via Unitary WiringExisting quantum programming languages confine higher order structure to a classical host while restricting the quantum layer to first order operations on qubits. This paper presents Granthi, a…Samson Abramsky, Radha Jagadeesan·Aug 20, 2026SaveLearn
Comment on "Scalable Quantum Machine Learning: Trainability, Expressivity and Efficiency": Polynomial Evaluation of the Triplet-Block ReadoutWe examine the classical-cost claim for the triplet-block two-body readout in arXiv:2607.24014v1. The Gaussian-state expansion used there gives an O(22k/3poly(n)) classical algorithm,…Erfan Amidi·Aug 20, 2026SaveLearn
Group-theoretic treatment of strong light-matter coupling with an arbitrary number of excitationsStrong light-matter interactions in optical microcavities give rise to hybrid light-matter states known as polaritons. While actively used in modern technologies, theoretical descriptions of such…Antti Peltola, Olli Siltanen, Kimmo Luoma et al.·Aug 20, 2026SaveLearn
Parallel Quantum Advantage with Limited Adaptivity Requires StructureAaronson and Ambainis (Theory of Computing, 2014) conjectured that quantum query algorithms admit efficient almost-everywhere classical simulation: for any T-query quantum algorithm, its acceptance…Qipeng Liu, Saachi Mutreja·Aug 20, 2026SaveLearn
Programmable cavity QED with a fiber-integrated atomic arrayStrong atom-photon interactions in optical cavities are a key resource for quantum information processing, quantum networking, and the exploration of quantum optical effects. Optical tweezer arrays…Stephan Roschinski, Johannes Schabbauer, Franz von Silva-Tarouca et al.·Aug 20, 2026SaveLearn
Quantum-mechanical wave functions in singular potentials: linear and nonlinear statesIt is known that the attractive singular inverse-square potential gives rise to the critical quantum collapse in the framework of the three-dimensional (3D) linear Schroedinger equation. This article…Hidetsugu Sakaguchi, Boris A. Malomed·Aug 20, 2026SaveLearn
Analytical Solutions of the Generalized Klein-Gordon Oscillator in Som-Raychaudhuri Space-Time via the Extended Nikiforov-Uvarov MethodIn this study, we present an analytical approach based on the extended Nikiforov-Uvarov method to solve the generalized Klein-Gordon oscillator in the presence of a uniform magnetic field within the…Hale Karayer, Tolga Celik, Dogan Demirhan·Aug 20, 2026SaveLearn
Logarithmic depth compression of Heisenberg Hamiltonian simulation by fan-out parallelization, with built-in error detectionNoisy intermediate-scale quantum computers are constrained by circuit depth, while product-formula simulation of spin systems leads to narrow and deep circuits. Here we introduce a fan-out-based…Artemiy Burov, Clément Javerzac·Aug 20, 2026SaveLearn
Jamming Extensions of Quantum Correlations Lead to Hidden Superluminal SignalingRelativistic causality in certain spacetime configurations permits jamming - superluminal causal influences that nevertheless do not enable superluminal signaling. We fully characterize the…Ravishankar Ramanathan, Xie Sicheng, Michał Eckstein et al.·Aug 20, 2026SaveLearn
Nonthermal Dynamics of a One-dimensional Rydberg-atom Chain with Constraint Four-body InteractionsWe investigate dynamics of a linear chain of Rydberg atoms driven by a constrained four-body interaction, where two neighboring atoms are excited simultaneously from the electronic ground state…Tianyi Yan, Weibin Li·Aug 20, 2026SaveLearn
Hybrid Qubit-Rotor Quantum Systems: Clifford Structure, Universal Control, and ApplicationsA U(1) quantum rotor pairs a periodic angle with an integer-valued conjugate momentum, and occurs in molecular rotation, superconducting phase-charge circuits, and compact gauge fields. Coupling…Dengyao Luo, Arvin Kushwaha, Mastawal Tirfe et al.·Aug 20, 2026SaveLearn
Rigorous existence and location of quantum phase transitions in lattice Hamiltonian systemsWe extend the analysis of the class of quantum phase transitions (QPTs) that can be interpreted as condensations in state space, first introduced in [M. Ostilli and C. Presilla, J. Phys. A 54, 055005…Massimo Ostilli, Carlo Presilla·Aug 20, 2026SaveLearn
Characterization of a damping channel as a mixture of amplitude damping and anti-damping channels of different parametersNon-unital noise is a fundamental feature of open quantum systems, governing energy exchange and inducing state translations on the Bloch sphere. While such translations can be useful for tasks such…Vijay Pathak, R. Srikanth·Aug 20, 2026SaveLearn