An Irreducible Quantum Advantage in Aligning World Models with RealityWorld models provide digital simulacra of the true world, allowing agents to be trained and tested before costly real-world deployment. At each time step, they receive an action and generate an…Josep Lumbreras, Hailan Ma, Jayne Thompson et al.·Aug 20, 2026SaveLearn
Gradient flow towards quantum states with ideal quantum geometryWe propose a gradient-flow method for quantum states in lattice models, generated by an action consisting of the quantum-metric and the square of the Berry curvature. These two terms drive the…T. Shiga, T. Fukui·Aug 20, 2026SaveLearn
Krylov Tomography and Finite-Uncertainty Certification of Exceptional-Point DynamicsExceptional points (EPs) can produce striking responses, but locating one does not reveal how much of its dynamics an excitation accesses, which responses a detector distinguishes, or whether a…Aritra Ghosh, M. Bhattacharya·Aug 20, 2026SaveLearn
Multiplexing of Continuous-Variable and Discrete-Variable Quantum Key Distribution Systems over Fibered and Free-Space ChannelsFuture quantum communication infrastructures will need to serve heterogeneous users on shared physical channels: short-range, high-throughput links favor Continuous-Variable Quantum Key Distribution…Mattia Sabatini, Edoardo Rossi, Matías R. Bolaños et al.·Aug 20, 2026SaveLearn
Dissipation-tunable extended and localized steady states in a non-disordered latticeDissipation is usually regarded as a source of decoherence that suppresses quantum interference and localization. Here we show that suitably engineered dissipation can instead be used to select…Ming-Jie Tao, Yi-Ting Wang, Jing Li et al.·Aug 20, 2026SaveLearn
Tight Entropy Contraction of Generalized Quantum DepolarizationWe establish upper and lower bounds for relative entropy contraction of generalized quantum depolarizing channels and semigroups. Our bound provides tight first order asymptotic of the contraction…Li Gao, Long Zhao·Aug 20, 2026SaveLearn
Geometric phase of open paths and a geodesic-selection rule at a level degeneracyWhen the control field of a qubit, a polarization state, or a spin-12 system is swept through a level degeneracy, its direction traces an open curve on the Bloch sphere whose endpoints are…Hyeonseok Yang, Changsuk Noh·Aug 20, 2026SaveLearn
A charge selection rule fixes what a squeezed-light reservoir computer can compute and affordReading an optical quantum reservoir costs repetitions growing super-exponentially with feature order: what it can afford is set by its detector, not its optics. For reservoirs encoding data in a…Daniel Soh·Aug 20, 2026SaveLearn
Variational Quantum Linear Solver via Block Encoding for the Poisson EquationWe present a variational quantum linear solver (VQLS) for the Poisson equation built on an exact block encoding of the discrete Laplacian, and demonstrate its performance on physically motivated…Viraj Dsouza, Ayush Singhal, Alex Khan et al.·Aug 20, 2026SaveLearn
High fidelity control of superconducting qubits with optical transmitted signalSuperconducting circuits exhibit remarkable potential for constructing large-scale quantum simulation and computation systems, featuring numerous qubits, extended coherence time, and precise control.…Yu-Huai Li, Daojin Fan, Na Li et al.·Aug 20, 2026SaveLearn
Physics-guided machine learning for sim-to-real calibration of NV diamond magnetometersEnsemble nitrogen-vacancy (NV) centers in diamond enable robust vector magnetometry in unshielded environments, yet deployment remains bottlenecked by complex calibration and a reliance on external…Jonathan Daniel, Martin Y. Kim, Jesse Hernandez et al.·Aug 20, 2026SaveLearn
Quantum Energy Storage versus Heat-to-Work Conversion in an Interacting Spin SystemWe investigate the energetic and thermodynamic performance of an interacting two-qubit system serving as both a quantum battery and a quantum Otto heat engine. The working medium is described by an…Omar Bachain, Mohamed Amazioug, Rachid Ahl Laamara·Aug 20, 2026SaveLearn
Variational Quantum Circuit Parameterization of SchNet: A Simulator-Based Feasibility Study for Conservative Molecular Force FieldsMachine-learning force fields provide a promising route for accelerating molecular simulation by replacing expensive quantum-chemical calculations with differentiable models of molecular energies and…Hoang - Anh Nguyen, Nhu - Duc Dinh, Viet - Hung Tran et al.·Aug 20, 2026SaveLearn
Physics-Based versus Data-Driven Classification of Single-Photon Quantum Emitters from Sparse Autocorrelation DataIdentifying single photon emitters from large, inhomogeneous candidate populations is key to realizing many quantum applications. This requires measuring the emitters second order autocorrelation…Nhat Minh Nguyen, Md Shakhawath Hossain, Duc Anh Ngo et al.·Aug 20, 2026SaveLearn
Attaining Fundamental Limits of Multiparameter Incoherent Optical Imaging Using Joint-Detection Quantum MeasurementsResolving extended incoherent objects below the diffraction limit poses an application-rich imaging challenge whose solution may enable a new generation of observational instruments and capabilities.…Nico Deshler, Aakash Warke, Michael R. Grace et al.·Aug 20, 2026SaveLearn
Beyond Integrability Preserving Renormalization-Group Protocol in Non-Hermitian Hamiltonians with Time-Dependent Interaction StrengthsIt is well established that in time-dependent quantum systems, integrability preserving time-dependent interaction strengths are identical to the renormalization group (RG) trajectories of the…Parameshwar R. Pasnoori·Aug 20, 2026SaveLearn
Q-MAP: Multi-Platform Benchmarking of Distributed Quantum Computing for Coherent Controlled IslandingThe integration of distributed energy resources into power networks is accelerating. The resulting variability narrows operating margins, so a disturbance can cascade into a wide-area blackout.…Yuqi Jiang, Zhiding Liang, Qiang Guan et al.·Aug 19, 2026SaveLearn
Verification Meets Calibration: Bounds and Secret-Independent State Preparation with an NV-Center as a Case StudyVerification protocols provide cryptographic guarantees that the outcome of a delegated quantum computation is correct, a key requirement for scalable and trustworthy quantum computing. A central…Ezra Acalapati, Elham Kashefi, Cica Gustiani·Aug 19, 2026SaveLearn
Alphabet-Dependent Bounds for Pure Quantum (r,ρ)-Locally Recoverable CodesA quantum (r,ρ)-locally recoverable code ((r,ρ)-qLRC) is a quantum code in which every qudit can be recovered from at most r+ρ-1 other qudits, even after ρ-1 additional erasures inside the…Vijay Kumar, Ramakrishna Bandi·Aug 19, 2026SaveLearn
Quantum algorithm for differential equations via permutation matrix representation with application to the Burgers equationWe develop a quantum algorithm for solving the dynamics of the nonlinear viscous Burgers equation. We apply the Carleman linearization procedure on the spatially discretized equation, followed by a…Hriday Sabharwal, Amir Kalev, Itay Hen·Aug 19, 2026SaveLearn
Stability and squeezing of the three-photon degenerate parametric down-conversionNonlinear multiphoton conversion processes are theoretically and experimentally challenging systems in quantum optics and related areas. These phenomena bring remarkable quantum properties and can be…Vinícius V. Seco, Alencar J. de Faria·Aug 19, 2026SaveLearn
Fast Algorithms for Stoquastic Spin SystemsWe establish a general framework for developing fast sampling and counting algorithms for stoquastic spin systems at high temperature. Our framework is based on a rapidly mixing Markov chain for…Ryan L. Mann·Aug 19, 2026SaveLearn
Is the Quantum-Entangled Universe a Small World?Partial entanglement may provide enough connections in the universe to satisfy the definition of a small world. To investigate this possibility, we define a network of particles on a given space-like…Gregory S. Duane·Aug 19, 2026SaveLearn
Renormalization group ontology in quantum foundations: a non-interacting spin-0 toy modelA realist, anti-psi interpretation of quantum field theory is introduced, based on an expanded ontology that was inspired by the renormalization group. A goal will be to work with a classical…Gary Kapilevich·Aug 19, 2026SaveLearn
Efficient Classical Simulation of Weakly Interacting Fermion DynamicsWe consider the task of simulating the real-time dynamics of weakly interacting fermionic systems. In particular, we focus on computing the expectation value of a local observable A at time t. By…Chu Zhao, Iman Marvian, Yu Tong·Aug 19, 2026SaveLearn