Work Extraction Across a Thermodynamic Hierarchy in Quantum Many-Body SystemsThermodynamics is operational in the sense that the very concept of thermal equilibrium depends crucially on the choice of observables, while the amount of extractable work is defined relative to the…Akihiro Hokkyo, Masahito Ueda·Aug 31, 2026SaveLearn
Constrained minimax approximation for quantum signal processingQuantum signal processing (QSP) provides a simple and efficient framework for implementing polynomial transformations using quantum circuits. Its classical design stage leads to a constrained minimax…Yulong Dong, James B. Larsen, Lin Lin et al.·Aug 31, 2026SaveLearn
Well-conditioned iterative methods for large open quantum systemsMarkovian open quantum systems are well modeled by the Lindblad Master Equation (ME) dd t ρt = L ρt, where L is a linear (super-)operator and…Gaspard Beugnot, Paul Gregory, Rémi Robin et al.·Aug 31, 2026SaveLearn
Size-Independent Robustness in Multipartite Bell Self-TestingPractical robust self-testing of multipartite entanglement has so far been restricted to small-scale systems due to error bounds that degrade severely with system size. In this work, we establish…Shen Cao, Xingjian Zhang, Fei Shi et al.·Aug 31, 2026SaveLearn
Metrological quantum-to-classical crossover in the volume of a noisy quasiperiodic latticeLocalization-delocalization transitions have recently been proposed for building a class of efficient quantum many-body critical sensors. This work scrutinizes metrological performances of such…Priya Ghosh, Debarupa Saha, Ujjwal Sen et al.·Aug 31, 2026SaveLearn
Photon-efficient quantum repeater chains via hyperentanglement-assisted purificationLinear quantum repeater chains based on Werner-state purification (the BBPSSW protocol) and entanglement swapping (the BDCZ scheme) are fundamental to entanglement distribution in quantum networks.…Vinay Kumar, Krishan Joshi, Claudio Cicconetti·Aug 31, 2026SaveLearn
Neutral atom quantum computingNeutral atom qubits are one of the leading approaches for implementation of a large scale quantum computer. The original proposals for neutral atom qubits were formulated more than 25 years ago, with…M. Saffman·Aug 31, 2026SaveLearn
Quantum Block Turbo CodesIn the early nineties, the introduction of turbo codes revolutionized classical error correction. The idea was mainly applied on two types of codes: convolutional turbo codes and turbo product codes.…Khaled Jebari, Luiz Anet Neto, Ramesh Pyndiah et al.·Aug 31, 2026SaveLearn
PauLie: Fast Classification of Pauli Dynamical Lie AlgebrasThe dynamical Lie algebra (DLA) governs the controllability, expressibility, and simulation complexity of a quantum system. Explicitly computing it has been a major computational bottleneck:…Oxana Shaya, Konstantin Golovkin, Mainak Roy et al.·Aug 31, 2026SaveLearn
Flatness-Preserving OperationsA quantum state is called flat if it is proportional to a projector. There has been recent interest in studying antiflatness, the property of diverging from flat states, and establishing a resource…Otto Veltheim, Esko Keski-Vakkuri·Aug 31, 2026SaveLearn
Entanglement-enabled Criticality in One-dimensional Quantum Contact ProcessThe contact process is a paradigmatic example of nonequilibrium dynamics, with broad applications ranging from chemistry to sociology. Its quantum counterpart, the quantum contact process (QCP),…Ya-Xin Xiang, Tianyi Yan, Weibin Li et al.·Aug 31, 2026SaveLearn
Trade-off between Cooling-Step Count and Geometric Implementation Cost in Non-Markovian Algorithmic CoolingQuantum cooling is important for reliable quantum computation but involves a trade-off between cooling performance and implementation resources. Although reservoir memory can improve particular…Yohei Azumai, Yoshihiko Hasegawa·Aug 31, 2026SaveLearn
Deterministic Universal Logical Gates for Finite-Energy GKP Qubits in Trapped Neutral AtomsWe present a universal logical gate set for finite-energy Gottesman-Kitaev-Preskill (GKP) qubits encoded in the harmonic motional states of trapped neutral atoms. Internal electronic states serve as…Alok Kumar, Aaron N. Raja, Diksha Thapliyal et al.·Aug 31, 2026SaveLearn
Gate-Efficient Implementation of the Query-Optimal Time-Dependent Hamiltonian SimulationThe query-optimal algorithm of [CGWZ26] for general time-dependent Hamiltonian simulation uses q = O( αT + (1/)(e + (1/)/(αT) ) )…Boyang Chen, Minbo Gao, Zhengfeng Ji et al.·Aug 31, 2026SaveLearn
Efficient measurement schemes for the Monte Carlo projective quantum eigensolverThe Monte Carlo Projective Quantum Eigensolver (MC-PQE) was recently introduced as an alternative to hybrid algorithms like the variational quantum eigensolver (VQE). By using a quantum Monte…Divye Baid, Maria-Andreea Filip·Aug 31, 2026SaveLearn
Cross-Spectral Reservoir Correlations as a Resource for Finite-Time Quantum Otto EnginesWe investigate the thermodynamic consequences of longitudinal-transverse cross-spectral reservoir correlations in a finite-time quantum Otto engine with a two-level working medium. Each reservoir…Siddhartha Dutta, Sujay Mondal, Ankush Das et al.·Aug 31, 2026SaveLearn
Marginal spectral distributions on regular bipartite unitary orbitsFix the spectrum of a bipartite density matrix and randomize its eigenbasis according to Haar measure. We study the probability distributions induced on the spectra of the two marginal states. For…Lin Zhang·Aug 31, 2026SaveLearn
Quantum Imaginary Time Evolution on an Infinite 1D ChainWe introduce a quantum-circuit algorithm for performing imaginary-time evolution on infinite one-dimensional lattice systems. The method uses a parameterized quantum circuit to represent a uniform…Hao-Ti Hung, Tung Tsao, Ying-Jer Kao·Aug 31, 2026SaveLearn
Exact quantum splitting and the structure of finite algebrasBerlekamp's algorithm factors a squarefree polynomial f∈Fq[x] by deterministic linear algebra, reducing the problem to splitting an explicit commutative algebra…Muhammad Imran·Aug 31, 2026SaveLearn
Quantum-interference metrology of dissipative Kerr solitonsDissipative Kerr solitons in optical microresonators underpin chip-scale frequency combs with applications ranging from coherent telecommunications to precision spectroscopy. Yet the characterization…Yun-Ru Fan, Yong Geng, Ji Liu et al.·Aug 31, 2026SaveLearn
Indirect stabilization of N -level quantum systemsWe study the stabilizability of a N -level quantum systems using an indirect control ar- chitecture mediated by a noisy ancilla. After outlining the general theoretical framework for arbitrary N , we…Francesca Carlotta Chittaro·Aug 31, 2026SaveLearn
Best Annealing Path of Quantum Annealing via Efficient Adiabatic Phase TransitionQuantum Annealing (QA) has already put into practical use and considered useful for solving many social issues, such as reduction of traffic congestion and delivery optimization. But in QA, when the…Kiyotaka Murashima·Aug 31, 2026SaveLearn
Efficient biphoton generation by a waveguide-coupled single atomA single atom undergoing spontaneous four-wave mixing near a chiral waveguide can efficiently channel an emitted Stokes-anti-Stokes photon pair into two tightly confined waveguide modes, yielding…Mao-Hua Wang, Xiao-Jun Zhang, M. Artoni et al.·Aug 31, 2026SaveLearn
Modular-Annihilator Parent Hamiltonians for Purified Gibbs States: Spectral Design and Controlled ApproximationPurified Gibbs states provide a bridge between finite-temperature physics, dissipative dynamics, and ground-state methods. In this work, we study the exact finite sum-of-squares (SoS) construction of…Changhao Yi, Jun Takahashi, Cunlu Zhou·Aug 31, 2026SaveLearn
SpiderLS: Leveraging Full ZX Reduction for Lattice Surgery CompilationLattice surgery compilation plays a central role in translating fault-tolerant quantum programs into efficient surface code realizations, where both spatial and temporal resources directly determine…Hyungseok Kim, Changheon Lee, Seungjik Kim et al.·Aug 31, 2026SaveLearn