On Demand magnetic-Doppler nuclear frequency comb memory for hard X-ray photonsNuclear quantum memories in the hard X-ray regime offer some key advantages over their optical counterparts, such as broader bandwidth and lower background noise. A Doppler frequency comb protocol…Yanli Shi, Xiwen Zhang, Yuri Shvyd'ko et al.·Aug 8, 2026SaveLearn
Quantum-classical crossover in noisy monitored oscillatorsThe quantum first-passage problem involves stochastic trajectories conditioned on measurement outcomes. The timing statistics of such trajectories remain largely unexplored in open quantum systems.…Joseph M. Ryan, Simon Gorbaty, Stephen W. Teitsworth et al.·Aug 8, 2026SaveLearn
Catching Transpilation Drift with a CI/CD Workflow in Quantum Software DevelopmentQuantum software workflows rely on compiler and provider toolchains that evolve independently of application source code. Consequently, an unchanged quantum circuit may transpile into a different…Jouni Peltonen, Otso Kinanen, Vlad Stirbu·Aug 8, 2026SaveLearn
Millisecond optical coherence and strong collective coupling in an integrated telecom rare-earth photonic platformLong-range quantum network nodes require the combination of strong light-matter coupling, long coherence times and in situ spectral control at telecom wavelengths. The coherence of erbium in…Kah Jen Wo, Pavel A. Dmitriev, Karthik Dasigi et al.·Aug 8, 2026SaveLearn
Opposite post-processing orders of fermionic horizon channels and their quantum-resource monotonicityRelativistic quantum-information studies in noninertial and black-hole settings often determine resource behavior through explicit calculations for particular input states and state functionals,…Shuhao Li, Jin-Ming Liu·Aug 8, 2026SaveLearn
Hamiltonian spectra in quantum computers through the generalized eigenvalue methodQuantum computers can generate real-time correlators of field theories. By adapting the generalized eigenvalue problem to these correlators, energy eigenvalues can be extracted directly. The method…Valery Simonyan, Greg Ridgway, Paulo Bedaque·Aug 8, 2026SaveLearn
Preserving Heisenberg-Limited Metrological Information during Storage via Correlated-Noise CorrectionQuantum error correction has become an indispensable tool for restoring Heisenberg-limited precision in noisy quantum metrology. Existing protocols, however, almost exclusively focus on correcting…Hang Xu, Xue-Ke Song, Jingzheng Huang et al.·Aug 8, 2026SaveLearn
Gravitational Casimir-Polder interaction in a thermal bathWe have investigated, by separating the contributions from thermal fluctuations (tf) and the radiation reaction (rr), the gravitational Casimir-Polder interaction between a gravitationally…Shijing Cheng, Tianxin Wang, Zili Zhang·Aug 8, 2026SaveLearn
Bell nonlocality with directly generated telecom-band spin-photon entanglementQuantum nonlocality, typically revealed through entanglement distribution across quantum networks, is a cornerstone of quantum information science. Long-distance distribution of entanglement requires…Dong-Yu Huang, Jian Wang, Xiao-Long Zhou et al.·Aug 8, 2026SaveLearn
Time-reparameterisation invariant quantum evolution law: the lack of absolute time does not imply a stationary global stateWe challenge the common belief that if there is no absolute time parameter in physics, a quantum system described without reference to an external clock can be assumed to be in a stationary state of…Ognyan Oreshkov, Denis Bouvy·Aug 8, 2026SaveLearn
Quantum Decision Theory for Displacement Detection with Finite-Energy GKP StatesWe develop a quantum-decision-theoretic framework for detecting phase-space displacements with finite-energy, d-level Gottesman-Kitaev-Preskill (GKP) probes. For single-mode and…Seid Koudia, Symeon Chatzinotas·Aug 8, 2026SaveLearn
Near-Optimal Gap Amplification for Nonnegative Unentangled Quantum ProofsWe study gap amplification of the class QMA+(2) characterized by unentangled quantum proofs whose amplitudes are nonnegative in the computational basis. This class was recently…Masayuki Miyamoto·Aug 8, 2026SaveLearn
Stable three-dimensional solitons in spin-orbit-coupled atomic-molecular condensatesWe elaborate a mechanism for the creation of stable three-dimensional (3D) solitons in spin-orbit-coupled (SOC) atomic-molecular Bose-Einstein condensate, modeled by the mean-field equations with the…Chao Kong, Jinqing Li, Guihua Chen et al.·Aug 8, 2026SaveLearn
Quantum Chinese Remainder ClockThe Chinese remainder theorem is used in metrology for extending the range of quantum clocks/radar/interferometry, where the phase of a signal is known relative to a set of oscillators with different…Ivri Nagar, Alioscia Hamma, Mikel Palmero et al.·Aug 8, 2026SaveLearn
Breaking the Curse of Dimensionality in Quantum PDE Solvers via Gevrey RegularityWe connect different degrees of smoothness of real-valued periodic functions to the number of qubits required for their high-precision Fourier-basis amplitude encodings as quantum states. Our…Pooya Ronagh, Mariia Sobchuk, Xiaoran Li et al.·Aug 8, 2026SaveLearn
Biorthogonal-only Floquet Dynamical Quantum Phase TransitionsNon-Hermitian dynamical quantum phase transitions (DQPTs) are intrinsically sensitive to the choice of inner product under nonunitary time evolution. Although the biorthogonal formulation based on…Jiangrong Wen, Qidong Yuan, Zi-Xiang Hu et al.·Aug 8, 2026SaveLearn
Playing Nonlocal Games with Little to No Shared RandomnessBell nonlocality reveals correlations that cannot be explained by classical models and plays a central role in quantum information theory. In this work, we investigate classical models of Bell…Mingze Xu, Eric Chitambar·Aug 8, 2026SaveLearn
On quantum mechanics self-consistency: EPR incompleteness claims require no extraneous concepts beyond the theory's plain formalism for refutationFrom a phenomenological and experimental viewpoint, quantum mechanics is remarkably successful in explaining effects and processes in the microscopic world. Recently, however, a growing body of…D. F. Orsini, L. R. N. Oliveira, M. G. E. da Luz·Aug 7, 2026SaveLearn
A Universal Entanglement Witness GeneratorEntanglement witnesses are essential for certifying entanglement, yet constructing ones that are both noise-robust and economical in measurement settings remains challenging - particularly beyond…Aiden R. Rosebush, Alexander C. B. Greenwood, Andi Shahaj et al.·Aug 7, 2026SaveLearn
Multistage Rewinding Decoder for QLDPC CodesIn this paper, we propose a multistage decoding framework that leverages internal information produced by an underlying message-passing decoder. The proposed method targets the failure dynamics…Milad Taghipour, Dimitris Chytas, Bane Vasić·Aug 7, 2026SaveLearn
A Quantum-Enhanced Feedback OscillatorFeedback oscillators, such as lasers and masers, serve as time references in modern computing, communication, and measurement. Quantum fluctuations ultimately limit their phase stability and ability…Hudson A. Loughlin, Daniel M. DeSantis, Nergis Mavalvala et al.·Aug 7, 2026SaveLearn
Emergent Non-Markovian Nonlinear Qubit From Collective Spin InteractionsOpen-system descriptions are typically introduced by coupling a quantum system to an external environment. Here we show that a closed interacting many-body system can itself generate a controlled…Gregory T. Carroll, Michael R. Geller, Andre Erpenbeck·Aug 7, 2026SaveLearn
Randomized product formulas beyond optimal deterministic scalingProduct formulas, also known as Trotter formulas, are among the most widely used and practical methods for simulating quantum systems on quantum computers. Here we introduce two new classes of…Leeseok Kim, Luis Pedro García-Pintos·Aug 7, 2026SaveLearn
Implicit Differentiation for Measurement-Efficient Bilevel Quantum-Classical OptimizationQuantum optimization has shown promising results for quadratic unconstrained binary optimization (QUBO) problems. Real-world applications, however, often involve polynomial coefficients that depend…Tobias Rohe, Markus Baumann, Federico Harjes Ruiloba et al.·Aug 7, 2026SaveLearn
The Case for the Everett MultiverseI give a non-technical presentation of the argument that quantum mechanics, in the form in which it is currently used, needs to be understood in many-worlds (Everettian) terms; the alternatives that…David Wallace·Aug 7, 2026SaveLearn