Interpreting Bohm-like quantum potentials in "Computing quantum waves exactly from classical action"Comment on arXiv:2605.02621 [23] and arXiv:2606.05197 [24]: In contrast to his earlier comment [23] on rspa.2025.0413 [12] and answered in arXiv:2605.20443 [11], the same author of [24] does not seem…Winfried Lohmiller, Jean-Jacques Slotine·Jul 16, 2026SaveLearn
Ensemble Engineering to Overcome Destructive Cancellation in Quantum MeasurementsOn noisy intermediate-scale quantum (NISQ) devices, expectation values of many observables are obtained through sampling-based approximations to trace-like quantities. A central limitation of this…Myeongsu Kim, Manas Sajjan, Sabre Kais·Jul 16, 2026SaveLearn
Random Access Codes: Explicit Constructions, Optimality, and Classical-Quantum GapsA random access code (RAC) encodes an L-bit string into a k-bit message, L>k, so that any requested bit can be recovered with high probability; a quantum RAC (QRAC) uses k qubits instead. We…Ruho Kondo, Yuki Sato, Hiroshi Yano et al.·Jul 16, 2026SaveLearn
Optimizing CMOS-compatible, superconducting titanium nitride resonators: Deposition conditions and structuring processesWe report on the fabrication and characterization of superconducting coplanar waveguide (CPW) resonators based on titanium nitride (TiN) thin films deposited on 200\,mm diameter high-resistivity…Simon J. K. Lang, Alexandra Schewski, Ignaz Eisele et al.·Jul 16, 2026SaveLearn
Spectral signatures of nonstabilizerness and criticality in infinite matrix product statesWhile nonstabilizerness (''magic'') is a key resource for universal quantum computation, its behavior in many-body quantum systems, especially near criticality, remains poorly…Andrew Hallam, Ryan Smith, Zlatko Papić·Jul 16, 2026SaveLearn
Designing quantum technologies with a quantum computerInteracting spin systems in solids underpin a wide range of quantum technologies, from quantum sensors and single-photon sources to spin-defect-based quantum registers and processors. We develop a…Juan Naranjo, Thi Ha Kyaw, Gaurav Saxena et al.·Jul 16, 2026SaveLearn
Simple broadband signal detection at the fundamental limitBroadband detection of a weak oscillatory field with unknown carrier frequency underlies magnetometry, axion searches and gravitational-wave sensing. We show that the Grover-like integration-time…Anthony M. Polloreno, Graeme Smith·Jul 16, 2026SaveLearn
Universal Operational Privacy in Distributed Quantum SensingPrivacy is a fundamental requirement in distributed quantum sensor networks, where multiple clients estimate spatially distributed parameters using shared quantum resources while interacting with…Min Namkung, Dong-Hyun Kim, Seongjin Hong et al.·Jul 16, 2026SaveLearn
Fermion Doubling in Dirac Quantum WalksWe consider discrete spacetime models known as quantum walks, which can be used to simulate Dirac particles. In particular we look at fermion doubling in these models, in which high momentum states…Chaitanya Gupta, Anthony J. Short·Jul 16, 2026SaveLearn
Surface Optimization of Superconducting Aluminum Resonators for Robust Quantum Device FabricationAluminum (Al) remains the central material for superconducting qubits, and considerable effort has been devoted to optimizing its deposition and patterning for quantum devices. However,…Simon J. K. Lang, Ignaz Eisele, Alwin Maiwald et al.·Jul 16, 2026SaveLearn
Mixed-State Phase Transitions in Measurement-Dressed Imaginary-Time EvolutionMotivated by the ubiquity of decoherence in quantum hardware and the growing role of imaginary-time evolution (ITE) in quantum algorithms, we investigate how many-body correlations generated by…Yi-Ming Ding, Zenan Liu, Xu Tian et al.·Jul 16, 2026SaveLearn
Quantum Nonlocality under Latency ConstraintsBell inequalities are bounds on the correlations between different parties obeying a local hidden variable theory. Here, "local" refers to spacetime locality: the parties cannot communicate…Dawei Ding, Zhengfeng Ji, Pierre Pocreau et al.·Jul 16, 2026SaveLearn
Photon quantum mechanics with a position observableWe second quantize an explicitly Lorentz invariant lagrangian density and derive a theory of photon quantum mechanics. The one photon Hilbert space is the vector space of normalizable positive…Margaret Hawton·Jul 16, 2026SaveLearn
High-fidelity two-qubit gates with transmon qubits using bipolar flux pulses and tunable couplersHigh-fidelity two-qubit gates are essential for scalable quantum computing. We present a scheme based on superconducting transmon qubits and a control pulse delivery protocol that enables arbitrary…Nikita S. Smirnov, Aleksei R. Matanin, Anton I. Ivanov et al.·Jul 16, 2026SaveLearn
Programmable Quantum-Like bits from Signed Regular GraphsExtending upon observations of the emergence of quantum-like (QL) states from classical complex synchronized networks, this work adds mathematical rigor to the analysis of single QL bits constructed…Ethan Dickey, Abhijeet Vyas, Sabre Kais·Jul 16, 2026SaveLearn
Quantum accessible information and classical entropy inequalitiesComputing accessible information for an ensemble of quantum states is a basic problem in quantum information theory. We show that the recently obtained optimality criterion (A.S. Holevo, Lobachevskii…A. S. Holevo, A. V. Utkin·Jul 16, 2026SaveLearn
Efficient Multi-basis Quantum Position Verification Secure against Generalized AdversariesQuantum position verification (QPV) enables multiple verifiers to certify a prover's location using quantum communication and physical assumptions. With experimental demonstrations of QPV…Wen Yu Kon, Ignatius William Primaatmaja, Kaushik Chakraborty et al.·Jul 16, 2026SaveLearn
Quantum-to-classical transition and the emergence of trajectory level Darwinism with measurements distributed in time: a path integral approachWe present a formulation for the emergence of classical dynamics in a quantum world using a path integral approach that incorporates continuous measurements. Our approach complements decoherence and…Harsh Arora, Bishal Kumar Das, Baladitya Suri et al.·Jul 16, 2026SaveLearn
phase2: Full-State Vector Simulation of Quantum Time Evolution at ScaleClassical simulation of quantum computers is essential for designing and benchmarking quantum algorithms. Here we present phase2, a full-state-vector simulator optimised for sequences of many-qubit…Marek Miller, Jakob Günther, Freek Witteveen et al.·Jul 16, 2026SaveLearn
Continuous-Variable Quantum Key Distribution with Composable Security and Tight Error Correction Bound towards Constrained-Device ImplementationsConstrained devices, such as smart sensors, wearable devices, and Internet of Things nodes, are increasingly prevalent in society and rely on secure communications to function properly. These devices…Panagiotis Papanastasiou, Carlo Ottaviani, Stefano Pirandola et al.·Jul 16, 2026SaveLearn
Gibbs state preparation for commuting Hamiltonian: Mapping to classical Gibbs samplingGibbs state preparation, or Gibbs sampling, is a key computational technique extensively used in physics, statistics, and other scientific fields. Recent efforts for designing fast mixing Gibbs…Yeongwoo Hwang, Jiaqing Jiang·Jul 16, 2026SaveLearn
Critical quantum metrology beyond adiabaticity in collectively pumped superradianceCritical metrology relies on the high sensitivity of systems to parameter changes near a phase transition to extract information with high precision. Such methods usually require working under…Yoav Shimshi, Ephraim Shahmoon·Jul 16, 2026SaveLearn
A framework of partial error correction for intermediate-scale quantum computersAs quantum computing hardware steadily increases in qubit count and quality, one important question is how to allocate these resources to mitigate the effects of hardware noise. In a transitional era…Nikolaos Koukoulekidis, Samson Wang, Tom O'Leary et al.·Jul 16, 2026SaveLearn
Shielded RL for Route-Charged Parity-Term Ordering in QEDA Phase ComponentsCommuting phase terms in quantum electronic design automation (QEDA) placement circuits are logically invariant under reordering, yet their routed cost varies substantially after hardware mapping,…Owen Friedewald, Ali Shiri Sichani, Chi-Ren Shyu·Jul 15, 2026SaveLearn
Efficient quantum algorithm for Heisenberg spin systemsWe consider a broad family of Heisenberg-type quantum spin systems that were studied by Suzuki and Fisher in 1971. This family includes, for example, the Heisenberg antiferromagnet on any bipartite…Sergey Bravyi, David Gosset, Yinchen Liu et al.·Jul 15, 2026SaveLearn