Tensor network characterization and mitigation of readout errorsReadout errors are a major bottleneck to extracting reliable information from near-term quantum processors, especially when spatial correlations are non-negligible. We present a unified…Yuchen Guo, Shuo Yang·Jul 23, 2026SaveLearn
Graph Reinforcement Learning for Calibration-Aware Quantum Circuit RoutingQuantum circuit routing is a key step in compiling programs for noisy intermediate-scale quantum processors, particularly superconducting devices whose sparse fixed coupling makes routing a central…Yash Vardhan Tomar, Dheeraj Peddireddy·Jul 23, 2026SaveLearn
The Born Rule for Projective Measurements from Metric Non-Expansion and CalibrationWhy should a calibrated quantum measurement report Born probabilities? Fix a finite dimension d≥ 2 and a projective measurement M on Cd, and let PM be a map assigning outcome…Aaron Lax·Jul 23, 2026SaveLearn
Optimization of entanglement harvesting with arbitrary temporal profiles: the limit of second order perturbation theoryWe study the protocol of entanglement harvesting when two local probes couple to the vacuum of a real scalar quantum field with arbitrary temporal profiles. We use a Hermite expansion to efficiently…Marcos Morote-Balboa, T. Rick Perche·Jul 23, 2026SaveLearn
Connection-topology--dependent energy transport and ergotropy in quantum battery networks with reciprocal and nonreciprocal couplingsThe realization of scalable quantum battery architectures requires concern not only with how much energy can be stored, but also with how energy is transported, distributed, and converted into…Bing-Bing Liu, Rui Chen, Jin-Lei Wu et al.·Jul 23, 2026SaveLearn
Hamiltonian Benchmark of a Solid-State Spin-Photon Interface for ComputationLight-matter interfaces are pivotal for quantum computation and communication. While typically analyzed using single-mode or open-quantum-system approximations, these models often neglect multi-mode…Tejas Acharya, Loïc Lanco, Olivier Krebs et al.·Jul 23, 2026SaveLearn
Physical probability in the Everett interpretation and Bell inequalitiesI define a notion of locality LOC, closely modelled on Bell's principle of local causality, construed as the condition that single-case probabilities cannot be modified by actions at spacelike…Simon Saunders·Jul 23, 2026SaveLearn
Harnessing Environmental Memory with Reinforcement Learning in Open Quantum SystemsNon-Markovian quantum dynamics, characterized by information backflow from the environment to the system, has emerged as a potential resource for quantum technologies. A key challenge is therefore to…Safae Gaidi, Abdallah Slaoui, Mohammed EL Falaki et al.·Jul 23, 2026SaveLearn
Harnessing subspace controllability: Dynamical generation of Dicke states in Heisenberg-coupled qubit arrays with a single local controlWe explore the feasibility of realizing Dicke states in qubit arrays with always-on isotropic Heisenberg coupling between adjacent qubits, assuming a single Zeeman-type control acting in the z…Vladimir M. Stojanovic, Tommaso Calarco, Andrea Muratori·Jul 23, 2026SaveLearn
Decoherence challenges in Nanoscience: A Quantum Phase Space perspectiveQuantum decoherence is both the fundamental mechanism underlying the quantum-to-classical transition and a major challenge for the development of scalable nanoscale quantum technologies. This work…Ravo Tokiniaina Ranaivoson, Angelo Mamitiana Ralaikoto, Diary Lova Ratsimbazafy et al.·Jul 23, 2026SaveLearn
Subsystem entanglement and separability in quantum reference framesWe find a necessary condition for subsystems to become entangled after a quantum reference frame transformation. We then distinguish between subsystems that admit separable descriptions relative to a…T. Rick Perche, Natália Salomé Móller, Guilherme Franzmann·Jul 23, 2026SaveLearn
Critical re-examination of a recent challenge to Bohmian mechanicsWe re-analyze a recent experiment by Sharoglazova et al. highlighting the role of the transient regime. We prove that in the evanescent state of the stationary regime their experimental data can be…S. Di Matteo, C. Mazzoli·Jul 23, 2026SaveLearn
Partner-mode overlap as a symplectic-invariant measure of correlations in Gaussian quantum field theoriesWe introduce a locally symplectic-invariant quantifier of correlations between arbitrary bosonic Gaussian modes, with particular emphasis on quantum field theory. The quantity, denoted…Ivan Agullo, Eduardo Martín-Martínez, Sergi Nadal-Gisbert et al.·Jul 23, 2026SaveLearn
Finite-size clocks in quantum field theory and the twin paradoxVacuum fluctuations in quantum field theory impose fundamental limitations on our ability to measure time at arbitrarily short scales. To investigate the impact of universal quantum field theory…Matheus H. Zambianco, T. Rick Perche·Jul 23, 2026SaveLearn
QRTlib: A Library for Fast Quantum Real TransformsReal-valued transforms such as the discrete cosine, sine, and Hartley transforms play a central role in classical computing, complementing the Fourier transform in applications from signal and image…Armin Ahmadkhaniha, Lu Chen, Jake Doliskani et al.·Jul 23, 2026SaveLearn
Neural Guided Sampling for Quantum Circuit OptimizationTranslating a general quantum circuit on a specific hardware topology with a reduced set of available gates, also known as transpilation, comes with a substantial increase in the length of the…Bodo Rosenhahn, Tobias J. Osborne, Christoph Hirche·Jul 23, 2026SaveLearn
Quantum nonlocality without entanglement and state discrimination measuresAn ensemble of product states is said to exhibit "quantum nonlocality without entanglement" if it cannot be optimally discriminated using local operations and classical communication (LOCC).…Shayeef Murshid, Tathagata Gupta, Vincent Russo et al.·Jul 23, 2026SaveLearn
Coherent nonlinear optical probe for cavity-dressed vibrational mode mixing: Multidimensional double-quantum coherence and photon-echo spectroscopyCavity dressing of molecular vibrational dynamics expands the role of characteristic vibrations as spectroscopic markers of underlying ultrafast dynamics. Interacting vibrational modes exhibit a…Arunangshu Debnath·Jul 23, 2026SaveLearn
Quantifiers and witnesses for the nonclassicality of measurements and of statesIn recent work Phys. Rev. X 16, 021050, we proposed a unified notion of nonclassicality that applies to arbitrary processes in quantum theory, including individual quantum states, measurements, and…Yujie Zhang, Yìlè Yīng, David Schmid·Jul 23, 2026SaveLearn
Advancing Scientific Discovery and Complex Optimization through Distributed Quantum Neural NetworksOptimization problems are critical across various domains, yet existing quantum algorithms, despite their great potential, struggle with scalability and accuracy due to excessive reliance on…Seongmin Kim, In-Saeng Suh·Jul 23, 2026SaveLearn
Optimization of Connection Patterns between Mobile Phones and Base Stations using Quantum AnnealingIn current mobile networks, optimizing which base station a mobile phone in a particular area connects to is crucial for ensuring good communication quality for each mobile phone but presents a…Taisei Takabayashi, Shoichi Sudo, Toshihiro Aoki et al.·Jul 23, 2026SaveLearn
Hierarchically discriminating Haar-randomness in quantum states from a black-box deviceThe concept of randomness in quantum computing has been central to constructing benchmarking tools, cryptographic protocols, as well as a proof of beyond-classical computation. Discerning whether…Xavier Bonet-Monroig, Hao Wang, Adrián Pérez-Salinas·Jul 23, 2026SaveLearn
Entanglement groupsWe propose to define entanglement in terms of local unitary transformations acting on some parts of a system that can be undone by local unitary transformations acting on other parts. This leads to a…Xiaole Jiang, Daniel Kabat, Gilad Lifschytz et al.·Jul 23, 2026SaveLearn
Unconditional Quantum Advantage for Sampling with Shallow CircuitsRecent work by Bravyi, Gosset, and Koenig showed that there exists a search problem that a constant-depth quantum circuit can solve, but that any constant-depth classical circuit with bounded fan-in…Adam Bene Watts, Natalie Parham·Jul 23, 2026SaveLearn
The Global Geometry of the Gaussian Bures Manifold: Admissible Domain, Spectral Boundary, and Asymptotic ClassicalityWe construct the covariance-sector Bures geometry of centered bosonic Gaussian states from the Gaussian symmetric-logarithmic-derivative equation and determine its quantum-admissible domain. At the…Christian Kerskens·Jul 22, 2026SaveLearn