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
Suppressing errors in analog logical rotation gates via balanced fusionThere have been a number of recent proposals to use analog logical rotations in early fault-tolerant quantum algorithms. Existing proposals implement a logical rotation by angle ϕ, with error…Sam McArdle, Alexander M. Dalzell, Fernando G. S. L. Brandão·Jul 22, 2026SaveLearn
Fermionic Genuine Multiparty EntanglementEntanglement can show fundamentally different behavior in fermionic systems. However, while bipartite measures of fermionic entanglement have been established, genuine multiparty entanglement (GME)…James Allen, Liuke Lyu, William Witczak-Krempa·Jul 22, 2026SaveLearn
Bistability of Exciton-Photon Microcavities in the Ultrastrong-Coupling RegimeWe investigate a coherently driven exciton--photon microcavity with Kerr nonlinearity in the ultrastrong-coupling regime. When the lower and upper polariton branches are well separated in energy, the…Rashed Aljasmi, Hisham Sati, Hichem Eleuch·Jul 22, 2026SaveLearn
Finite Key Underwater Quantum Key Distribution: Performance Analysis and ImprovementsQuantum key distribution (QKD) allows for the establishment of a secret key between two parties, secure against computationally unbounded adversaries. Most experimental and theoretical research in…Trevor Thomas, Michael Warnock, Sarah Previte et al.·Jul 22, 2026SaveLearn
Detecting Hidden Nonlinear High Frequency Modes Beyond Fundamental Minimal Temporal Resolution Using Weak MeasurementsIn this work we study whether nonlinear models of quantum mechanics can avoid detection by strong measurements, if the nonlinear effects only exist as high frequency modes. A potential physical…Igor Prlina·Jul 22, 2026SaveLearn
HI-QDC: An Isometric Modular Scalable Architecture for Quantum Data CentersServer-centric quantum data-center architectures offer scalability by distributing communication tasks across QPUs rather than concentrating complexity in a centralized switching core. However,…Mohadeseh Azari, Anoosha Fayyaz, Amy Babay et al.·Jul 22, 2026SaveLearn
Learning the closest Slater determinantLearning compact, interpretable descriptions of quantum many-body states is an important task in quantum science. We study the task of learning the Slater determinant with maximum fidelity to an…Nisarga Paul, Haimeng Zhao, David D. Dai·Jul 22, 2026SaveLearn
Perturbatively Stable Self-Correcting Classical Memory from Gauge AveragingWe show that the self-correcting memory in 3d Wegner gauge theory is stable to arbitrary small enough perturbations of the Hamiltonian. Our proof relies on a new method we dub ``gauge…Ryan Thorngren·Jul 22, 2026SaveLearn
Autonomization of Quantum Systems and the Emergence of the Work OperatorEstimation of work at the quantum scale remains a central challenge in quantum thermodynamics. Canonical approaches have a fundamental drawback: they assume classical control of the quantum system,…Carlo Cepollaro, Danial Chughtai, Alberto Spalvieri et al.·Jul 22, 2026SaveLearn
Machine-Learned Compact Subspace Generation for Quantum Selected Configuration Interaction within Density Matrix Embedding FrameworkSample-based Quantum Diagonalization (SQD), an extension of Quantum Selected Configuration Interaction (QSCI), has emerged as a promising hybrid quantum-classical paradigm for computing molecular…Ashish Kumar Patra, Anurag K. S. V., Ruchika Bhat et al.·Jul 22, 2026SaveLearn
Efficiently Simulable Pauli Correlation EncodingPauli Correlation Encoding (PCE) is a heuristic framework for binary optimisation that encodes classical variables into many-body Pauli observables. While PCE requires fewer qubits than other…Daniele Lizzio Bosco, Gabriel Matos, Chen-Yu Liu et al.·Jul 22, 2026SaveLearn