Beyond mean-field dynamics of the Dicke model with non-Markovian dephasingWe present a density matrix-based time dependent projection operator formalism to calculate the beyond mean-field dynamics of systems with non-Markovian local baths and one-to-all interactions. Such…Anqi Mu, Nathan Ng, Andrew J. Millis et al.·Jul 26, 2026SaveLearn
On the quantum computational complexity of classical linear dynamics with geometrically local interactions: Dequantization and universalityThe simulation of large-scale classical systems in exponentially small space on quantum computers has gained attention. The prior work demonstrated that a quantum algorithm offers an exponential…Kazuki Sakamoto, Keisuke Fujii·Jul 26, 2026SaveLearn
Impact of Amplitude and Phase Damping Noise on Quantum Reinforcement Learning: Challenges and OpportunitiesQuantum machine learning (QML) is an emerging field with significant potential, yet it remains highly susceptible to noise, which poses a major challenge to its practical implementation. While…María Laura Olivera-Atencio, Lucas Lamata, Jesús Casado-Pascual·Jul 26, 2026SaveLearn
Stabilizer Ranks, Barnes Wall Lattices and Magic MonotonesIn 2024, Kliuchnikov and Schönnenbeck showed a connection between the Barnes Wall lattices, stabilizer states and Clifford operations. In this work, we study their results and relate them to the…Amolak Ratan Kalra, Pulkit Sinha·Jul 26, 2026SaveLearn
Quantum Error Source and Channel CodingQuantum error correction draws many of its principles and constructions from classical coding theory, adapted to the unique aspects of quantum mechanics. Here we extend this correspondence to a block…Dennis Lucarelli·Jul 26, 2026SaveLearn
Information-theoretic limits on undetectable parameter-estimation attacks in continuous-variable quantum key distributionWe formalize side-channel detection in Gaussian-modulated continuous-variable quantum key distribution (CV-QKD) as a certificate-forgery hypothesis test and identify its detectability with an…Agung Trisetyarso, Lenny Putri Yulianti, Kridanto Surendro·Jul 25, 2026SaveLearn
Wave-functional formulation of dissipative CSL modelsWe formulate minimal and dissipative Continuous Spontaneous Localization (CSL) dynamics in the functional Schrödinger representation for a non-relativistic bosonic field. In this framework, the…Y. M. P. Gomes·Jul 25, 2026SaveLearn
Gravitational acceleration encoded in Jaynes Cummings exchange frequencies: Quantum Fisher information, readout, and validity conditionsWe derive an effective trapped atom--cavity model in which a constant gravitational acceleration shifts the oscillator equilibrium and changes the local standing-wave coupling, thereby encoding the…Salman Sajad Wani, Mughees Ahmed Khan, Mohammad Haris Khan et al.·Jul 25, 2026SaveLearn
Performance of Krotov, PRONTO and PINN for optimal control of quantum gatesAchieving scalable quantum computing demands high-fidelity operations capable of mitigating population leakage into non-computational states. Physics-Informed Neural Networks (PINNs) have recently…Martín D. Jiménez, Murilo D. Forlevesi, Emanuel F. de Lima et al.·Jul 25, 2026SaveLearn
Nested Integral Generator Theorem: From Operator Tautologies to Families of Exact Integral IdentitiesInserting resolutions of the identity is a standard technique for representing states and operators throughout quantum theory, quantum field theory, and related areas of mathematical physics. This…Ghasem Asadi Cordshooli·Jul 25, 2026SaveLearn
Finite-Time Optomechanical Cooling by Multi-Exceptional-Point BraidingCooling a mechanical mode in finite time is a routing problem: excitation must reach a lossy mode before thermal noise rebuilds the population. Exceptional points are non-Hermitian degeneracies at…Borhan Ahmadi·Jul 25, 2026SaveLearn
Irreducible Architectures of Multipartite EntanglementMultipartite entanglement is commonly characterized by scalar notions such as separability and entanglement depth, which do not resolve the distribution of entangled cluster sizes. For mixed states,…Augusto Smerzi, Manuel Gessner·Jul 25, 2026SaveLearn
Digital techniques for the frustrated Ising ring: the role of counter-diabatic termsWe investigate the role of local counter-diabatic (CD) terms in enhancing the performance of discrete-time digital protocols for a frustrated Ising ring, a system with an exponentially small spectral…Kiran Thengil, Vincenzo Roberto Arezzo, Giuseppe E. Santoro·Jul 25, 2026SaveLearn
The Ruskai-Audenaert conjecture & equipartitions of positive operatorsSeveral open problems in quantum information theory can be formulated as equipartition problems for positive operators, asking for a decomposition into bounded-rank positive parts under uniform…Niranjan Kumar, Michael M. Wolf·Jul 25, 2026SaveLearn
Loss and distinguishability effects in heralded entangled state generation with Gaussian resourcesThe effects of optical loss and photon distinguishability on the heralded generation of entangled states based on Gaussian resources are quantitatively investigated. By incorporating mode-dependent…Yun-Long Cao, Xiao-Ye Xu, Wiwittawin Sukmas et al.·Jul 25, 2026SaveLearn
Characterizing Arbitrary Lindbladian Dynamics with a Few Pauli MeasurementsQuantum devices are open systems whose dynamics interleave coherent evolution with dissipation, and benchmarking, error mitigation, and error correction all rest on a faithful model of both. Existing…Taiqi Zhou, Weiyuan Gong·Jul 25, 2026SaveLearn
Revisiting the invariant ring of two-qubit mixed statesLocal unitary equivalence serves as the cornerstone for classifying entanglement in bipartite quantum systems. Mathematically, it reduces to the study of polynomial invariants of the density matrix…Bing Xie, Lin Zhang·Jul 25, 2026SaveLearn
Parameter Calibration for Reduced-Bandwidth Two-Photon Waveguide-QED SimulationsWaveguide-QED platforms represent one potential approach to scalable quantum technologies, but their simulation remains computationally demanding due to the large number of frequency modes required…Romain Piron, Akihito Soeda·Jul 25, 2026SaveLearn
A Resource Estimation Model for the Hardware-Software Co-Design of Distributed Quantum ArchitecturesIn distributed quantum computing (DQC), executing monolithic quantum circuits across multiple interconnected quantum processing units (QPUs) requires dedicated communication qubits to generate and…Raymond P. H. Wu, Chathurika Ranaweera, Sutharshan Rajasegarar et al.·Jul 25, 2026SaveLearn
Theory of approximate quantum error correction and the error-set modelWe develop a theory of approximate quantum error correction (QEC) based on the error-set model, complemented by general methods for code construction. Exact QEC has a powerful error-set structure: by…Dor Elimelech, Victor V. Albert, Alexander Barg·Jul 25, 2026SaveLearn
Interpreting Quantum Learning Models via Stochastic ProcessesQuantum machine learning models define probabilistic input--output maps through coherent quantum evolution and measurement. While such models can exhibit computational advantages, their internal…Johannes Fankhauser, Lukas J. Fiderer, Hans J. Briegel·Jul 25, 2026SaveLearn
On the origin of finite entanglement scalingThe concept of finite entanglement scaling forms one of the pillars on which the tensor network ecosystem is built. In this paper, we resolve the open problem of determining the actual perturbations…Luke Hodgkiss, Laurens Lootens, Atsushi Ueda et al.·Jul 25, 2026SaveLearn
Routing Techniques for Error-Corrected Silicon Spin Qubit Quantum ArchitecturesSilicon spin qubits have emerged as a promising qubit technology due to their favorable scaling and fabrication properties. However, efficiently compiling quantum circuits onto spin qubit platforms…Julian Shen, Ludwig Schmid, Robert Wille·Jul 25, 2026SaveLearn
Stabilizer entropy is trustworthy for mixed statesQuantifying non-stabilizerness in mixed states is provably intractable, as any strict monotone requires superexponential time. We propose a linear Stabilizer Entropy that acts as a proper…Gianluca Esposito, Michele Viscardi, Alioscia Hamma·Jul 25, 2026SaveLearn
A High-Performance Pauli-Algebra Framework for Large-Scale Quantum SimulationsEfficient manipulation of Pauli-algebraic objects is a key bottleneck in the classical emulation and benchmarking of quantum algorithms for chemistry and many-body physics. This bottleneck appears in…Xiaopeng Li, Zhijie Sun, Yi Fan et al.·Jul 25, 2026SaveLearn