A Dynamical Lie-Algebraic Framework for Hamiltonian Engineering and Quantum ControlDetermining the unitary dynamics accessible from finite Hamiltonian resources is a central problem in Hamiltonian engineering and quantum control. Dynamical Lie algebras (DLAs) connect available…Yanying Liang, Ruibin Xu, Mao-Sheng Li et al.·Jul 19, 2026SaveLearn
Detecting Initial System-Environment Correlations from a Single ObservableWe address the problem of detecting initial system--environment correlations when the environment is not directly accessible. Most existing approaches rely on full state tomography or multiple system…Ali Abu-Nada, Russell Ceballos, Lian-Ao Wu·Jul 19, 2026SaveLearn
Perturbation Theory and the Quantum Rabi-modelIn the first part of the paper we study a perturbative model of the Rabi system of Quantum Optics. We are therefore able to describe, through Rellich's theory, an analytic expansion of finite…Marcello Malagutti, Alberto Parmeggiani·Jul 19, 2026SaveLearn
Broken Detailed Balance and Entropy Production in CPTP Quantum Brownian MotionWe rigorously analyze the non-equilibrium thermodynamic behavior of various formulations of quantum Brownian motion (QBM) using the framework of stochastic thermodynamics. While the widely used…Simone Artini, Gabriele Lo Monaco, Alberto Imparato et al.·Jul 19, 2026SaveLearn
Do mixed states exhibit deep thermalisation?Deep thermalisation -- where ensembles of pure states on a local subsystem, conditioned on measurement outcomes on its complement, approach universal maximum-entropy ensembles -- represents a…Alan Sherry, Sthitadhi Roy·Jul 19, 2026SaveLearn
Attosecond current control and timing in a scanning tunnelling microscopeQuantum tunnelling of electrons can be confined to the sub-cycle time scale of strong light fields, contributing decisively to the extreme time resolution of attosecond science. Because tunnelling…Daniel Davidovich, Boyang Ma, Adi Goldner et al.·Jul 19, 2026SaveLearn
Spin-current correlations in photoionization of chiral moleculesChirality-induced spin selectivity (CISS) refers to phenomena where molecular chirality governs spin polarization. While symmetry simply requires chiral molecules to support spin-vector correlations,…Philip Caesar M. Flores, Stefanos Carlström, Serguei Patchkovskii et al.·Jul 19, 2026SaveLearn
A partition function framework for estimating logical error curves in stabilizer codesBased on the mapping between stabilizer quantum error correcting codes and disordered statistical mechanics models, we define a ratio of partition functions that measures the success probability for…Leon Wichette, Hans Hohenfeld, Elie Mounzer et al.·Jul 19, 2026SaveLearn
Electron dynamics induced by quantum cat-state lightWe present an effective theory for describing electron dynamics driven by an optical external field in a Schrödinger's cat state. We show that the reduced electron density matrix evolves as an…Shohei Imai, Atsushi Ono, Naoto Tsuji·Jul 19, 2026SaveLearn
Efficiently stable presentations from error-correcting codesWe introduce a notion of efficient stability for finite presentations of groups. Informally, a finite presentation using generators S and relations R is stable if any map from S…Michael Chapman, Thomas Vidick, Henry Yuen·Jul 19, 2026SaveLearn
Encoding Choices and Fault-Tolerant Resource Estimates for Digital Quantum Hamiltonian DescentQuantum Hamiltonian descent (QHD) formulates continuous optimization as time-dependent quantum dynamics, where a kinetic term drives exploration and a potential term encodes the objective function.…Chenxu Liu, Meng Wang, Mingze Li et al.·Jul 18, 2026SaveLearn
Entanglement Quantification via Symmetric Extensions: A Resource Theory HierarchyWe introduce a hierarchy of entanglement measures Ek based on k-symmetric PPT extensions. Each Ek, defined via a minimal eigenvalue shift and computed by semidefinite programming, is faithful,…Enmin Shao, Lin Chen, Huixia He·Jul 18, 2026SaveLearn
Operational Relation Between One-Time and Two-Time Work Protocols and Measurement-Resolution-Induced Transitions in Quantum Work StatisticsWe establish a direct operational connection between the one-time measurement (OTM) and two-time measurement (TTM) protocols for quantum work statistics, showing that OTM work values, including…Daniel Alonso, Antonia Ruiz-García·Jul 18, 2026SaveLearn
Bound, Scattering, and Resonance States of the Symmetric Woods--Saxon Potential in Dunkl Quantum MechanicWe present the first unified analytical description of the bound, scattering, and Gamow (metastable) resonance states of the one-dimensional symmetric Woods--Saxon potential within the framework of…Mebarek Heddar, Can Ertuğay, Bekir Can Lütfüoğlu·Jul 18, 2026SaveLearn
A Reponse to the Sheldon Goldstein Objection to a Series of Covariant Relativistic Bohmian ModelsIn this work we try to answer a very important objection to the Covariant Bohmian Models type Nikolić and Hernández-Zapata that was formulated by the american physicist Sheldon Goldstein (private…Sergio Hernández-Zapata, Gerardo Ruiz-Chavarría·Jul 18, 2026SaveLearn
Precision dynamics of resonantly enhanced optical parametric amplifiersOptical parametric amplification is a crucial technology for the production of continuous-wave squeezed vacuum, which is now applied to gravitational-wave interferometry and other highly sensitive…Evan D. Hall·Jul 18, 2026SaveLearn
Bargmann invariants and local unitary equivalenceIn this paper, we study the local unitary equivalence of quantum states on Cnn, which is an important notion in quantum information theory. For the case n=2, the local…Minghui Ma, Rui Shi·Jul 18, 2026SaveLearn
Beyond Orbital Rotations: Correlation-Rank Limits and Clifford-Accessible Measurement, from Algebra and Global OptimizationAlgebra and RANGE global optimization play complementary, explicitly separated roles in identifying measurement structure beyond orbital rotations. In the fixed (1,1)-particle sector of two spatial…Federico Zahariev, Vanda Glezakou·Jul 18, 2026SaveLearn
Certified Optimal Measurement Reduction over Quantum Context LandscapesQuantum-measurement reduction contains two distinct global-optimization layers: a continuous problem of splitting an observable and allocating shots within a fixed measurement dictionary, and a…Federico Zahariev, Vanda Glezakou·Jul 18, 2026SaveLearn
Experimental Nanoscale ThermodynamicsModern fabrication techniques have allowed artificial systems to be constructed on a nanometre length scale. The ideas underlying thermodynamics, a field invented to describe large macroscopic…G. Andrew D. Briggs, Jörg Schmiedmayer·Jul 18, 2026SaveLearn
Universal Parent Hamiltonians for Adiabatic Warm StartsComputing the ground state properties of quantum systems is an important potential application of quantum computing. The success probability of quantum phase estimation approaches to ground state…Feng Qian, Peter J. Love·Jul 18, 2026SaveLearn
Attosecond delay metrology beyond the photon coherence time with spectrally resolved Hong-Ou-Mandel interferometryHong-Ou-Mandel (HOM) interferometry enables delay estimation at the quantum precision limit but is traditionally constrained to path differences within the coherence time of the interfering photons.…Yingwen Zhang, Kyle Jordan, Duncan England et al.·Jul 18, 2026SaveLearn
Geometric Qubits in Programmable Atomic TrimersMotivated by programmable tweezer arrays, we develop an exactly solvable shape-space theory for near-equilateral atomic trimers. The Higgs oscillator on Kendall's shape sphere gives a nonresonant…Julien Garaud, Antti J. Niemi·Jul 18, 2026SaveLearn
Removing inhomogeneous broadening in cross-relaxation spectra via hole burningQuantum relaxometry based on nitrogen-vacancy (NV) centers in diamond is an easy-to-use technique that detects magnetic noise by measuring the longitudinal relaxation of NV centers. It is favored in…Fei Kong, Zhehua Huang, Zhengze Zhao et al.·Jul 18, 2026SaveLearn
Shortcuts to adiabaticity in five-level systems using counter-diabatic driving and time-rescaling optimizationShortcuts to adiabaticity (STA) is a common protocol to realize high-fidelity and robust quantum control in various quantum systems. To date, STA has been widely applied in two- and three-level…Jiahui Zhang, Wenyuan Wang, Fuquan Dou·Jul 18, 2026SaveLearn