Quantum Snapshots Reveal a Compact Conformal Boundary ModeA projective measurement of a many-body state produces a microscopic snapshot, usually viewed as random classical data. We show that partial occupation snapshots of the critical XX chain contain a…M. A. Rajabpour·Aug 14, 2026SaveLearn
Geometric-phase control of Krylov complexity in adiabatic dynamicsWe show that geometric phases accumulated during adiabatic evolution can be converted into observable interference in Krylov space, leading to a geometric-phase-dependent Krylov oscillation.…Han-Qi Zheng, Peng-Zhang He, Lei-Hua Liu et al.·Aug 14, 2026SaveLearn
Qu-Trefoil: Large-Scale Quantum Circuit Simulator Working on FPGA With SATA StoragesQuantum circuits are fundamental components of quantum computing, and state-vector-based quantum circuit simulation is a widely used technique for tracking qubit behavior throughout circuit…Kaijie Wei, Hideharu Amano, Ryohei Niwase et al.·Aug 14, 2026SaveLearn
SymQuPS: Symbolic Quantum Phase Space Algebra in PythonWe present SymQuPS, a SymPy-based algebra system in Python mainly aimed toward the phase space representation of quantum mechanics within the Cahill-Glauber formalism (including the…Hendry M. Lim, Donny Dwiputra, Ahmad R. T. Nugraha·Aug 14, 2026SaveLearn
Exchange-only qubit stabilized by a single-spin qubitHybrid approaches that combine different spin qubit encodings offer promising advantages. In particular, the additional degrees of freedom available in exchange-only qubits and their extensions…Irina Heinz, Mira Sharma, Joris Kattemölle·Aug 14, 2026SaveLearn
Foundation Neural Effective Hamiltonian for Strongly Correlated Quantum MaterialsSimulating strongly correlated quantum materials often involves not a single Hamiltonian, but a family of Hamiltonians whose ground states evolve across experimentally tunable couplings. Foundation…Lixing Zhang, Hongjie Jiang, Di Luo·Aug 14, 2026SaveLearn
Synthesizing In-Bulk Topological Corner States via Giant AtomsCorner states in higher-order topological insulators are typically confined to geometric corners, limiting their flexibility for scalable quantum information processing. We propose a scheme to…Zhao-Min Gao, Xin Wang·Aug 14, 2026SaveLearn
Local geometry for Schmidt number witnessesSuppose that FE is the face of the convex set of all m n bi-partite states which consists of states with ranges contained in a subspace E. For generic subspaces E with a specific…Young-Hoon Kiem, Seung-Hyeok Kye·Aug 14, 2026SaveLearn
The Organization of Environmental Coupling Shapes What Quantum Reservoirs RememberFor an open quantum reservoir, how the system forgets is part of how it computes. Quantum reservoir computing processes input streams with fixed quantum dynamics and trains only a linear readout.…Markus Baumann, Itamar Fink, Johannes Wittmann et al.·Aug 14, 2026SaveLearn
Classical Limits of Spectral Filtering in Quantum Generative ModelsSpectral filtering has been proposed as a route to regularization in quantum generative models: the quantum Fourier transform exposes the amplitude spectrum of a quantum circuit Born machine, and a…Marco Roth·Aug 14, 2026SaveLearn
Photonic Quantum Computing vs. Classical Solvers in Constrained Factor Portfolio OptimizationThe authors present a rigorous empirical evaluation of three distinct optimization paradigms for institutional factor portfolio construction: an entropy-based photonic quantum annealer (Dirac-3,…Nirvik Sahoo, Chyng Wen Tee, Paul Robert Griffin·Aug 14, 2026SaveLearn
A groupoidal approach to quantum reference framesWe develop the kinematical and operator-algebraic foundations of a groupoid-based relational quantum field theory (RQFT) on curved spacetimes. Indeed, the usual group-based quantum reference frame…Samuel Fedida, Alberto Ibort, Arnau Mas-Dorca·Aug 14, 2026SaveLearn
Entanglement certification via causal-order interferometry in a quantum switchEntanglement certification is often performed on states that have already undergone noisy transmission or processing. Noise can reduce the surviving entanglement and can also cause a given criterion…Haojie Wang, Shuheng Liu, Qiongyi He·Aug 14, 2026SaveLearn
Information-Calibrated Quantum Diffusion: Aligning Forward Noise with Reverse RecoverabilityQuantum diffusion models typically parameterize forward corruption by raw channel strength, even though this parameter does not directly quantify how much ensemble information is erased or how…Qipeng Qian, Yuntao Qian·Aug 14, 2026SaveLearn
Global structure and holonomy of conserved resolutions in the cylindrical Dirac doubletCylindrical Dirac modes underlie constructions in rotating QCD matter, boost-invariant Dirac-field quantization in heavy-ion physics, and high-energy twisted-particle scattering. The corresponding…Zhongze Guo, Bei Xu, Qiang Gu·Aug 14, 2026SaveLearn
Circuit Depth Compression via Spectral Gap Amplification in Quantum Phase EstimationWe show that quantum phase estimation (QPE) circuits can be significantly compressed in depth by preprocessing the input operator with a sigmoid spectral filter before estimation. For systems with…Sk Mujaffar Hossain, Satadeep Bhattacharjee·Aug 14, 2026SaveLearn
Limits of independent and identical measurements for quantum illumination with an unknown return phaseQuantum illumination exploits entanglement between a transmitted signal and a retained idler to improve the error-probability exponent of target detection by roughly a factor of four (6 dB) over that…Ko Shiraiwa, Shingo Kukita·Aug 14, 2026SaveLearn
Neural decoders for subsystem many-hypercube codesTo maximize the potential of quantum error-correcting codes, it is essential to develop high-performance decoders. The subsystem many-hypercube (MHC) codes have been developed to achieve both high…Ryota Nakai, Hayato Goto·Aug 14, 2026SaveLearn
Maximizing Nonclassicality of Massive Objects via Quantum Zeno EffectFor testing quantum mechanics in the macroscopic domain, a major challenge is to devise effective means for enhancing the observable nonclassical signatures despite the ubiquitous presence of…Debarshi Das, Pritam Roy, Marko Toroš et al.·Aug 14, 2026SaveLearn
Robust Quantum Extremal NumbersAbsolutely maximally entangled states require every reduction of at most half of the parties to be maximally mixed, a condition that is both rigid and often impossible for qubit systems. Previous…Wanchen Zhang, Zicheng Han, Xiande Zhang·Aug 14, 2026SaveLearn
de Broglie-Bohm Dynamics with Schrödinger Source Fields: A Framework for Subquantum TheoryWe extend de Broglie--Bohm (dBB) pilot-wave theory by introducing a complex source field into the Schrödinger equation and examining its effects on quantum equilibrium and nonequilibrium dynamics. In…Said Mikki·Aug 14, 2026SaveLearn
Nonorthogonal-state erasure as the resource behind apparent second-law violationsPerfect deterministic distinguishing of nonorthogonal quantum states is forbidden by the linear and unitary structure of quantum mechanics. It has often been assumed that, if such distinguishing were…Xinshu Xia, Hui Hui Qin, Yu-Han Ma et al.·Aug 14, 2026SaveLearn
Resource-efficient quantum eigenvalue transform with commutator scalingWe develop quantum algorithms for estimating properties of general matrix functions of Hermitian matrices, with applications to phase estimation, Green's function evaluation, and estimating…Arul Rhik Mazumder, James D. Watson, Samson Wang·Aug 14, 2026SaveLearn
Quantum Processes under Epistemic ConstraintsThis doctoral dissertation on the foundations of quantum theory isolates and then formalizes a physically relevant concept that I have called "Epistemic Constraint." Here, epistemic…Varun Immanuel·Aug 13, 2026SaveLearn
Observable Scaling Hierarchies in Multiphoton Dissipative Quantum SensingWe investigate how quantum correlations in squeezed driving fields determine scaling laws in dissipative multiphoton quantum sensing. Independently squeezed fields yield factorized scaling,…Shahram Panahiyan·Aug 13, 2026SaveLearn