Time of arrival in the semiclassical regime for Gaussian wave packetsWe study the time-of-arrival (TOA) distribution of a Gaussian wave packet in the semiclassical regime for a general one-dimensional quadratic Hamiltonian, namely a forced harmonic oscillator with…Mathieu Beau, Maximilien Barbier, Vincent Bucourt·Jul 19, 2026SaveLearn
Environment-aware transverse transport geometry for non-Gaussian oscillator statesNon-Gaussian oscillator states are highly sensitive to weak perturbations, but reversible phase rotations and irreversible environmental changes should not be weighted equally. We introduce a…Arnaud Coatanhay, Angelique Dremeau·Jul 19, 2026SaveLearn
Conditioning on the Future: A Filtration-Theoretic Formalization of Wheeler's Participatory UniverseWheeler's delayed-choice experiments and the time-symmetric formalisms of quantum measurement have long fueled a debate over whether time symmetry in quantum theory entails retrocausality. We…Chon-Fai Kam, Kai-Wen Wong·Jul 19, 2026SaveLearn
Phase-Selective Amplitude Amplification for Constrained OptimizationThis work introduces a variant of Grover amplitude amplification using stabilizer and blade qubits to improve boosting robustness across objective distributions. We give geometric intuition, example…Massimiliano Cutugno·Jul 19, 2026SaveLearn
Broadband Polarization Compensation with Link Segment Reconstruction for Quantum Optical LinksPolarization-encoded quantum communication requires compensation of polarization transformations induced by the optical links. If the compensator is embedded between two channel segments, the…Qingyu Shi, Erwan Trad, Julien Chénedé et al.·Jul 19, 2026SaveLearn
Scaling law for optimal excitation storage and superradiant release in waveguide QED systemsDriven-dissipative quantum emitters provide a powerful platform for controllable excitation storage and release, with promising applications in quantum batteries and quantum storage. Yet, transient…Wei Chen, Kuan-Ting Lin, Guin-Dar Lin et al.·Jul 19, 2026SaveLearn
Chiral Entangled-State Generation through Dissipative Quantum DynamicsDissipation, though often detrimental to quantum entanglement, can be manipulated for the preparation of entangled states, wherein ingeniously designed quantum jump processes drive the system toward…Huixia Gao, Konghao Sun, Yiwen Han et al.·Jul 19, 2026SaveLearn
Truncated Wigner approximation for spins in continuous phase spaceWe review the truncated Wigner approximation (TWA) for spins as a computationally inexpensive numerical approximation method to describe interacting and / or dissipative many-body spin systems. Using…Jens Hartmann, Tom Schlegel, Viktoria Noel et al.·Jul 19, 2026SaveLearn
Continuous Time Quantum Walk Propagation for Irregular Temporal Graph ForecastingContinuous time quantum walks built on graph Laplacians produce non monotonic graph propagation features through quantum interference during evolution, which classical diffusion cannot achieve. Such…Jiaqi Sun, Tianhao Li, Zhihao Bian·Jul 19, 2026SaveLearn
Relativistic quantum teleportation protected by the anti-Unruh effectThe interaction of an accelerated observer with a quantum field can modify the entanglement and quantum information shared between observers, thereby affecting quantum communication in non-inertial…Reza Hamzehofi, Davood Afshar, Mehrzad Ashrafpour·Jul 19, 2026SaveLearn
Heralded Leakage Detection with Preserved Computational-State Coherence in a Fixed-Frequency TransmonLeakage out of the computational subspace is a major error mechanism in superconducting quantum processors. Detecting leakage without disturbing the encoded quantum information can provide a heralded…Takeaki Miyamura, Zhiling Wang, Peter A. Spring et al.·Jul 19, 2026SaveLearn
Multi-level Random-Telegraph Noise Mitigation using a Single Spectator QubitPreserving quantum coherence in the presence of environmental noise is one of the principal challenges for quantum technologies. Noise mitigation using spectator qubits (SQs) has recently emerged as…Yanan Liu, Hongting Song, Areeya Chantasri et al.·Jul 19, 2026SaveLearn
QBism LogicQBism interprets quantum theory as a normative discipline for an agent's probability assignments and their revision across possible experience. This paper develops a logical formalization of that…Kenji Tokuo·Jul 19, 2026SaveLearn
Blind Transpiler: An open-source library for universally blind and homomorphic quantum computationsBlind quantum computation is a cryptographic primitive that allows a limited-capability client to delegate its complex computation to a remote server without revealing its data and/or computation.…Mohit Joshi, Manoj Kumar Mishra, S. Karthikeyan·Jul 19, 2026SaveLearn
GHZ-Equivalent State Distribution in Quantum Networks: Reducing Decoherence and Quantum Resource ConsumptionThis study proposes a novel scheme for distributing GHZ-equivalent states across repeater-based quantum networks, with particular focus on the analysis and mitigation of decoherence effects during…Chun-Hsiang Wang, Chia-Wei Tsai·Jul 19, 2026SaveLearn
Against Many WorldsAny viable interpretation of quantum theory needs to account for the Born rule, from which the theory gets its probabilistic empirical predictions. In this paper, we give an overview of possible…Emily Adlam, Jacob A. Barandes·Jul 19, 2026SaveLearn
quchip: A Differentiable Toolkit for Modeling Quantum DevicesPredictive modeling of a superconducting quantum chip requires more than a Hamiltonian: the model must connect device physics, control-line transformations, chosen frames and approximations,…Ibraheem AlYousef·Jul 19, 2026SaveLearn
Rigorous characterization of continuous-variable quantum states via optical parametric amplifiersCharacterizing non-Gaussian quantum states is of paramount importance for continuous-variable quantum information processing, yet conventional homodyne-measurement-based state tomography remains…Manthan Badbaria, Fumiya Hanamura, Maxime Garnier et al.·Jul 19, 2026SaveLearn
Disjoint Bell measurements enable near-projective GHZ certificationCertifying multipartite entangled states is a basic task in quantum information processing, but the achievable copy complexity depends crucially on the measurements available to the verifier. The…Hyunho Cha, Jungwoo Lee·Jul 19, 2026SaveLearn
Physics-Informed Learning of Effective Error Processes from Limited Noisy Transmon Measurements for Robust QAOA ReliabilityWe study whether limited finite-shot calibration measurements from a hidden transmon-inspired simulator can be used to learn compact, task-relevant effective error models for variational-algorithm…Ebrahim Khaleghian, Özgür E. Müstecaplıoğlu·Jul 19, 2026SaveLearn
Analytic C_1 norm of Coherence Evolution for Bell States under a Two-Qubit Superconducting HamiltonianWe present the first exact analytic study of unitary coherence dynamics in a minimal two qubit superconducting system with zz-coupling and transverse Josephson tunneling. By deriving the full time…Seyed Mohsen Moosavi Khansari·Jul 19, 2026SaveLearn
Hamiltonian-Generated Dynamics and Quantum Resource Allocation in a 4-Qubit Isotropic Heisenberg Spin Ring with Adjustable Next-Nearest-Neighbor InteractionsThis investigation delivers a fully analytical solution for the unitary evolution of a four-qubit isotropic Heisenberg XXX ring with periodic boundary conditions and a tunable next-nearest-neighbor…Seyed Mohsen Moosavi Khansari·Jul 19, 2026SaveLearn
Entanglement cost in non-local quantum computationThis is a book-length treatment of the subject of non-local quantum computation (NLQC). NLQC is a method for implementing quantum operations that interact two systems without directly bringing the…Alex May·Jul 19, 2026SaveLearn
CVaR-Assisted Custom Penalty Function for Constrained OptimizationWe propose a slack-free penalty formulation for constrained binary optimization that eliminates auxiliary slack variables and preserves the feasibility structure of the original problem. The proposed…Xin Wei Lee, Hoong Chuin Lau·Jul 19, 2026SaveLearn
Pulsed two-photon scattering from a single atom in a waveguide with delay-modified temporal correlationsQuantum nonlinearity is an essential ingredient for many quantum technologies, but often the nonlinearity is too weak to be exploited at the few-photon level. However, few photons interacting…Matthew Kozma, Sofia Arranz Regidor, Stephen Hughes·Jul 19, 2026SaveLearn