Quantum Physics · Physics & Astronomy
Quantum Physics
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3,630 papers, from 4 September 2026 to 5 November 2026: 3,630 arXiv preprints.
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Newest papers, page 111
A Spectrum-Based Converse for Quantum State Discrimination and Its Applications to Classical-Quantum Channel Coding
We investigate converse bounds on the average decoding error probability in finite-blocklength classical-quantum channel coding.Quantum information processing under maximal distance measures
The measures of distance frequently used in quantum information, such as trace distance or fidelity-based purified distance, are the smallest extensions of the corresponding distance measures in…Rewire and reset are all you need: Minimal resources for manipulating non-Abelions
Braiding and fusing anyons are fundamental to topological quantum computation, yet existing circuit protocols often employ ancillas and measurements.Boundary-accessible work in a collision-charged topological quantum battery
Quantum batteries store energy in nonequilibrium quantum states.Black Hole Radiation Decoding in the Haar Random Oracle Model
We prove optimal query bounds for recovering a single qubit from black-hole radiation in the Haar random oracle model, when the remaining black hole contains at most one sixteenth of the system's…Protecting bosonic codes from ancilla-induced errors with continuous-variable flags
Bosonic quantum error correction represents a route towards significant hardware overhead reduction for fault-tolerant quantum computation.Kardar-Parisi-Zhang superdiffusion in chaotic quantum circuits
We construct a family of chaotic brickwork quantum circuits exhibiting superdiffusive transport with dynamical exponent $z=3/2$ in the full Kardar--Parisi--Zhang (KPZ) universality class.Decoupling Spectral Gaps from Entanglement Complexity in Quantum Annealing
Exponentially small spectral gaps are the central obstacle to adiabatic quantum annealing, yet whether such bottlenecks demand correspondingly complex entanglement remains unclear.Chiral Parafermions in Floquet $\mathbb{Z}_N$ Topological Order
Floquet topological order (FTO) extends topology beyond equilibrium, giving rise to phenomena, such as the dynamical transmutation of anyons.Magnus: neutrino oscillation probabilities for any Hermitian Hamiltonian, any number of flavors, and any matter profile
Interpreting neutrino oscillation measurements requires computing the probability that a neutrino born with one flavor is detected with another.Pauli Flat Quantum States Mimicking Maximal Magic
Quantum magic is a necessary resource for fault-tolerant quantum computing, capturing the departure of quantum states from the classically simulable stabiliser set.Connectivity Controls Variational Accessibility in Symmetry-Preserving Quantum Circuits
Designing expressive quantum circuits for the variational quantum eigensolver (VQE) is a central challenge in simulating interacting many-body systems.Generalised entanglement wedges in three dimensions
Generalized entanglement wedges (GWs), proposed by Bousso and Penington for gravitating regions in general spacetimes, share many properties of ordinary entanglement wedges, including nesting…Learning Disentangled Representations with Quantum Variational Autoencoders
Variational autoencoders are powerful representation learning models that map complex data into low-dimensional latent spaces, enabling the discovery of interpretable and disentangled factors.Open-System Probe Selection and Optimal Measurements for Dispersive Coupling Metrology
We investigate how photon loss and environmental memory affect probe selection and measurement sensitivity for estimating the dispersive coupling strength in a cavity qubit system.Quantum Machine Learning for Few-Shot Impersonation Detection in Digital Account Opening
Identity impersonation fraud may emerge only after digital account opening, requiring an early post-onboarding approach based on behavioral and transactional signals observed shortly after activation.Pauli Error Composition Determines the Multipartite Advantage in Conference Key Agreement
GHZ-based conference key agreement distributes a shared key to $N$ parties in one network use, whereas pairwise BB84 needs $N-1$.Resource-Aware Grover Search for Minimum Vertex Cover
The Minimum Vertex Cover (MVC) problem is a fundamental NP-hard combinatorial optimization problem with applications in network analysis and resource allocation.The parliament of observers - Against the observable axiom of quantum mechanics
The 'unreasonable effectiveness of mathematics in the natural sciences' may at times give the impression that natural science, especially modern theoretical physics, is all but a formal apparatus.Quantum dynamics of spin systems using quantum-like resources
Recent publications have introduced the concept of quantum-like (QL) bits, along with their associated QL-states and QL-gate operations, emerging from the dynamics of complex synchronized networks.