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 13
Quantum Error Correction in Nearly Critical Toric Codes
We investigate quantum error correction protocols for topological codes deformed away from their stabilizer limits, particularly as they are pushed towards quantum phase transitions into trivial…Photon-Counting Readout via Electro-Optic Microwave-to-Optical Transduction for Axion Haloscopes
Axion dark matter searches require highly sensitive detection schemes with high scan rate to efficiently explore the parameter space.A Fully Polynomial Approximation Algorithm for the Sherrington-Kirkpatrick Model
Montanari's incremental approximate message passing (IAMP) algorithm [FOCS 2019; SIAM J. Comput., 2025] and the zero-temperature formulation of El Alaoui, Montanari and Sellke (AMS) [Ann.Dynamically modulated light-matter interactions for ancilla-tolerant bosonic control
Strong light-matter interactions are central to state-of-the-art quantum technologies, spanning platforms as diverse as Rydberg atoms, trapped ions, and superconducting circuits.Spectral measures and sharpness of quantum speed limits
Quantum speed limits bound the time required for a given state to evolve into a given subspace of the Hilbert space under specific energy constraints.Toward a Quantum Information Foundation for Neutron Scattering
Neutron scattering is a central probe of quantum materials, yet what quantum information can, in principle, be extracted from a scattering experiment remains unclear.Superconducting Qubits as Quantum Targets for Direct Particle Scattering
We introduce a novel approach to particle detection in which a superconducting qubit itself serves as the scattering target and a resolved transition between circuit eigenstates constitutes the…Noise-Induced Topology in Chiral Quantum Walks
Noise typically destroys quantum coherence and washes out transport phenomena that rely on interference.Shapiro spikes in driven quantum fluids
Periodic driving of a Josephson junction produces resonant transport signatures known as Shapiro spikes, conventionally described by effective circuit models.Fermionic Porter-Thomas statistics and their emergence in random matchgate circuits
For Haar-random quantum states, measurement probabilities follow the universal Porter--Thomas distribution.Zero noise extrapolation of transport coefficients
NISQ devices routinely estimate properties of the noiseless system from measurements at varying noise strengths $γ$.Classical training of conditional instantaneous quantum polynomial-time Born machines
Instantaneous quantum polynomial-time (IQP) Born machines are attractive quantum generative models, as certain IQP circuit families are conjectured to be hard to sample, yet they can be trained…Stabiliser codes over prime fields as weighted graphs and as quantum sets of lines
We further develop the theory of quantum stabiliser codes and its links with graph theory and finite geometry.Quantum computing for high energy nuclear physics
Quantum information science (QIS) offers a new set of conceptual and computational tools ideally suited to exploring the many-body, out-of-equilibrium, and real-time properties of strongly…Krylov meets Fock: Complementary lenses on quantum dynamics
Quantum dynamics in Krylov space can be represented by a particle hopping on a chain whose sites are the Krylov basis vectors.Boosted Entanglement Swapping
Entanglement swapping entangles photons that never interacted directly.Raychaudhuri-Ehlers Kinematics on Quantum State-Space: Caustics and Extrinsic Quantum Geometry
Quantum mechanics is inherently geometric in that the pure states form a curved complex manifold and the Schrödinger evolution defines a Hamiltonian flow on this space.Bounded decoding complexity in transversal circuits with magic state injection
We characterize the complexity of space-time correlated decoding for fault-tolerant quantum computing architectures that implement Clifford gates transversally and realize non-Clifford gates via…From Claws to Conferences: Device-Independent Key Agreement Beyond Non-Signaling
Device-independent conference key agreement (DI-CKA) allows a group of users to establish a common secret key without trusting the internal operation of their quantum devices.Quantum error correcting codes from quiver moduli: Grassmannians, cyclic monodromy, and argyle collision divisors
Building on aspects of a recent diagrammatic field-theory programme for quantum error correction put forward by the first-named author (arXiv:2607.08911), we construct exact finite-dimensional codes…