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 96
Latent Symmetry in Quantum Zeno Dynamics
Quantum Zeno dynamics constrains a continuously monitored system to measurement-selected subspaces.A Catalytic Algorithm for Transposing Unknown Qutrit Unitaries with Tight Query Bounds
We construct exact deterministic circuits for transposing and inverting an unknown qutrit unitary $U\in\mathrm{SU}(3)$ using only forward queries.Fast computational primitives for La-cross qLDPC codes
Quantum LDPC codes promise to reduce the overhead of fault-tolerant quantum computation, but their practical use requires efficient logical gates, measurements, and access to non-Clifford resources.An elementary approach to the Szegő theorems
The strong Szegő theorem and the Fisher-Hartwig formula describe the asymptotic behavior of determinants obtained by restricting translationally invariant operators to large finite regions.Lieb-Robinson bounds for irreversible dynamics via adaptive Dyson expansion
In this note, we study a broad class of time-dependent and irreversible dynamics for quantum spin systems in both finite and infinite volume.Coset Lifted Product Codes: Constructing Quantum LDPC Codes from Non-Normal Subgroup Actions
We introduce coset lifted product (CLP) codes, a family of quantum LDPC codes that combine the protograph structure of lifted product codes with the coset action of Aydin, Tamo, and Barg…Analog quantum simulation of Shastry-Sutherland Ising materials
Frustrated magnets host rich emergent behavior because competing interactions generate dense manifolds of low-energy states.Trainable Quantum-Native Language Models: Dissipative Memory, Capacity Limits, and Hardware Validation
We study byte-level autoregressive language models whose hidden state is a small quantum register, whose transitions are learned token-conditioned quantum channels, and whose next-byte probabilities…Prelocality No-Go Theorems and Exactly Solvable Relational History Hamiltonians
Exact permutation covariance does not itself supply a sparse metric geometry.How long is a photon?
A photon has the strange property that it travels along a null interval with zero proper time, hence its emission and absorption points are, in a sense, a singular event.Comment on "Landau Levels and Riemann Zeros"
Sierra and Townsend (ST) [1] showed that the ``absorption spectrum'' model of Connes [2] arises as the lowest-Landau-level (LLL) limit of a charged particle in crossed electric and magnetic fields…Witnessing Quantum Bayesian Inference beyond Classical Learning
Can an agent's predictions reveal whether its reasoning is based on a classical or a quantum model?Cross-Validation of Open-Source Quantum Network Simulators
We present a comparative analysis of two open-source quantum network simulators, QuISP and SeQUeNCe, focusing on cross-validation of basic networking tasks to ensure consistency and accuracy in…Building codes with transversal CCZ using projective geometry and SAT solvers
We construct CSS codes with three logical qubits whose logical CCZ gate is implemented by transversal physical $T/T^{\dagger}$ gates and whose distance is at least $3$.Non-Orthogonal Amplitude Amplification for Hybrid CV-DV Quantum Processors
We introduce a non-orthogonal amplitude amplification (NOAA) method for hybrid continuous-variable- discrete-variable (CV-DV) quantum processors, where the available CV-assisted projector is not…Particle-Number-Preserving Quantum Signal Processing for Thermal Properties: Canonical-Ensemble Estimation and Grand-Canonical Reconstruction
We develop an end-to-end framework for estimating canonical thermal properties of particle-number-conserving second-quantized Hamiltonians using quantum simulations.Distance Structure of Insertion Kernels and Local Port Response in Non-Reciprocal Su--Schrieffer--Heeger Chains
Non-reciprocal lattices offer a flexible setting for directional wave transport, raising the question of how enhanced internal scattering translates into transmission between fixed external ports.Non-Hermitian Cooperation Induced Chern Insulator
Conventional Chern insulators rely on breaking time-reversal symmetry via magnetic fields or synthetic gauge fields.What a Reporting Convention Hides: A Matched-Budget Audit of Quantum Natural Gradient with an Exactly Computed Metric
Several published comparisons of variational quantum optimizers time only runs that reach a target loss, or read the verdict at a single target.The Geometry of Lee-Yang Tensors
We provide a geometric description of Lee-Yang tensors, building upon several recent results of Bravyi, Gosset, Liu, and Wong.