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 105
Certified Randomness Generation against Quantum Adversaries via Energy Constraints
For quantum random number generators (QRNGs), strong security guarantees can be obtained under various assumptions.Quantum Complexity of Solving Linear Equations on Higher-Order Networks
Higher-order networks (HONs) represent interactions among groups of objects, supporting the study of collective behaviour that pairwise models can miss.Spectral Analysis Beyond the Spectral Gap: Rapid Mixing of Quantum Gibbs Samplers in One Dimension
We prove rapid mixing of a quantum Gibbs sampler for general one-dimensional non-commuting local spin systems at every fixed positive temperature.Classical observable coalescence as a discriminating diagnostic for spectral degeneracies in non-Hermitian systems
Exceptional points (EPs) are conventionally identified through eigenvector coalescence, inaccessible in classical platforms lacking a Hamiltonian spectrum.Giant Conductance Enhancement in Graphene Nanoscrolls via Interlayer-Coupled States
Graphene nanoscrolls form a unique radial superlattice whose geometry enables transport behaviors distinct from their flat counterparts.Fusion-assisted decoding of non-Abelian topological order
Maximum likelihood (ML) decoders perform quantum error correction by measuring a set of syndromes, classically computing an optimal recovery based on these syndromes and the noise model, and then…Robust Diamond Quantum Sensing in Double-Quantum 4-Ramsey Interferometry by Dual-Feedback Scheme
We developed a highly sensitive and long-term stable diamond quantum magnetometer by integrating a dual-feedback system that compensates for common- and differential-mode frequency shifts in…Evaluating the performance of QEC primitives on quantum processors at large width and depth
Quantum error correction (QEC) relies on repeated parity extraction, mid-circuit measurement (MCM), reset, feed-forward, and scheduling, yet these primitives are usually assessed either in isolation…Rotation Breaks Kibble-Zurek Universality
We show that trap rotation overrides Kibble-Zurek (KZ) universality when a 2D Bose-Einstein condensate forms via a finite-time quench.Fast mixing of the SYK model at high temperatures
The Sachdev-Ye-Kitaev (SYK) model is a strongly interacting fermionic system.Joint GKP Encoding for GHZ States Transmission over Bosonic Quantum MIMO Channels
We study transmission of a Greenberger-Horne-Zeilinger (GHZ) state over nonunitary quantum multiple-input multiple-output (QuMIMO) channels using finite-energy Gottesman-Kitaev-Preskill (GKP)…Free fermion models with an operator entanglement growing as $O(\sqrt{t})$
We study the time evolution of the Operator Space Entanglement Entropy (OSEE) of one-dimensional number-conserving free fermions subject to a random space- and time-dependent evolution.Metastability in Quantum Dynamics for Optimization
Metastability separates apparent equilibration from true convergence: a dynamical system can remain near an intermediate state long before reaching its stationary state.Polynomial neural surrogates for designing photonic quantum experiments
Physics simulators can support the discovery of quantum experiments by predicting the states generated by experimental configurations.Materialised symmetries of 2D translationally invariant codes
There has been significant recent interest in near-term qLDPC codes as high-performance alternatives to surface and color codes.Comparing thresholds of XZZX and rotated surface codes under spatio-temporal correlated noise
While independent and identically distributed noise is typically assumed in quantum computing research, complex error models such as correlated and spatio-temporal errors remain underexplored.Quantum data loading from the learned shared structure of real signals
Preparing quantum states from classical data can cost more than the computation they serve; most loaders tailor a circuit to each input.Gaussian Universality and Its Breakdown in Tensor-Network Machine Learning
Gaussian-process limits are powerful in describing overparameterized machine learning models, yet their validity in structured tensor-network architectures remains unclear.Collective Quantum State Preparation Is Nonadditive
Quantum state preparation is a basic primitive of quantum computation and control, but its resource cost is usually analyzed for one target state or under an independent-copy construction.Geometric Measure of Entanglement of Rank-2 Mixed Multiqubit States and its Estimation on a Quantum Processor
The geometric measure of entanglement of mixed states is investigated based on its relation to spin correlations.