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 176
Universal Dynamics of a Spin-$3/2$ Fermi Gas in Traps with Distinct Spectra
Universal power-law decay of spin-mixing oscillations has been observed in a harmonically trapped spin-$3/2$ Fermi gas, whose exactly equally spaced spectrum represents a highly special case.Fault-Class-Matched Test Oracles for Output-Invisible Quantum Transpiler Regressions
Test oracles for quantum transpilers typically judge correctness by comparing compiled output against a reference: a statevector, a sampled distribution, or a unitary compared modulo global phase.Thermal Evolution and Disorder Dependence of the Bose-glass: Spatial, Spectral, and Localization Signatures
In this work, we characterize the glassy character of the Bose-glass phase in a disordered Bose-Hubbard model using three complementary diagnostics: the finite-temperature spectral function, spatial…A QSVT-Based Quantum Jacobi Algorithm for Linear Systems with Application to the Poisson Equation
Many computational fluid dynamics (CFD) algorithms solve partial differential equations by discretization, resulting in large and sparse systems of linear equations.On the Born rule in a new quantum approach
In the context of a new approach towards quantum foundation, the Born rule is proved under a weak condition through several steps.Electronic-Entropy-Driven Phase Transitions in Compressed Iron Oxides
Electronic entropy is usually treated as a secondary correction to structural stability, but under strong electronic excitation it can become a primary thermodynamic driving force.Quantum Computing Solution of the Bethe-Salpeter Equation for Relativistic Scalar Bound States via Tensor-Network VQE
We present a gate-based quantum computing solution of the homogeneous Bethe-Salpeter equation (hBSE) for the bound state of two massive relativistic scalar particles interacting via…Quantum many-body framework for passive-scalar turbulence
How spatial structures manifest in multi-time correlations is a fundamental question in turbulence.New lower bounds for CDS and $f$-routing
Understanding the entanglement cost of non-local quantum computation (NLQC) is relevant to complexity theory, cryptography, quantum gravity, and related areas.Vacancy aggregation enhances NV- spin coherence in diamond: a cluster-correlation-expansion study of multi-vacancy spin baths in semiconductors
Annealing a semiconductor makes its vacancies mobile; they aggregate into multi-vacancy complexes that often carry spin.A Sharp Noise Threshold for Shor's Quantum Factoring and Discrete Log Algorithms
We study the asymptotic behavior of Shor's quantum factoring and discrete log algorithms when noise affects the precise controlled rotation gates in their quantum Fourier transforms.Robust self-testing of nonmaximal entanglement from a reduced inner product game
We reduce Lalonde's pseudo-telepathy inner product game from six to five dimensions, keeping its four Alice questions and three Bob questions and reducing each answer alphabet to five.Versatile Quantum Machine Learning with an Ultra-low Power Photonic Quantum Reservoir Computer
Integrated photonic microprocessors provide high-bandwidth, massively parallel linear computation, but realizing nonlinear feature maps and temporal memory remain key challenges for machine learning.Quantum Work Extraction via Conditional Spatial Displacements
We propose a protocol for extracting work from a coherent quantum battery state by exploiting measurement-assisted feedback mediated by a continuous-variable pointer.Do gravitational waves assist the genuine tripartite entanglement harvesting?
We investigate the harvesting of genuine tripartite entanglement by three linearly arranged Unruh-DeWitt detectors locally coupled to a massless scalar field in a gravitational wave background.On the dual character of Zn impurity in SnTe: Tuning thermoelectric and topological properties
We present a first-principles study of the electronic structure and thermoelectric properties of Zn-doped SnTe using the Korringa-Kohn-Rostoker method within the coherent potential approximation…Subspace Controllability in Variational Quantum Circuits: Maximising Expressivity and Increasing Search Efficiency with Dynamical Lie Algebras
Variational hybrid quantum models are a common paradigm for realising machine learning on quantum hardware.Statistical mechanics of multipartite entanglement in hypergraph states
We investigate multipartite entanglement in a particular family of pure $n$-qubit hypergraph states through a statistical-mechanics framework, where the average bipartite purity maps onto an…Collective advantage from a minimal record in a quantum information engine
For a single particle, a quantum information engine can turn measurement fluctuations into transport by raising a barrier behind the particle each time its position is measured.A Reconfigurable Multilayer Quantum Key Distribution Network over Existing Metropolitan Fibre
Scaling quantum networks requires architectures extending end-to-end service reachability despite constrained fibre and equipment.