⚛️ Category

quant-ph

9259 papers

Quantum physics explores the strange and often counterintuitive rules that govern the universe at its smallest scales. This field investigates how particles like electrons and photons behave in ways that defy our everyday intuition, forming the backbone of modern technologies from lasers to future quantum computers. While the mathematics can be daunting, the core ideas promise to revolutionize how we understand reality and process information.

At Gist.Science, we make these complex discoveries accessible to everyone. We systematically process every new preprint published in the Quant-Ph category on arXiv, transforming dense academic papers into clear, plain-language explanations alongside detailed technical summaries. Whether you are a seasoned researcher or a curious reader, our goal is to bridge the gap between cutting-edge theory and human understanding.

Below are the latest papers in quantum physics, distilled to help you grasp the newest breakthroughs without getting lost in the jargon.

⚛️ quantum physics

Spectral and thermodynamic properties of supersymmetric quantum systems with self-adjoint deformed momentum

This paper establishes a rigorous framework for supersymmetric quantum systems with geometric deformations by constructing a strictly self-adjoint deformed momentum operator, which yields exact analytical spectra and reveals distinct thermodynamic signatures, such as divergent heat capacity peaks and saturation below the Dulong–Petit limit, thereby enabling the engineering of quantum thermal responses in curved nanostructures.

J. A. Oke, F. A. Dossa2026-06-23
⚛️ quantum physics

Machine Learning Optimal Quantum Error Correction Thresholds

This paper establishes a theoretical link between coherent information and neural network loss to develop a transformer-based decoder that accurately predicts quantum error correction thresholds and significantly outperforms traditional minimum weight perfect matching decoders, while also proving the optimality of a novel soft post-selection scheme.

Dominik Seip, Luis Colmenarez, Markus Schmitt, Markus Müller2026-06-23✓ Author reviewed ⓘ
⚛️ quantum physics

Probing Single-Particle Spatial Extent With Helical Neutron Wavefronts

This paper introduces a method using helical neutron wavefronts to experimentally distinguish between transverse coherence length and single-particle wavepacket extent, demonstrating that the latter can be significantly larger than the former and thereby resolving a longstanding confusion in neutron physics.

D. Sarenac, O. Lailey, C. W. Clark, D. G. Cory, H. Ekinci, D. V. Garrad, M. G. Huber, L. Matthews, N. Shentevski, P. R. (…)2026-06-23
⚛️ quantum physics

Lattice-quantile estimation of {\pi} and convex-region integrals from coined two-dimensional quantum walks

This paper proposes a novel lattice-quantile estimation framework that leverages the ballistic spreading of two-dimensional coined quantum walks to bypass the classical Monte Carlo M−1/2M^{-1/2} convergence limit, enabling the deterministic estimation of π\pi and convex-region integrals through number-theoretic residuals rather than statistical fluctuations.

Jen-Yu Chang, En-Jui Kuo, Chih-Yu Chen, Tsung-Wei Huang2026-06-23
⚛️ quantum physics

Hierarchy of mixed symmetry protected topological states in extended cluster states under subsystem decoherence

This paper demonstrates that progressive subsystem decoherence in extended cluster states induces a hierarchical sequence of mixed symmetry-protected topological phases characterized by Rényi-2 string orders, ultimately terminating in a glassy GHZ state via strong-to-weak spontaneous symmetry breaking, thereby revealing decoherence as an organizing mechanism for nontrivial mixed-state entanglement.

Yoshihito Kuno, Takahiro Orito2026-06-23
⚛️ quantum physics

Liouvillian Geometry of Multidimensional Spectra: Pathway Transport and Observational Holonomy in Open Quantum Systems

This paper introduces a geometric framework for open quantum systems that reinterprets multidimensional spectroscopic features as signatures of Liouvillian curvature and holonomy, arising from environmental interactions that transport amplitude among Liouville pathways when the environmental pointer basis differs from the observational basis.

Eric R. Bittner, Carlos Silva-Acuña, Hao Li2026-06-23
⚛️ quantum physics

Lewis-Ermakov approach for the time-dependent two-level system

This paper constructs an explicit Lewis-Ermakov-type dynamical invariant for time-dependent two-level systems by leveraging their algebraic correspondence with the time-dependent harmonic oscillator, thereby providing a closed-form evolution operator and exact propagator for arbitrary time-dependent parameters while enabling the derivation of inverse-engineered shortcuts to adiabaticity.

M. Huerta-Sandoval, I. Ramos-Prieto, H. M. Moya-Cessa2026-06-23