⚛️ Category

quant-ph

6843 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

Site Basis Excitation Ansatz for Matrix Product States

This paper introduces the Site Basis Excitation Ansatz (SBEA), a highly efficient method for computing elementary excitation spectra in one-dimensional quantum lattice systems using infinite matrix product states, which leverages a non-orthogonal basis constructed via a single-site diagonalization and avoids gauge constraints to achieve high accuracy in calculating dispersion relations and reconstructing Wannier excitations.

Steven R. White2026-03-03
🔬 mesoscale physics

Quantum Dynamics of Electron Scattering from Skyrmions

This paper investigates the quantum dynamics of Gaussian wavepackets scattering from skyrmions using the time-dependent Schrödinger equation, revealing that iterative spin flipping induces complex angular-dependent cross sections, secondary wavefronts, and long-lived quasi-bound states, while providing a versatile numerical framework for exploring tunable spin transport in arbitrary spin textures.

Hareram Swain, Arijit Mandal, S. Satpathy, B. R. K. Nanda2026-03-03
⚛️ high-energy experiments

Evidence of magnetospheric vacuum birefringence in the polarized X-rays of a radio magnetar

This study presents the first observational evidence for magnetospheric vacuum birefringence, a key prediction of quantum electrodynamics, by analyzing the high and energy-dependent X-ray polarization of the radio magnetar 1E 1547.0--5408 using data from IXPE, NICER, and Parkes.

Rachael E. Stewart, Hoa Dinh Thi, George Younes, Marcus E. Lower, Matthew G. Baring, Michela Negro, Fernando Camilo, Joe (…)2026-03-03
🌀 nonlinear sciences

Classical and quantum chaotic synchronization in coupled dissipative time crystals

This paper investigates the emergence of chaotic synchronization in two coherently coupled dissipative time crystals, demonstrating that while both classical mean-field and finite-size quantum regimes exhibit a crossover from staggered to uniform magnetization, the quantum case displays distinct crossover points and entanglement-driven dynamics alongside Gaussian Unitary Ensemble statistics.

Eliška Postavová, Gianluca Passarelli, Procolo Lucignano, Angelo Russomanno2026-03-03
⚛️ nuclear experiments

Next Generation Ta-STJ Sensor Arrays for BSM Physics Searches

To address systematic calibration discrepancies caused by resistive crosstalk and laser instability in Phase-III, the BeEST experiment's Phase-IV introduces redesigned STJ sensor arrays with individual ground wires and a more stable UV laser, successfully eliminating artifacts while maintaining high energy resolution for future BSM physics searches.

Joseph P. T. Templet, Spencer Fretwell, Andrew Marino, Robin Cantor, Ad Hall, Connor Bray, Caitlyn Stone-Whitehead, Inwo (…)2026-03-03
⚛️ high-energy theory

Operator dependence and robustness of spacetime-localized response in a quantum critical spin chain

This study numerically demonstrates that spacetime-localized, periodically recurring responses in a critical transverse-field Ising chain—reminiscent of holographic bulk dynamics—emerge exclusively from perturbations corresponding to local density fields in the continuum limit and remain robust against temporal discretization, thereby clarifying the specific operator requirements for observing such phenomena in quantum simulations.

Daichi Imagawa, Keiju Murata, Daisuke Yamamoto2026-03-03
⚛️ quantum physics

Hyper-optimized Quantum Lego Contraction Schedules

This paper introduces a new open-source implementation called PlanqTN and an exact, polynomial-time Sparse Stabilizer Tensor (SST) cost function that leverages the sparsity of intermediate tensors in Quantum LEGO networks to optimize contraction schedules, achieving orders-of-magnitude performance gains and enabling efficient evaluation of quantum error-correcting code properties.

Balint Pato, June Vanlerberghe, Kenneth R. Brown2026-03-03
🔢 mathematics

Unveiling dynamical quantum error correcting codes via non-invertible symmetries

This paper establishes a physical and topological correspondence between dynamical stabilizer codes and non-invertible symmetries in 4+1-dimensional 2-form gauge theories, mapping measurement sequences to symmetry fusions and error detectors to endable surface operators to provide a unified framework for understanding fault tolerance and recovering spacetime stabilizer codes.

Rajath Radhakrishnan, Adar Sharon, Nathanan Tantivasadakarn2026-03-03