quant-ph papers | Gist.Science

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.

⚛️ high-energy theory

Generalized Hall Conductivities in Local Commuting Projector Models: Generalized Symmetries and Protected Surface Modes

This paper constructs local commuting projector lattice models in (2+1)D and (3+1)D that realize nonzero generalized Hall conductivities for ordinary and higher-form continuous symmetries by utilizing a standard $\mathbb{Z}_N$ toric code with non-onsite symmetries, thereby circumventing traditional no-go theorems while supporting protected gapless boundaries consistent with continuum field theories.

Po-Shen Hsin, Ryohei Kobayashi2026-02-05

⚛️ quantum physics

Classical and Quantum Resources in Perfect Teleportation

This paper proposes a perfect qubit teleportation protocol using a partially entangled two-qutrit channel that optimizes resource efficiency by reducing both the entanglement required for Alice's measurement and the classical bits sent to Bob, while establishing a fundamental trade-off and lower bound between these two resources.

Zhu Dian, Fulin Zhang, Jingling Chen2026-02-05

🔬 mesoscale physics

Dissipation induced Majarona $0$- and $π$ -modes in a driven Rashba nanowire

This paper demonstrates that dissipation in a periodically driven Rashba nanowire coupled to an s-wave superconductor induces both topological and trivial edge-localized Majorana 0- and $\pi$ -modes, significantly modifying the system's topological phase diagram and enabling the creation of topological phases in non-topological setups.

Koustabh Gogoi, Tanay Nag, Arnob Kumar Ghosh2026-02-05

🔬 optics

Quantum Optical Electron Pulse Shaper

This paper theoretically demonstrates a novel method for shaping freely propagating electron wave packets in the time domain using quantum phase modulation by coherent light with time-dependent frequency, enabling few-femtosecond pulse durations without spectral broadening for high-resolution ultrafast imaging.

Nelin Laštovičková Streshkova, Martin Kozák2026-02-05

🔬 optics

Exceptionally deficient topological square-root insulators

This paper proposes a mechanism using lattice sum rules in non-Hermitian topological square-root insulators to enforce exceptional deficiency, where the entire energy spectrum consists of exceptional points, leading to unique dynamical signatures like static broadband and non-Abelian adiabatic state amplification.

Subhajyoti Bid, Henning Schomerus2026-02-05

⚛️ general relativity

Harvesting Contextuality from the Vacuum

This paper introduces a protocol for harvesting quantum contextuality from the vacuum of a massless scalar field using Unruh-DeWitt detectors, demonstrating that gapless systems can extract this resource, revealing tradeoffs between harvested contextuality and entanglement, and establishing new criteria and measures for genuine harvesting across various quantum resources.

Philip A. LeMaitre2026-02-05

⚛️ quantum physics

On a discrete version of the position-momentum commutation relation

This paper investigates the set of pure quantum states in high-dimensional qudit systems that approximately satisfy a discrete position-momentum commutation relation, identifying specific families such as discrete Gaussian states, coherent states, and Hermite-Gauss states while suggesting potential experimental methods for their realization.

Nicolae Cotfas2026-02-05

⚛️ quantum physics

The Quantum Decoding Problem : Tight Achievability Bounds and Application to Regev's Reduction

This paper generalizes the polynomial-time solvability of the quantum decoding problem to all memoryless noise models and the rank metric case, deriving tight information-theoretic bounds via the Pretty Good Measurement and demonstrating how combining this quantum algorithm with Regev's reduction enables the efficient sampling of minimum-weight codewords from the dual code, a feat unachievable with classical decoding.

Agathe Blanvillain, André Chailloux, Jean-Pierre Tillich2026-02-05

🔢 mathematics

Intrinsic Heisenberg-type lower bounds on spacelike hypersurfaces in general relativity

This paper establishes a coordinate- and foliation-invariant Heisenberg-type uncertainty principle for sharp position measurements on spacelike hypersurfaces in general relativity, demonstrating that strict confinement to a geodesic ball of radius $r$ enforces a momentum uncertainty lower bound of $\sigma_p r \ge \pi\hbar/2$ derived from the spectral geometry of the manifold.

Thomas Schürmann2026-02-05

⚛️ quantum physics

Control of memory effects in a spin-boson system by periodic driving

This paper demonstrates that periodic driving can effectively control quantum memory effects in a finite-temperature spin-boson system, where numerical simulations reveal that non-Markovianity peaks at specific driving amplitudes due to quasienergy degeneracies that significantly enhance relaxation times.

Pietro Follia, Bassano Vacchini, Heinz-Peter Breuer2026-02-05

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quant-ph

Generalized Hall Conductivities in Local Commuting Projector Models: Generalized Symmetries and Protected Surface Modes

Classical and Quantum Resources in Perfect Teleportation

Dissipation induced Majarona $0$- and πππ-modes in a driven Rashba nanowire

Quantum Optical Electron Pulse Shaper

Exceptionally deficient topological square-root insulators

Harvesting Contextuality from the Vacuum

On a discrete version of the position-momentum commutation relation

The Quantum Decoding Problem : Tight Achievability Bounds and Application to Regev's Reduction

Intrinsic Heisenberg-type lower bounds on spacelike hypersurfaces in general relativity

Control of memory effects in a spin-boson system by periodic driving

Dissipation induced Majarona $0$- and $π$ -modes in a driven Rashba nanowire