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.

🔢 mathematics

Generalized Bopp shift, Darboux Canonicalization, and the Kinematical Inequivalence of NCQM and QM

This paper demonstrates that while generalized Bopp shifts and Darboux canonicalizations provide linear transformations between noncommutative and ordinary quantum mechanical operators, they do not establish unitary equivalence between the two theories because they correspond to distinct irreducible representations of the underlying nilpotent Lie group $G_{\hbox{\tiny{NC}}}$ that cannot be mapped to one another.

S. Hasibul Hassan Chowdhury2026-03-03

⚛️ quantum physics

On Best-Possible One-Time Programs

This paper establishes the impossibility of generic best-possible one-time programs, then introduces and constructs "testable" one-time programs for arbitrary quantum functionalities in the classical oracle model by leveraging generalized Single-Effective-Query security and stateful quantum indistinguishability obfuscation.

Aparna Gupte, Jiahui Liu, Luowen Qian, Justin Raizes, Bhaskar Roberts, Mark Zhandry2026-03-03

⚛️ quantum physics

Closing the Loop: Resource-aware Hybrid NAS Guided by Analytical and Hardware-Calibrated Quantum Cost Modeling

This paper introduces Hyb-HANAS, a hardware-aware hybrid neural architecture search framework that utilizes a novel analytical cost model incorporating real backend calibration data to jointly optimize the accuracy, parameter count, and time-based hardware resource costs of hybrid quantum-classical neural networks.

Muhammad Kashif, Alberto Marchisio, Muhammad Shafique2026-03-03

⚛️ quantum physics

Toward Quantum-Optimized Flow Scheduling in Multi-Beam Digital Satellites

This paper proposes a hybrid quantum-classical framework that formulates multi-beam satellite flow scheduling as a QUBO problem and employs a layer-wise training strategy to overcome variational algorithm challenges, thereby improving solution quality and efficiency compared to traditional methods.

Qiben Yan, John P. T. Stenger, Daniel Gunlycke2026-03-03

⚛️ quantum physics

Compile-once block encodings for masked similarity-transformed effective Hamiltonians

This paper introduces COMPOSER, a compile-once modular quantum architecture that utilizes low-rank factorizations and a fixed PREP-SELECT-PREP template to efficiently generate masked similarity-transformed effective Hamiltonians, where geometry and active-space updates are handled via re-dialed single-qubit rotations while maintaining tunable algorithmic accuracy.

Bo Peng, Yuan Liu, Karol Kowalski2026-03-03

⚛️ quantum physics

Collective radiance in degenerate quantum matter: interplay of exchange statistics and spatial confinement

This paper utilizes a dissipative field-theoretic framework to demonstrate how spatial confinement and exchange statistics jointly govern collective radiance in quantum degenerate matter, revealing how bosonic enhancement and Pauli blocking dictate superradiant scaling while identifying thermal dilution and recoil-induced transport as mechanisms that disrupt collective order.

Julian Lyne, Nico Bassler, Kai Phillip Schmidt, Claudiu Genes2026-03-03

🔢 mathematics

Lissajous coherent states via projection

This paper constructs stationary coherent states concentrated on Lissajous figures for isotropic and anisotropic harmonic oscillators by projecting products of ordinary coherent states onto degenerate subspaces, thereby clarifying phase singularities, linking probability current laminar flow to quantum interference, and providing a rigorous definition of vortex states that resolves to known SU(2) coherent states in the isotropic limit.

Errico J. Russo, James Schneeloch, Edwin E. Hach, Richard J. Birrittella, Wanda Vargas, Christopher C. Gerry2026-03-03

⚛️ quantum physics

ReloQate: Transient Drift Detection and In-Situ Recalibration in Surface Code Quantum Error Correction

This paper presents ReloQate, a framework that utilizes real-time detector fire rates to conservatively predict logical error rates and proactively remap drifted logical qubits to fresh tiles for in-situ recalibration, thereby mitigating the impact of temporal noise variations in surface code quantum error correction.

Maxwell Poster, Jason Chadwick, Jonathan Mark Baker2026-03-03

⚛️ quantum physics

Multipartite device-independent quantum key distribution using W states

This paper demonstrates that multipartite device-independent quantum key distribution is feasible using W states by constructing suitable Bell inequalities and proposing a long-distance protocol that outperforms existing GHZ-based schemes in terms of transmission distance and detection efficiency requirements.

Makoto Ishihara, Wojciech Roga, Masahiro Takeoka2026-03-03

⚛️ quantum physics

Nonlocality distillation can outperform entanglement distillation

The paper demonstrates that for a small number of shared state copies, nonlocality distillation can achieve a higher CHSH violation and greater resource efficiency than entanglement distillation, even when the latter utilizes communication.

Peter Høyer, Jibran Rashid, Razeen ud Din2026-03-03

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