⚛️ Category

quant-ph

6677 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

Coherence thermometry using multipartite quantum systems

This paper demonstrates that the thermal susceptibility of quantum coherence in multipartite systems depends critically on both the environmental configuration and the internal state architecture, revealing that while local dephasing universally accelerates decoherence, common structured reservoirs can preserve coherence in specific states like WW-class and certain Werner mixtures, thereby enabling coherence dynamics to serve as a sensitive probe for finite-temperature environments and a basis for quantum thermometry.

Pranav Perumalsamy, Abhijit Mandal, Sovik Roy, Md Manirul Ali2026-03-12
🔬 mesoscale physics

Do single-shot projective readouts necessarily estimate the T1T_1 lifetime ?

This paper identifies extrinsic population dynamics as the fundamental cause of discrepancies between theoretical and experimental T1T_1 lifetime estimates in multilevel systems, proposing a revised readout protocol and an integrated theory that successfully explains recent spin-valley measurements in bilayer graphene.

Aparajita Modak, Sundeep Kapila, Bent Weber, Klaus Ensslin, Guido Burkard, Bhaskaran Muralidharan2026-03-12
🔬 optics

Remote engineering of particle-like topologies to visualise entanglement dynamics

This paper reports the first visualization of tripartite entanglement dynamics through remotely controlled spin-skyrmion states, introducing a topological Bloch sphere to characterize quantum multiskyrmions and demonstrating how entanglement drives particle-like topological motion for potential applications in quantum sensing and multi-level encoding.

Fazilah Nothlawala, Bereneice Sephton, Pedro Ornelas, Mwezi Koni, Bruno Piccirillo, Liang Feng, Isaac Nape, Vincenzo D'A (…)2026-03-12
⚛️ quantum physics

Self-testing with untrusted random number generators

This paper demonstrates that all pure bipartite partially entangled states can be self-tested even when the random number generator used for Bell test settings is untrusted, provided it satisfies a residual randomness constraint weaker than full independence, thereby enabling semi-device-independent certification of the randomness source's independence from the quantum device.

Moisés Bermejo Morán, Ravishankar Ramanathan2026-03-12
⚛️ quantum physics

Probing the ergodicity breaking transition via violations of random matrix theoretic predictions for local observables

This paper demonstrates that violations of random matrix theory predictions for local observables, specifically regarding quantum Fisher information dynamics and fluctuation-dissipation relations, can serve as effective witnesses for detecting ergodicity-breaking transitions in quantum many-body systems across integrability, many-body localization, and quantum many-body scars.

Venelin P. Pavlov, Peter A. Ivanov, Diego Porras, Charlie Nation2026-03-12
⚛️ quantum physics

Universal purification dynamics in real non-unitary quantum processes

This paper investigates the universal purification dynamics in monitored non-unitary quantum processes across different random-matrix symmetry classes by employing two complementary toy models—discrete-time Gaussian matrix multiplication and continuous-time Dyson Brownian motion—to derive explicit expressions for the universal decay of Rényi entropies and validate these theoretical predictions through numerical simulations.

Federico Gerbino, Donghoon Kim, Guido Giachetti, Andrea De Luca, Xhek Turkeshi2026-03-12