6146 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.
This study demonstrates the application of nanoscale NV-center ensembles fabricated with helium ion microscopes in combination with DEER spectroscopy for the precise quantification of local nitrogen concentrations and the identification of unknown paramagnetic defects in diamond, thereby overcoming the limitations of bulk characterization methods.
By means of few-level models, this study demonstrates that sub-threshold harmonics in aligned molecules exhibit pronounced phase alternations and polarization behaviors that depend on their energy relative to transition frequencies, thereby enabling the prediction of a mirrored polarization in higher-order harmonics for systems with orthogonal transition dipole moments.
This contribution investigates the role of quantum coherence in heat exchange and entropy production within a pre-thermalizing open quantum system by deriving a fluctuation theorem using the endpoint measurement (EPM) protocol, which successfully captures coherence effects overlooked by the standard two-point measurement (TPM) protocol.
This article presents a minimal, kinetically constrained model for Rydberg cavity systems that reveals a unique blocked ferromagnetic phase in equilibrium and long-range quantum many-body scars with logarithmic entanglement growth out of equilibrium, thereby providing a versatile framework for exploring the interplay of short- and long-range interactions in quantum many-body physics.
This paper investigates the stability of room-temperature superradiant states in hybrid perovskites by modeling quasi-2D exciton-phonon interactions through a 2D nonlocal nonlinear Schrödinger equation, establishing stability criteria for plane wave solutions and numerically confirming the existence of stable fundamental solitons.
This article derives a method for the direct calculation of the time-dependent Wigner function of a non-relativistic single particle interacting with a general, possibly relativistic environment, thereby enabling its application without requiring additional approximations typically necessary to solve the corresponding equation of motion.
This article provides a rigorous framework for classifying the asymptotic behavior of time-dependent Lindblad equations with Hermitian jump operators by supplying a necessary and sufficient criterion for the uniqueness of the stationary state and by distinguishing between symmetries in the Schrödinger and interaction picture representations to explain the emergence of both time-independent and non-trivial oscillating stationary states.
This paper demonstrates that reinforcement learning can significantly enhance the performance of continuous-variable quantum key distribution (CV-QKD) systems by optimizing them under realistic hardware constraints, such as limited FIR filter taps, mean photon number, and finite DAC/ADC resolution.
This paper introduces QBalance, a reproducible Python workflow library built on Qiskit that addresses the multi-objective challenge of selecting optimal quantum compilation, noise suppression, and error-mitigation strategies through a finite strategy-selection framework, while transparently acknowledging its current limitations in candidate evaluation reduction, topology awareness, and full pipeline integration.
This paper presents a multi-surface evidence framework for observability in post-quantum TLS readiness that integrates passive, active, and registry-based measurements to accurately distinguish session behaviors and endpoint capabilities, demonstrating significantly superior detection of hybrid key establishment and quantum vulnerabilities compared to existing baseline analyzers.