7120 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 paper demonstrates that the resonant Pais-Uhlenbeck oscillator exhibits a quantisation ambiguity where classically equivalent Hamiltonian formulations lead to inequivalent quantum theories, one featuring a non-diagonalisable spectrum organised by a hidden $su(2)$ spectrum-generating algebra and the other possessing a fully diagonalisable spectrum.
This paper demonstrates that a three-particle system consisting of two non-interacting identical bosons and a lighter particle with resonant interactions, analyzed under the Born-Oppenheimer approximation and zero-range model, exhibits the Efimov effect characterized by an infinite geometric series of negative eigenvalues accumulating at zero, thereby generalizing previous findings.
This study demonstrates that bulk FACsPbI lead halide perovskite crystals exhibit exceptionally long electron spin coherence times of up to 1 ms and millisecond-long longitudinal relaxation times, establishing them as a promising platform for all-optically controlled quantum devices.
This paper establishes both theoretical error bounds and empirical evidence demonstrating that mixed-precision arithmetic, particularly using half precision for sampling, can significantly enhance the scalability and energy efficiency of Neural Quantum States in Variational Monte Carlo simulations without compromising accuracy.
This paper develops a semiclassical framework using momentous quantum mechanics to demonstrate that quantum fluctuations and back-reaction effects significantly alter particle trajectories and phase shifts on a sphere, particularly amplifying asymmetry in non-central potentials and validating the approach through rigorous adherence to Heisenberg uncertainty relations.
This paper introduces a scalable, unconstrained symplectic optimization framework that parameterizes covariance matrices via unit-triangular factorizations to exactly enforce physical constraints, enabling efficient and accurate computation of Gaussian ground states in large, inhomogeneous bosonic systems with enhanced warm-start capabilities for related configurations.
This paper investigates how the expansion of a Friedmann-Robertson-Walker universe, specifically in power-law and de Sitter scenarios, affects the fidelity of quantum teleportation between comoving observers by analyzing the degradation of quantum correlations through field-theoretical methods and Bogoliubov transformations.
This paper demonstrates that the canonical entanglement entropy of the vacuum state is finite for a broad class of conformal nets and establishes that mutual information remains finite in any local quantum field theory satisfying a modular -nuclearity condition for .
This study demonstrates that while the energy landscape of QUBO-formulated graph isomorphism problems exhibits consistent clustering for isomorphic pairs under variational optimization, low energy alone is an unreliable isomorphism certifier due to infeasible states, necessitating trajectory analysis as a diagnostic tool within current NISQ limitations.
This paper proposes an optical purification method for gaseous chemical elements and isotopes that utilizes traveling-wave light to induce mass- and wavelength-dependent atomic walking speeds, causing spatial deflections that separate different species before decoherence occurs.