10738 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 presents a deterministic, measurement-based low-depth algorithm for preparing arbitrary quantum states that achieves optimal spacetime complexity of by disentangling ancilla qubits, while providing precise resource quantification and demonstrating hybrid applications through specific examples.
This study utilizes the spin-vector Langevin model to demonstrate that while classical O(2) rotor networks on low-connectivity regular graphs exhibit universal Kibble-Zurek scaling during annealing, increasing the interaction range suppresses this power-law behavior in favor of exponential scaling, marking a distinct breakdown of the mechanism in classical long-range systems compared to their quantum counterparts.
This paper demonstrates that, relative to a classical oracle, a classical polynomial-time verifier can efficiently verify a language beyond the polynomial hierarchy decided by a quantum polynomial-time prover using a public-coin interactive proof system, achieved through a novel recursive Fourier sampling variant and a new switching theorem that overcomes limitations of Håstad's switching lemma.
This paper proposes a novel quantum evolution kernel for node-attributed graphs that utilizes three-level quantum state encoding and Wasserstein distance to achieve higher accuracy in digit recognition tasks compared to classical Jensen-Shannon distance-based methods, all simulated on neutral-atom quantum computers using Pasqal's Pulser library.
This paper establishes Quantum Fisher Information deficit as a model-independent geometric signature for strong-to-weak spontaneous symmetry breaking in open systems, demonstrating that a persistent gap from maximal QFI under symmetry-neutral pair rotations serves as a quantitative information-geometric characterization of thermal SW-SSB even when conventional charged long-range order is absent.
This paper experimentally demonstrates the preparation and reconstruction of geometric states on a Bloch sphere using a classical linear two-mass, three-spring mechanical system, where tunable superpositions of symmetric and antisymmetric eigenmodes are controlled via boundary excitations to validate two-mode manifold dynamics.
This paper demonstrates that dynamical quantum simulations, typically designed to compute specific response functions, inherently prepare many-body states that can be repurposed as versatile laboratories for exploring broader quantum information concepts such as classical bit encoding, entanglement dynamics, and quantum communication rates.
This paper presents a GPU-accelerated meet-in-the-middle compilation strategy that successfully identifies low-leakage Fibonacci anyon braids for the class up to length 72, while also establishing theoretical bounds on leakage and proving that exhaustive search outperforms random sampling for finding optimal braids at sufficient lengths.
This study demonstrates that combining *ab initio*-informed low-energy models with the Sample-based Quantum Diagonalization (SQD) algorithm enables accurate ground-state calculations of correlated iron-oxide systems on existing quantum hardware, outperforming raw Variational Quantum Eigensolver (VQE) approaches.
This paper proposes two new Bohr-Sommerfeld quantization conditions for -dimensional radial power-like potentials that accurately reproduce exact energy spectra, particularly for large radial quantum numbers, and demonstrates that introducing a small dimensionless WKB correction further refines these results across various potential types and dimensions.