MUBs from bent functions
This paper presents a simple construction of complete sets of mutually unbiased bases (MUBs) by utilizing bent functions to express the new basis vectors as explicit linear combinations of the standard basis.
9628 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 simple construction of complete sets of mutually unbiased bases (MUBs) by utilizing bent functions to express the new basis vectors as explicit linear combinations of the standard basis.
This paper presents a wafer-scale heterogeneous III-V-on-silicon nitride platform that integrates ultra-low-loss passive circuits with high-performance active components, including efficient entanglement sources, nonlinear converters, and high-quantum-efficiency detectors, to enable scalable, low-noise quantum photonic systems.
This paper proposes and simulates an all-optical neural network architecture that leverages coherent transient quantum dynamics in waveguide QED—specifically phase-tunable interference, bad-cavity integration, and driven Rabi oscillations—to eliminate electro-optical bottlenecks and achieve ultrafast, low-energy information processing with high classification accuracy.
The paper proposes Granularity Noise Thermometry (GNT), a fluctuation-based optical scheme that determines temperature by measuring the linear scaling of excess noise in transmitted light with the photon-to-atom ratio, yielding distinct temperature dependencies for thermal vapors and cold atomic ensembles.
This paper demonstrates that in a two-giant-atom waveguide-QED system, engineering the coupling phase between atoms serves as a powerful tool to control the number and profiles of bound states in the continuum, thereby enabling the precise tailoring of quantum-state evolution and interference dynamics.
This paper proposes and demonstrates that the temperature of a heteronuclear quantum gas mixture can serve as a simple, tunable control knob to induce a single-channel resonance by reshaping the effective potential between impurities through thermal smearing of the Fermi surface, thereby explaining recent experimental loss features and offering a systematic method to manipulate scattering resonances.
This paper proposes and analyzes a McLachlan-projected reduced dynamics framework for the ill-posed backward diffusion problem, demonstrating that Schrödingerization combined with projection onto a low-dimensional frame acts as a structured regularizer with provable error bounds, Gram-norm conservation, and competitive performance against classical spectral filtering baselines.
This paper proposes a NISQ-compatible, parameterized 4-qubit EWL quantum game circuit that integrates real-world funding data from the CORDIS database with a Dirac-Solow-Swan Hamiltonian to model and forecast disruptive innovation trajectories within quadruple helix ecosystems.
This paper demonstrates that while semiclassical methods can approximate the overall transmission of displaced Fock states through an inverted-oscillator barrier, they fundamentally fail to capture short-time quantum interference effects driven by Wigner-function negativity and nonlinear reflections, revealing inherent limitations in representing these states within classical phase space.
This paper demonstrates that endpoint work quasistatistics, such as Kirkwood-Dirac or Margenau-Hill distributions, serve as phase-sensitive diagnostics for shortcut-to-adiabaticity performance by exhibiting linear sensitivity to control errors that restore initial coherence information, unlike standard two-point measurements which only detect errors at the quadratic order.