7075 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 the feasibility and promise of Arithmetic Reconciliation for Continuous Variable Quantum Key Distribution by evaluating its reconciliation efficiency and key matching rates in realistic scenarios, highlighting its low complexity and superior performance at low signal-to-noise ratios.
This paper proposes a framework for quantum process tomography that simultaneously reconstructs quantum processes and sparse corrupted noise using generalized restricted isometry properties in both Choi-state and process-matrix representations, significantly reducing the required experimental configurations.
This paper solves the full Hamiltonian dynamics of a solid-state spin-photon interface to establish exact performance limits, revealing that realistic imperfections severely hinder photon-photon gates but have minimal impact on generating photon-number superpositions and photonic cluster states.
This paper presents an efficient, fully constructive method for implementing arbitrary Hermitian-preserving and trace-preserving (HPTP) maps by compiling them into a single executable completely positive and trace-preserving (CPTP) map with minimal Kraus rank followed by classical post-processing, thereby significantly reducing resource requirements for applications like quantum error mitigation and entanglement detection.
This paper establishes a strict hierarchy for the physical realizability of transforming unknown quantum channels, demonstrating that while the transpose can be implemented probabilistically, the complex conjugate and adjoint require virtual quasi-probability protocols, which are then applied to improve the query complexity of estimating Petz recovery map expectation values.
This paper proposes a fine-grained parallel tensor network design utilizing FPGAs and a quad-tile partitioning strategy to drastically reduce the computational cost scaling of iTEBD and HOTRG algorithms from to and from to , respectively, thereby offering a scalable hardware solution for large-scale quantum many-body calculations.
This paper demonstrates that spontaneous parity breaking serves as a systematic guiding principle for predicting and rationalizing the emergence of nontrivial phases, such as intermediate-spin parity-broken states and bilayer supersolids, in frustrated quantum antiferromagnets on triangular lattices, a conclusion validated by large-scale tensor network calculations.
This paper proposes a pre-processing quantum error mitigation method that utilizes Tensor Networks to find a surrogate observable whose expectation value on a noisy state matches the target observable on the noiseless state, thereby achieving significantly lower measurement overhead and classical computational complexity (by a factor of ) compared to standard post-processing techniques like Tensor Error Mitigation.
This paper presents a polymer self-consistent field theory for atoms using Gaussian basis functions and an excluded-volume model to enforce the Pauli-exclusion principle, successfully calculating binding energies and electron densities for elements from hydrogen to krypton while recovering standard quantum mechanical limits.
This paper presents a ring polymer self-consistent field theory model that successfully predicts the ground-state binding energies and total electron densities of neutral atoms from hydrogen to neon by enforcing the Pauli exclusion principle through polymer excluded-volume interactions, while revealing that spontaneous spherical symmetry-breaking arises from energy minimization via non-spherical density distributions despite having minimal impact on total binding energies.