This collection explores the fascinating intersection where the laws of physics meet the complex machinery of chemistry. Here, researchers investigate how quantum mechanics governs molecular bonds, how light interacts with matter at the atomic scale, and how fundamental forces shape chemical reactions. It is a realm where abstract mathematical models collide with tangible substances to reveal the hidden mechanisms driving our material world.

On Gist.Science, we process every new preprint in this category directly from arXiv to make these discoveries accessible to everyone. Whether you are a seasoned expert or a curious reader, you will find both plain-language explanations and detailed technical summaries for each paper. Below are the latest contributions from the community pushing the boundaries of physical chemistry.

Scaling up the transcorrelated density matrix renormalization group

This paper presents improved techniques for the transcorrelated density matrix renormalization group (DMRG) method, including optimized matrix product operators, entanglement-aware representations, and parameter tuning, which collectively enable large-scale calculations on 12×1212 \times 12 lattices and significantly reduce ground-state energy errors compared to standard DMRG.

Benjamin Corbett, Akimasa Miyake2026-04-10🔬 cond-mat

Newton optimization for the Multiconfiguration Self Consistent Field method at the basis set limit: closed-shell two-electron systems

This paper revisits the Multiconfiguration Self-Consistent Field (MCSCF) method for closed-shell two-electron systems by employing a Newton optimization scheme within a Lagrangian formalism to simultaneously optimize orbitals and configuration coefficients, ultimately reducing the problem to a differential Newton system that is discretized using multiwavelets for iterative solution at the basis set limit.

Evgueni Dinvay, Rasmus Vikhamar-Sandberg2026-04-10🔬 physics

Quantum Many-Body Simulations of Catalytic Metal Surfaces

The paper introduces FEMION, a scalable quantum embedding framework that resolves the cost-accuracy dilemma in catalytic metal surface simulations by combining auxiliary-field quantum Monte Carlo with random phase approximation, successfully addressing key challenges in CO adsorption and H2 desorption on Cu(111) while extending the 10-electron-count rule to single-atom catalysis.

Changsu Cao, Hung Q. Pham, Zhen Guo, Yutan Zhang, Zigeng Huang, Xuelan Wen, Ji Chen, Dingshun Lv2026-04-10🔬 cond-mat.mtrl-sci

Numerically exact quantum dynamics with tensor networks: Predicting the decoherence of interacting spin systems

This paper introduces a numerically exact and scalable tensor network method based on matrix product states to accurately predict the decoherence and dynamics of interacting spin systems in solid-state and molecular quantum technologies, thereby providing reliable benchmarks for designing better qubits and understanding decoherence mechanisms.

Tianchu Li, Pranay Venkatesh, Nanako Shitara, Andrés Montoya-Castillo2026-04-10⚛️ quant-ph

Transition Metal Dichalcogenide MoS2{}_2: oxygen and fluorine functionalization for selective plasma processing

This study demonstrates that oxygen and fluorine functionalization, combined with cryogenic temperatures, significantly lowers the sulfur sputtering energy threshold in MoS2{}_2 via the formation of volatile products, thereby widening the ion energy window for selective, damage-controlled chalcogen removal in transition metal dichalcogenide plasma processing.

Yury Polyachenko, Yuri Barsukov, Shoaib Khalid, Igor Kaganovich2026-04-10🔬 cond-mat.mes-hall

Assessment of the synthetic feasibility of hypothetical zeolite-like materials based on ZeoNet

This paper introduces a suite of convolutional neural network classifiers based on the ZeoNet representation that significantly outperform previous methods in distinguishing experimentally synthesized zeolites from computationally predicted hypothetical structures, thereby identifying a small subset of promising candidates for future synthesis.

Yachan Liu, Elaine Wu, Ping Yang, Aaron Sun, Subhransu Maji, Wei Fan, Peng Bai2026-04-10🔬 cond-mat.mtrl-sci

Cavity Quantum Electrodynamics Ring Coupled Cluster and the Random Phase Approximation

This paper generalizes the known equivalence between Random Phase Approximation (RPA) and ring-contraction coupled cluster doubles (CCD) to cavity quantum electrodynamics, demonstrating the numerical equivalence between QED-RPA and a QED ring-CCD model that incorporates double electron excitations, coupled single electron excitations with single photon creation, and double photon creation.

A. Eugene DePrince III, Stephen H. Yuwono, Henk Eshuis2026-04-10🔬 physics

Linear odd electrophoresis of a sphere in a charged chiral active fluid

This paper introduces a theoretical framework for charged chiral active fluids with odd viscosity, deriving a general expression for electrophoretic mobility that reveals how odd viscosity induces unique directional asymmetries in the mobility tensor of a charged sphere, even under conditions where such effects would vanish in standard Newtonian fluids.

Reinier van Buel, Bogdan Cichocki, Jeffrey C. Everts2026-04-10🔬 cond-mat

The BOS-TMC Dataset: DFT Properties of 159k Experimentally Characterized Transition Metal Complexes Spanning Multiple Charge and Spin States

This paper introduces the BOS-TMC dataset, a comprehensive collection of over 2.9 million DFT properties for 159,000 experimentally characterized transition metal complexes across multiple charge and spin states, designed to serve as a high-fidelity foundation for machine learning, DFT benchmarking, and chemical exploration.

Aaron G. Garrison, Jacob W. Toney, Tatiana Nikolaeva, Roland G. St. Michel, Christopher J. Stein, Heather J. Kulik2026-04-10🔬 physics