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相关论文: Orb-v3: atomistic simulation at scale

200 篇论文

We propose a self-organizing memory architecture for perceptual experience, capable of supporting autonomous learning and goal-directed problem solving in the absence of any prior information about the agent's environment. The architecture…

人工智能 · 计算机科学 2015-02-24 Dan P. Guralnik , Daniel E. Koditschek

In this paper, our goal is to design ABO3 crystal structure with simple interatomic Lennard-Jones (LJ) potentials and without setting any initial Bravais lattice and it is carried out by molecular dynamics (MD) simulation. In the…

材料科学 · 物理学 2018-09-17 Hui Zhang , Zhongwu Liu , Xichun Zhong , Dongling Jiao , Wanqi Qiu

The performance of basis sets made of numerical atomic orbitals is explored in density-functional calculations of solids and molecules. With the aim of optimizing basis quality while maintaining strict localization of the orbitals, as…

材料科学 · 物理学 2009-11-07 Javier Junquera , Oscar Paz , Daniel Sanchez-Portal , Emilio Artacho

Equivariant Transformers such as Equiformer have demonstrated the efficacy of applying Transformers to the domain of 3D atomistic systems. However, they are limited to small degrees of equivariant representations due to their computational…

机器学习 · 计算机科学 2024-03-08 Yi-Lun Liao , Brandon Wood , Abhishek Das , Tess Smidt

Electron density prediction stands as a cornerstone challenge in molecular systems, pivotal for various applications such as understanding molecular interactions and conducting precise quantum mechanical calculations. However, the scaling…

化学物理 · 物理学 2024-10-10 Ilan Mitnikov , Joseph Jacobson

Can high energy physics be simulated by low-energy, non-relativistic, many-body systems, such as ultracold atoms? Such ultracold atomic systems lack the type of symmetries and dynamical properties of high energy physics models: in…

量子物理 · 物理学 2015-12-29 Erez Zohar , J. Ignacio Cirac , Benni Reznik

Classical atomistic simulations based on interatomic potentials resolve lattice instabilities, defect nucleation, and microstructure evolution with high fidelity, but their accessible system sizes remain far below those required for…

数值分析 · 数学 2026-05-26 Aagashram Neelakandan , Karsten Albe , Bernhard Eidel

We present OrbiSim, a novel robotic simulation paradigm that redefines world models as a fully differentiable physics engine for embodied intelligence. Unlike prior world models that focus on unconstrained imagination in latent or visual…

机器人学 · 计算机科学 2026-05-19 Jiajian Li , Jingyuan Huang , Junru Gong , Qi Wang , Xiaokang Yang , Yunbo Wang

We have developed a shell model potential to describe PbTiO3 and PbMg1/3Nb2/3O3 (PMN) by fitting to first-principles results. At zero pressure, the model reproduces the temperature behavior of PbTiO3, but with a smaller transition…

材料科学 · 物理学 2007-05-23 M. Sepliarksky , Z. Wu , A. Asthagiri , R. E. Cohen

With the growing computational power available for high-resolution ensemble simulations in scientific fields such as cosmology and oceanology, storage and computational demands present significant challenges. Current surrogate models fall…

图形学 · 计算机科学 2025-04-22 Yi-Tang Chen , Haoyu Li , Neng Shi , Xihaier Luo , Wei Xu , Han-Wei Shen

We consider a model in which each family transforms under a different SU(3) color group. The low-energy effective theory is an extension of the Standard Model, with additional color octet gauge bosons $G_H$ with mass $M$ that couple…

高能物理 - 唯象学 · 物理学 2009-09-29 Christopher D. Carone , Hitoshi Murayama

In-SRAM computing promises energy efficiency, but circuit nonlinearities and PVT variations pose major challenges in designing robust accelerators. To address this, we introduce OPTIMA, a modeling framework that aids in analyzing bit-line…

硬件体系结构 · 计算机科学 2024-11-12 Saeed Seyedfaraji , Severin Jager , Salar Shakibhamedan , Asad Aftab , Semeen Rehman

Quantum materials whose properties lie beyond the celebrated Landau Fermi-liquid paradigm have been observed for decades across diverse material platforms. Finding microscopic lattice models for metallic states that exhibit such peculiar…

强关联电子 · 物理学 2026-02-25 Fabian Eickhoff

Simulating lattice gauge theories on quantum computers presents unique challenges that drive the development of novel theoretical frameworks. The orbifold lattice approach offers a scalable method for simulating SU($N$) gauge theories in…

高能物理 - 格点 · 物理学 2026-04-07 Emanuele Mendicelli , Georg Bergner , Masanori Hanada

Memory consistency models are notorious for being difficult to define precisely, to reason about, and to verify. More than a decade of effort has gone into nailing down the definitions of the ARM and IBM Power memory models, and yet there…

编程语言 · 计算机科学 2019-04-11 Sizhuo Zhang , Muralidaran Vijayaraghavan , Dan Lustig , Arvind

Owing to the computational complexity of electronic structure algorithms running on classical digital computers, the range of molecular systems amenable to simulation remains tightly circumscribed even after many decades of work. Quantum…

量子物理 · 物理学 2022-05-18 Alexis Ralli , Michael I. Williams , Peter V. Coveney

Quantum-accurate computer simulations play a central role in understanding phase-change materials (PCMs) for advanced memory technologies. However, direct quantum-mechanical simulations are necessarily limited to simplified models,…

材料科学 · 物理学 2022-09-20 Yuxing Zhou , Wei Zhang , En Ma , Volker L. Deringer

We present a simple, yet general, end-to-end deep neural network representation of the potential energy surface for atomic and molecular systems. This methodology, which we call Deep Potential, is "first-principle" based, in the sense that…

计算物理 · 物理学 2020-07-20 Jiequn Han , Linfeng Zhang , Roberto Car , Weinan E

The assumption of maximum parallelism support for the successful realization of scalable quantum computers has led to homogeneous, ``sea-of-qubits'' architectures. The resulting architectures overcome the primary challenges of reliability…

The manipulation of neutral atoms by light is at the heart of countless scientific discoveries in the field of quantum physics in the last three decades. The level of control that has been achieved at the single particle level within arrays…