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The extent to which biological interfaces affect the dynamics of water plays a key role in the exchange of matter and chemical interactions that are essential for life. The density and the mobility of water molecules depend on their…

Statistical Mechanics · Physics 2026-01-27 Roman Belousov , Muhammad Nawaz Qaisrani , Ali Hassanali , Édgar Roldán

We use molecular dynamics simulations to study the diffusion of water inside deformed carbon nanotubes with different degrees of deformation at 300 K. We found that the number of hydrogen bonds that water forms depends on nanotube topology,…

Soft Condensed Matter · Physics 2020-01-16 Bruno H. S. Mendonça , Patricia Ternes , Evy Salcedo , Alan B. de Oliveira , Marcia C. Barbosa

Simulating water accurately has been a challenge due to the complexity of describing polarization and intermolecular charge transfer. Quantum mechanical (QM) electronic structures provide an accurate description of polarization in response…

Chemical Physics · Physics 2025-03-05 Qiujiang Liang , Jun Yang

We present a multiscale simulation of liquid water where a spatially adaptive molecular resolution procedure allows for changing on-the-fly from a coarse-grained to an all-atom representation. We show that this approach leads to the correct…

Soft Condensed Matter · Physics 2007-07-09 Matej Praprotnik , Luigi Delle Site , Kurt Kremer , Silvina Matysiak , Cecilia Clementi

Deep Inelastic Neutron Scattering provides a means of directly and accurately measuring the momentum distribution of protons in water, which is determined primarily by the protons ground state wavefunction. We find that in water confined on…

Mesoscale and Nanoscale Physics · Physics 2011-01-27 G. F. Reiter , A. I. Kolesnikov , S. J. Paddison , P. M. Platzman , A. P. Moravsky , M. A. Adams , J. Mayers

We present a comprehensive density-functional theory study addressing the adsorption, dissociation and successive diffusion of water molecules on the two regular terminations of SrTiO3(001). Combining the obtained supercell-geometry…

Materials Science · Physics 2015-05-18 Hannes Guhl , Wolfram Miller , Karsten Reuter

This paper extends our earlier studies of free energy functions of density and crystalline order parameters for models of supercooled water, which allows us to examine the possibility of two distinct metastable liquid phases [J. Chem. Phys.…

Statistical Mechanics · Physics 2015-06-15 David T. Limmer , David Chandler

Machine learning has emerged as a powerful tool in atomistic simulations, enabling the identification of complex patterns in molecular systems limiting human intervention and bias. However, the practical implementation of these methods…

Chemical Physics · Physics 2025-07-28 Giulia Sormani , Alex Rodriguez , Ali Hassanali

We introduce a scheme based on machine learning and deep neural networks to model the environmental dependence of the electronic polarizability in insulating materials. Application to liquid water shows that training the network with a…

Chemical Physics · Physics 2020-06-24 Grace M. Sommers , Marcos F. Calegari Andrade , Linfeng Zhang , Han Wang , Roberto Car

The development of intense high-energy radiation sources and the improvement of techniques for detecting charged fragments have made possible experiments on multiple ionization of a molecule with registration of the momentum and charge of…

Motivated by numerically modeling surface waves for inviscid Euler equations, we analyze linear models for damped water waves and establish decay properties for the energy for sufficiently regular initial configurations. Our findings give…

Analysis of PDEs · Mathematics 2023-08-21 Thomas Alazard , Jeremy L. Marzuola , Jian Wang

Using first-principles molecular dynamics, we study the influence of nuclear quantum effects (NQEs) and nonlocal exchange--correlation density functionals (DFs) near molecular dissociation in liquid hydrogen. NQEs strongly influence…

Materials Science · Physics 2013-03-28 M. A. Morales , J. M. McMahon , C. Pierleoni , D. M. Ceperley

Solution-processed light-emitting diodes (LEDs) are appealing for their potential in the low-cost fabrication of large-area devices. However, the limited performance of solution-processed blue LEDs, particularly their short operation…

The dynamics for molecule formation, relaxation, diffusion, and desorption on amorphous solid water is studied in a quantitative fashion. We aim at characterizing, at a quantitative level, the formation probability, stabilization, energy…

Chemical Physics · Physics 2024-03-27 Meenu Upadhyay , Markus Meuwly

The association and dissociation of ion pairs in water are fundamental to physical chemistry, yet their reaction coordinates are complex, involving not only interionic distance but also solvent-mediated hydration structures. These processes…

Chemical Physics · Physics 2026-03-04 Kenji Okada , Kazushi Okada , Kei-ichi Okazaki , Toshifumi Mori , Kang Kim , Nobuyuki Matubayasi

I show that the theory developed for quantum delocalization of an excited Hydrogen atom in a two-frequency linearly polarized microwave field can be used with a few adaptions to explain the quantum delocalization of Alkali atoms in a…

Atomic Physics · Physics 2016-09-08 Luca Perotti

Some experiments have witnessed increasing decoupling of viscosity from the translational self-diffusion of supercooled water with decreasing temperature. While theory and computer simulation studies indicated the jump translation of the…

Chemical Physics · Physics 2018-10-10 Shivam Dueby , Vikas Dubey , Snehasis Daschakraborty

Water dissociation is of fundamental importance in scientific fields and has drawn considerable interest in diverse technological applications. However, the high activation barrier of breaking the O-H bond within the water molecule has been…

Materials Science · Physics 2023-03-15 Zhijing Huang , Zihan Yan , Guangdong Zhu , Xing Chen , Shuming Zeng , Xiuyun Zhang , Liang Zhao , Yusong Tu

Electron dynamics in water are of fundamental importance for a broad range of phenomena, but their real-time study faces numerous conceptual and methodological challenges. Here, we introduce attosecond size-resolved cluster spectroscopy and…

The spectral features of water clusters provide important information on their structure and dynamics and can assist in deciphering the nature of the local environment of aqueous solutions in a variety of different conditions. Accurately…

Computational Physics · Physics 2026-03-11 T. Baird , R. Vuilleumier , S. Bonella