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Two-dimensional (2D) transition metal dichalcogenides (TMDCs) have been the subject of sustained research interest due to their extraordinary electronic and optical properties. They also exhibit a wide range of structural phases because of…

Sea ice harbours a rich community of well-adapted microorganisms that inhabit liquid micro-spaces where extreme conditions prevail. Currently at risk under climate change, the sea-ice microbiome holds mysteries about evolution of life on…

Atmospheric and Oceanic Physics · Physics 2026-01-13 Béatrice Lessard-Hamel , Marcel Babin , Simon Thibault

We describe a comprehensive model for the formation and morphological development of atmospheric ice crystals growing from water vapor, also known as snow crystals. Our model derives in part from empirical measurements of the intrinsic ice…

Materials Science · Physics 2012-11-26 Kenneth G. Libbrecht

A combined low-temperature scanning tunneling microscopy and density functional theory study on the binding and diffusion of copper monomers, dimers, and trimers adsorbed on Cu(111) is presented. Whereas atoms in trimers are found in fcc…

Condensed Matter · Physics 2007-05-23 Jascha Repp , Gerhard Meyer , Karl-Heinz Rieder , Per Hyldgaard

We propose iterative methods for obtaining solvation structures on a solid plate which use force distributions measured by surface force apparatus (SFA) and atomic force microscopy (AFM) as input data. Two model systems are considered here.…

Computational Physics · Physics 2014-09-03 Ken-ich Amano

We analyze the surface tension in ultra-cold atomic gases in a quasi one-dimensional and one-dimensional geometry. In recent years, experimental observations have confirmed the ``clustering of atoms" to form droplets in ultra-cold atomic…

Quantum Gases · Physics 2024-07-16 Sri Satwika Adusumalli , Kathaa Senapati , Shivam Singh , Ayan Khan

Introduction of the principles of the asymmetrical, short-range O:H-O coupled oscillater pair and the basic rule for water ice, which reconciles the structure and anomalies of water ice.

Chemical Physics · Physics 2018-11-29 Chuang Yao , Xi Zhang , Yongli Huang , Lei Li , Zengsheng Ma , Changqing Sun

In this work, we perform a systematic computer simulation study of ice premelting, and explore the thickness and structure of quasi-liquid layers formed at the interface of ice with substrates of different hydrophilicity. Our study shows…

Soft Condensed Matter · Physics 2024-10-30 Łukasz Baran , Pablo Llombart , Luis G. MacDowell

Recent developments in deep learning-based methods demonstrated its potential to predict the 3D protein structures using inputs such as protein sequences, Cryo-Electron microscopy (Cryo-EM) images of proteins, etc. However, these methods…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Jaydeep Rade , Soumik Sarkar , Anwesha Sarkar , Adarsh Krishnamurthy

We describe the phase diagram of amorphous solid water by performing molecular dynamics simulations. Our simulations follow different paths in the phase diagram: isothermal compression/decompression, isochoric cooling/heating and isobaric…

Soft Condensed Matter · Physics 2009-11-11 Nicolas Giovambattista , H. Eugene Stanley , Francesco Sciortino

Water is a complex structured liquid of hydrogen-bonded molecules that displays a surprising array of unusual properties, also known as water anomalies, the most famous being the density maximum at about $4^\circ$C. The origin of these…

Soft Condensed Matter · Physics 2015-06-16 John Russo , Hajime Tanaka

We study the effect of the molecular architecture of amphiphilic star polymers on the shape of aggregates they form in water. Both solute and solvent are considered at a coarse-grained level by means of dissipative particle dynamics…

Soft Condensed Matter · Physics 2017-03-31 O. Y. Kalyuzhnyi , J. M. Ilnytskyi , C. von Ferber

Ice is a major component of astrophysical environment - from interstellar molecular clouds through protoplanetary disks to evolved solar systems. Ice and complex organic matter coexist in these environments as well, and it is thought…

Earth and Planetary Astrophysics · Physics 2023-07-27 Murthy S. Gudipati , Benjamin Fleury , Robert Wagner , Bryana L. Henderson , Kathrin Altwegg , Martin Rubin

In studying solidification process by simulations on the atomic scale, the modeling of crystal nucleation or amorphisation requires the construction of interatomic interactions that are able to reproduce the properties of both the solid and…

Microcline feldspar (KAlSi$_3$O$_8$) is a common mineral with important roles for Earth's ecological balance. It participates in the carbon, potassium, and water cycles, contributing to CO$_2$ sequestration, soil formation, and atmospheric…

Mesoscale and Nanoscale Physics · Physics 2023-11-28 Giada Franceschi , Andrea Conti , Luca Lezuo , Rainer Abart , Florian Mittendorfer , Michael Schmid , Ulrike Diebold

Understanding the molecular-level structure and dynamics of ice surfaces is crucial for deciphering several chemical, physical, and atmospheric processes. Vibrational sum-frequency generation (SFG) spectroscopy is the most prominent tool…

Ab initio random structure searching with density functional theory was used to determine the zero-temperature structures of atomic metallic hydrogen from 500 GPa to 5 TPa. Including zero point motion in the harmonic approximation, we…

Materials Science · Physics 2015-05-20 Jeffrey M. McMahon , David M. Ceperley

Recent advancements in deep learning for predicting 3D protein structures have shown promise, particularly when leveraging inputs like protein sequences and Cryo-Electron microscopy (Cryo-EM) images. However, these techniques often fall…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Jaydeep Rade , Ethan Herron , Soumik Sarkar , Anwesha Sarkar , Adarsh Krishnamurthy

Understanding the structure and chemical composition at the liquid-nanoparticle (NP) interface is crucial for a wide range of physical, chemical and biological processes. In this study, direct imaging of the liquid-NP interface by atom…

Water plays a crucial role in geological, biological, and technological processes. Nanoscale water confinement occurs in many of these settings, including sedimentary rocks, water channel proteins, and applications like desalination and…

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