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Related papers: Surface terraces in pure tungsten formed by high-t…

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In this paper, we study the special curves and ruled surfaces on helix hypersurface whose tangent planes make a constant angle with a fixed direction in Euclidean n-space Besides, we observe some special ruled surfaces in and give…

Differential Geometry · Mathematics 2012-04-13 Yusuf Yayli , Evren Ziplar

Earth's tectonic processes regulate the formation of continental crust, control its unique deep water and carbon cycles, and are vital to its surface habitability. A major driver of steady-state plate tectonics on Earth is the sinking of…

Earth and Planetary Astrophysics · Physics 2017-07-04 Cayman T. Unterborn , Scott D. Hull , Lars P. Stixrude , Johanna K. Teske , Jennifer A. Johnson , Wendy R. Panero

Terrestrial exoplanets in the canonical habitable zone may have a variety of initial water fractions due to random volatile delivery by planetesimals. If the total planetary water complement is high, the entire surface may be covered in…

Earth and Planetary Astrophysics · Physics 2017-06-27 Thaddeus D. Komacek , Dorian S. Abbot

This study explores the impact of temperature on defect dynamics in tungsten, emphasizing its application in nuclear fusion reactors as Plasma Facing Components (PFCs). Through atomistic simulations, the research elucidates the intricate…

Materials Science · Physics 2024-03-20 Yang Zhang , Jason R. Trelewicz

The observation of thermal emission from isolated neutron stars and the modeling of the corresponding cooling curves has been very useful to get information on the properties of matter at very high densities. More recently, the detection of…

High Energy Astrophysical Phenomena · Physics 2015-05-21 Deborah N. Aguilera , Anabela Turlione

The discovery of correlated phases in twisted moir\'e superlattices accelerated the search for low-dimensional materials with exotic properties. A promising approach uses engineered substrates to strain the material. However, designing…

Mesoscale and Nanoscale Physics · Physics 2023-08-25 Md Tareq Mahmud , Dawei Zhai , Nancy Sandler

Hot rocky super-Earths are thought to be sufficiently irradiated by their host star to melt their surface and thus allow for long-lasting magma oceans. Some processes have been proposed for such planets to have retained primordial hydrogen…

Earth and Planetary Astrophysics · Physics 2024-01-29 Aurélien Falco , Pascal Tremblin , Sébastien Charnoz , Robert J. Ridgway , Pierre-Olivier Lagage

Transition-metal dichalcogenide IrTe2 has attracted attention because of striped lattice, charge ordering and superconductivity. We have investigated the surface structure of IrTe2, using low energy electron diffraction (LEED) and scanning…

Materials Science · Physics 2017-04-05 Chen Chen , Jisun Kim , Yifan Yang , Guixin Cao , Rongying Jin , E. W. Plummer

While uniform temperature has no effect on equilibrium properties of hard-core systems, its gradient might substantially change their behaviour. In particular, in hard-disk system subject to temperature difference $\Delta T$ disks are…

Statistical Mechanics · Physics 2015-05-18 Sebastian Woloszczuk , Adam Lipowski

Titan has a climate system with similarities to Earth, including the presence of a thick atmosphere made up of several atmospheric layers. As on Earth, Titan's climate is influenced by several factors: the gaseous species making up the…

Earth and Planetary Astrophysics · Physics 2025-03-17 Zoé Perrin , Nathalie Carrasco , Thomas Gautier , Nathalie Ruscassier , Julien Maillard , Carlos Afonso , Ludovic Vettier

Terrestrial exoplanets likely form initial atmospheres through outgassing during and after accretion, although there is currently no first-principles understanding of how to connect a planet's bulk composition to its early atmospheric…

Earth and Planetary Astrophysics · Physics 2021-04-20 Maggie A. Thompson , Myriam Telus , Laura Schaefer , Jonathan J. Fortney , Toyanath Joshi , David Lederman

We prove, by realistic microscopic calculations within the sp^3s^* Tight Binding method for GaAs (110) and (100), that the surface optical properties are not influenced by long-range crystal termination effects, and hence that they can be…

Condensed Matter · Physics 2007-05-23 Rodolfo Del Sole , Giovanni Onida

Recent observations indicate potentially carbon-rich exoplanet atmospheres. Spectral fitting methods for brown dwarfs and exoplanets have invoked the C/O ratio as additional parameter but carbon-rich cloud formation modeling is a challenge…

Solar and Stellar Astrophysics · Physics 2021-06-04 Ch. Helling , D. Tootill , P. Woitke , E. K. H. Lee

We report on the formation of oriented gold nano structures on Si(100) substrate by annealing procedures in low vacuum (\approx10-2 mbar) and at high temperature (\approx 975^{\circ} C). Various thicknesses of gold films have been deposited…

Mesoscale and Nanoscale Physics · Physics 2017-11-27 Ashutosh Rath , J. K. Dash , R. R. Juluri , A. Rosenauer , Marcos Schoewalter , P. V. Satyam

Transmission spectrum surveys have suggested the ubiquity of high-altitude clouds in exoplanetary atmospheres. Theoretical studies have investigated the formation processes of the high-altitude clouds; however, cloud particles have been…

Earth and Planetary Astrophysics · Physics 2020-03-18 Kazumasa Ohno , Satoshi Okuzumi , Ryo Tazaki

We report a photonic crystal surface emitting laser using monolayer tungsten disulfide as the gain medium. The cavity design utilizes a heterostructure in the photonic crystal lattice to provide lateral confinement for a high quality factor…

Optics · Physics 2018-06-22 Xiaochen Ge , Momchil Minkov , Shanhui Fan , Xiuling Li , Weidong Zhou

Coupling of nano-indentation and crystal plasticity finite element (CPFE) simulations is widely used to quantitatively probe the small-scale mechanical behaviour of materials. Earlier studies showed that CPFE can successfully reproduce the…

Materials Science · Physics 2020-08-11 Hongbing Yu , Suchandrima Das , Haiyang Yu , Phani Karamched , Edmund Tarleton , Felix Hofmann

We present a method to include the evolution of the grain size and grain opacity $\kappa_\mathrm{gr}$ in the equations describing the structure of protoplanetary atmospheres. The key assumption of this method is that a single grain size…

Earth and Planetary Astrophysics · Physics 2015-06-22 Chris W. Ormel

These days, as high energy particle colliders become unavailable for testing speculative theoretical ideas, physicists are looking to other environments that may provide extreme conditions where theory confronts physical reality. One such…

High Energy Physics - Theory · Physics 2010-11-01 R. Jackiw

Surface morphology of the substrate and bottom layers plays a critical role in the epitaxial growth of oxide thin films. Here, we report on the self-organized formation of a step-terrace structure in SrRuO3 (SRO) thin films grown using…