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  • American Institute of Physics (AIP)  (2)
  • PANGAEA  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Global orientational order in model polar clusters (1994)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 101 (1994), S. 7856-7867 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: Overall rotational anisotropy is found to be generic in compact clusters of model dipolar particles. This broken rotational symmetry, or "global'' orientational order, is pronounced in zero temperature configurations. It arises from the tendency of dipolar particles to form head-to-tail chains which encircle the cluster, giving rise to a circulating pattern. In many cases, the zero temperature arrangement of dipolar particles is chiral. Expansion of the dipole density field in vector spherical harmonics provides order parameters to quantify broken orientational symmetry, and facilitates analysis of inversion and reflection symmetry. Finite temperature simulations of a 13-particle cluster with Stockmayer (Lennard-Jones+point dipole) interactions indicates that the global orientational order persists to higher temperatures, even above the point of translational melting. The 13-particle Stockmayer cluster remains orientationally ordered up to the onset of frequent evaporation from the cluster. Ramifications of this effect are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.468211
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Application of a distributed nucleus approximation in grid based minimization of the Kohn–Sham energy functional (1995)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 103 (1995), S. 227-233 
    Details
    ISSN: 1089-7690
    Source: AIP Digital Archive
    Topics: Physics , Chemistry and Pharmacology
    Notes: In the distributed nucleus approximation we represent the singular nucleus as smeared over a small portion of a Cartesian grid. Delocalizing the nucleus allows us to solve the Poisson equation for the overall electrostatic potential using a linear scaling multigrid algorithm. This work is done in the context of minimizing the Kohn–Sham energy functional directly in real space with a multiscale approach. The efficacy of the approximation is illustrated by locating the ground state density of simple one electron atoms and molecules and more complicated multiorbital systems. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.469636
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    Paper (German National Licenses)
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  • 3
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    Compilation of swath-mapping bathymetry from oceanic transform fault systems - a global approach (2020)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: Bathymetric data from oceanic transform faults and their associated fracture zones were compiled, providing high-resolution gridded seafloor topography. Data used in this compilation were open and archived at US American National Oceanographic and Atmospheric Administration (https://maps.ngdc.noaa.gov/viewers/bathymetry), Japan Agency for Marine-Earth Science and Technology (http://www.godac.jamstec.go.jp/darwin/e), and the German Datacenter for bathymetric data (https://www.bsh.de/EN/DATA/Oceanographic_Data_Center/Surveying_data/surveying_data_node). Data were processed and gridded using Multibeam System (https://www.mbari.org/products/research-software/mb-system) and can be displayed using Generic Mapping Tools (https://gmt.soest.hawaii.edu). All grids are in netCDF format. The compilation includes transform faults and fracture zones from the Northern and Southern East Pacific Rise, the Cosos-Nazca spreading center, Chile Rise and the Pacific Antarctic Ridge, the Southwest Indian Ridge, Central Indian Ridge and Southeast Indian Ridge as well as the Mid-Atlantic Ridge.
    Keywords: Area/locality; Binary Object; Binary Object (File Size); Binary Object (Media Type); CIR_Argo; CIR_FractureZone_MarieCelester; CIR_MarieCelester; CocosSpreadingRidge_Transform85W; CocosSpreadingRidge_Transform91W; CR_Transform39S; CR_Transform43S; EPR_Clipperton; EPR_Orozco; Event label; fracture zones; gridded bathymetry; Indian Ocean; Latitude of event; Longitude of event; MAR_Ascension; MAR_Atlantis; MAR_Cox; MAR_FractureZone_2345S; MAR_Hayes; MAR_Kane; MAR_Marathon; MAR_Oceanographer; MAR_Transform2220S; MAR_Transform2545S; Mid-Ocean Ridges; North Pacific Ocean; PAR_Pitman; SBM; SEIR_Transform100E; SEIR_Transform103E; SEIR_Transform78E; SEIR_Transform88E; SEIR_Vlamingh; SEIR_Zeewolf; SEPR_Garrett; SEPR_Gofar; SEPR_Quebrada_Discovery; South Atlantic Ocean; South Pacific Ocean; Swath bathymetry mapping; swath-mapping echosounding; SWIR_AndrewBain_NE; SWIR_AndrewBain_SW; SWIR_AtlantisII; SWIR_DuTroit; SWIR_FractureZone_5545E; SWIR_Marion; SWIR_Shaka; transform faults
    Type: Dataset
    Format: text/tab-separated-values, 108 data points
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    DATA PANGAEA
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