128,068 research outputs found

    A note on the Moll-Arias de Reyna integral

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    Producción CientíficaThe Moll-Arias de Reyna integral is generalized and several values are given.Ministerio de Economía, Industria y Competitividad (project MTM2014-57129-C2-1-P)Junta de Castilla y León (project VA057U16

    A New Cosmological Paradigm: the Cosmological Constant and Dark Matter

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    The Standard Cosmological Model of the 1980's is no more. I describe the definitive evidence that the density of matter is insufficient to result in a flat universe, as well as the mounting evidence that the cosmological constant is not zero. I finally discuss the implications of these results for particle physics and direct searches for non-baryonic dark matter, and demonstrate that the new news is good news.Comment: 11 pages, latex, including 4 embedded figs. Based on invited lectures at PASCOS98, Boston; Tropical Workshop on Particle Physics and Cosmology and Particle Physics, San Juan; WEIN 98, Santa Fe. To appear in these proceeding

    A note on the exact Green function for a quantum system decorated by two or more impurities

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    Producción CientíficaThe exact Green function is constructed for a quantum system, with known Green function, which is decorated by two delta function impurities. It is shown that when two such impurities coincide they behave as a single singular potential with combined amplitude. The results are extended to N impurities and higher dimensions.Ministerio de Economía, Industria y Competitividad (project ct MTM2014-57129-C2-1)Junta de Castilla y León (project VA057U

    IUPUC Spatial Innovation Lab

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    During the summer of 2016 the IUPUC ME Division envi-sioned the concept of an “Imagineering Lab” based largely on academic makerspace concepts. Important sub-sections of the Imagineering Lab are its “Actualization Lab” (mecha-tronics, actuators, sensors, DAQ devices etc.) and a “Spatial Innovation Lab” (SIL) based on developing “dream stations” (computer work stations) equipped with exciting new tech-nology in intuitive 2D and 3D image creation and Virtual Reality (VR) technology. The objective of the SIL is to cre-ate a work flow converting intuitively created imagery to an-imation, engineering simulation and analysis and computer driven manufacturing interfaces. This paper discusses the challenges and methods being used to create a sustainable Spatial Innovation Lab
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