Zobrazeno 1 - 10
of 36 473
pro vyhledávání: '"Caplan, A."'
Quasi-separatrix layers (QSLs) at the Sun are created from regions where channels of open magnetic flux have footpoints near regions of large-scale closed magnetic flux. These regions are particularly prone to magnetic reconnection at the Sun. In rec
Externí odkaz:
http://arxiv.org/abs/2410.07420
Autor:
Caplan, M. E., Yaacoub, D.
Diffusion coefficients for crystallized Coulomb plasmas are essential microphysics input for modeling white dwarf cores and neutron star crusts but are poorly understood. In this work we present a model for diffusion in Coulomb crystals. We show that
Externí odkaz:
http://arxiv.org/abs/2409.07513
Autor:
Caplan, Ronald M., Stulajter, Miko M., Linker, Jon A., Larkin, Jeff, Gabb, Henry A., Su, Shiquan, Rodriguez, Ivan, Tschirhart, Zachary, Malaya, Nicholas
There is a continuing interest in using standard language constructs for accelerated computing in order to avoid (sometimes vendor-specific) external APIs. For Fortran codes, the {\tt do concurrent} (DC) loop has been successfully demonstrated on the
Externí odkaz:
http://arxiv.org/abs/2408.07843
Presently, primordial black holes (PBHs) in the asteroid-mass window from $10^{-16}$ M$_\odot$ to $10^{-10}$ M$_\odot$ are a popular dark matter candidate. If they exist, some stars would capture them upon formation, and they would slowly accrete the
Externí odkaz:
http://arxiv.org/abs/2406.17052
Autor:
Wang, Jade, Bilyeu, Bryan, Boroson, Don, Caplan, Dave, Riesing, Kat, Robinson, Bryan, Schieler, Curt, Johnson, Michael D., Blackburn, Lindy, Haworth, Kari, Houston, Janice, Issaoun, Sara, Palumbo, Daniel, Richards, Elliot, Srinivasan, Ranjani, Weintroub, Jonathan, Marrone, Dan
The Black Hole Explorer (BHEX) is a mission concept that can dramatically improve state-of-the-art astronomical very long baseline interferometry (VLBI) imaging resolution by extending baseline distances to space. To support these scientific goals, a
Externí odkaz:
http://arxiv.org/abs/2406.09572
Autor:
Caplan, Philip Claude
This paper addresses two problems needed to support four-dimensional ($3d + t$) spacetime numerical simulations. The first contribution is a general algorithm for producing conforming spacetime meshes of moving geometries. Here, the surface points of
Externí odkaz:
http://arxiv.org/abs/2403.19036
Unconditionally stable time stepping schemes are useful and often practically necessary for advancing parabolic operators in multi-scale systems. However, serious accuracy problems may emerge when taking time steps that far exceed the explicit stabil
Externí odkaz:
http://arxiv.org/abs/2403.01004
Autor:
Heinemann, Stephan G., Owens, Mathew J., Temmer, Manuela, Turtle, James A., Arge, Charles N., Henney, Carl J., Pomoell, Jens, Asvestari, Eleanna, Linker, Jon A., Downs, Cooper, Caplan, Ronald M., Hofmeister, Stefan J., Scolini, Camilla, Pinto, Rui F., Madjarska, Maria S.
Coronal holes are recognized as the primary sources of heliospheric open magnetic flux (OMF). However, a noticeable gap exists between in-situ measured OMF and that derived from remote sensing observations of the Sun. In this study, we investigate th
Externí odkaz:
http://arxiv.org/abs/2402.12805
Autor:
Sanhinova, Malika, Haouchine, Nazim, Pieper, Steve D., Wells III, William M., Balboni, Tracy A., Spektor, Alexander, Huynh, Mai Anh, Guenette, Jeffrey P., Czajkowski, Bryan, Caplan, Sarah, Doyle, Patrick, Kang, Heejoo, Hackney, David B., Alkalay, Ron N.
Accurate and reliable registration of longitudinal spine images is essential for assessment of disease progression and surgical outcome. Implementing a fully automatic and robust registration is crucial for clinical use, however, it is challenging du
Externí odkaz:
http://arxiv.org/abs/2402.09341
Autor:
Jarolim, Robert, Tremblay, Benoit, Muñoz-Jaramillo, Andrés, Bintsi, Kyriaki-Margarita, Jungbluth, Anna, Santos, Miraflor, Vourlidas, Angelos, Mason, James P., Sundaresan, Sairam, Downs, Cooper, Caplan, Ronald M.
Publikováno v:
ApJL 961 L31 (2024)
To understand its evolution and the effects of its eruptive events, the Sun is permanently monitored by multiple satellite missions. The optically-thin emission of the solar plasma and the limited number of viewpoints make it challenging to reconstru
Externí odkaz:
http://arxiv.org/abs/2401.16388