Gravitational Contraction of Magnetized Clouds
نویسنده
چکیده
In this paper, the dynamical contraction of magnetized clouds is studied from the run-away phase to the accretion phase throughout. Since the non-homologous gravitational contraction necessitates progressively ner spatial resolution, \nested grid technique" (Burger & Oliger 1984) is adopted. As a result, it is found that out ow driven by toroidal magnetic elds is occurred in the accretion phase, which explains molecular out ows in protostellar objects (see also Tomisaka 1998). In contrast, a rotationally supported disk is formed in a cloud core without magnetic elds.
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تاریخ انتشار 2007