منابع مشابه
Kinky D - Strings
We study two-dimensional SQED viewed as the world-volume theory of a D-string in the presence of D5-branes with non-zero background fields that induce attractive forces between the branes. In various approximations, the low-energy dynamics is given by a hyperKähler, or hyperKähler with torsion, massive sigma-model. We demonstrate the existence of kink solutions corresponding to the string inter...
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One of the most demonised forms of consensual sexuality is BDSM (bondage and discipline, domination and submission, and sadomasochism). Many counsellors still consider it appropriate to make negative comments about BDSM in a way that is perceived unacceptable in relation to other aspects of sexuality (Hudson-Allez, 2005). Kolmes, Stock and Moser (2006, p.315) found 118 reports of ‘biased or ina...
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We present a toy model for five-dimensional heterotic M-theory where bulk three-branes, originating in 11 dimensions from M five-branes, are modelled as kink solutions of a bulk scalar field theory. It is shown that the vacua of this defect model correspond to a class of topologically distinct M-theory compactifications. Topology change can then be analysed by studying the time evolution of the...
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Bacteria have evolved many different means of generating movement. In this issue of Cell, Shaevitz et al. (2005) describe the swimming movement of a helical bacterium called Spiroplasma. They discover that Spiroplasma propels itself by generating two temporally distinct kinks that travel the length of the bacterium. These results point to the existence of a contractile apparatus that drives cel...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2006
ISSN: 1029-8479
DOI: 10.1088/1126-6708/2006/08/063