Journal
PHYSICAL REVIEW D
Volume 73, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.73.114016
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We construct strangelets, taking into account electrostatic effects, including Debye screening, and arbitrary surface tension sigma of the interface between vacuum and quark matter. We find that there is a critical surface tension sigma(crit) below which large strangelets are unstable to fragmentation and below which quark star surfaces will fragment into a crystalline crust made of charged strangelets immersed in an electron gas. We derive a model-independent relationship between sigma(crit) and two parameters that characterize any quark matter equation of state. For reasonable model equations of state, we find sigma(crit) typically of order a few MeV/fm(2). If sigma <=sigma(crit), the size-distribution of strangelets in cosmic rays could feature a peak corresponding to the stable strangelets that we construct.
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