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HIGH Q BPS MONOPOLE BAGS ARE URCHINS
Evslin, J; Gudnason, SB
2014
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS A
卷号29期号:1页码:1450004
摘要It has been known for 30 years that't Hooft-Polyakov monopoles of charge Q greater than one cannot be spherically symmetric. Five years ago, Bolognesi conjectured that, at some point in their moduli space, BPS monopoles can become approximately spherically symmetric in the high Q limit. In this paper, we determine the sense in which this conjecture is correct. We consider an SU(2) gauge theory with an adjoint scalar field, and numerically find configurations with Q units of magnetic charge and a mass which is roughly linear in Q, for example, in the case Q = 81 we present a configuration whose energy exceeds the BPS bound by about 54%. These approximate solutions are constructed by gluing together Q cones, each of which contains a single unit of magnetic charge. In each cone, the energy is largest in the core, and so a constant energy density surface contains Q peaks and thus resembles a sea urchin.
关键词Magnetic monopole classical field theory solution
学科领域Physics
DOI10.1142/S0217751X14500043
收录类别SCI
WOS记录号WOS:000329521900005
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225043
专题理论物理室
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Evslin, J,Gudnason, SB. HIGH Q BPS MONOPOLE BAGS ARE URCHINS[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2014,29(1):1450004.
APA Evslin, J,&Gudnason, SB.(2014).HIGH Q BPS MONOPOLE BAGS ARE URCHINS.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,29(1),1450004.
MLA Evslin, J,et al."HIGH Q BPS MONOPOLE BAGS ARE URCHINS".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 29.1(2014):1450004.
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