Abstract
The gauge potential for the 2-monopole solution is shown to have an infinite line of singularity running from −∞ to +∞ in any fixed direction in the unitary gauge. The string structures for higher monopole solutions in this gauge are also speculated.
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Singh, L.P. Dirac strig for the Ward-Prasad 2-monopole solution. Letters in Mathematical Physics 8, 305–312 (1984). https://doi.org/10.1007/BF00400501
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DOI: https://doi.org/10.1007/BF00400501