Experimental Realization of a Dirac Monopole through the Decay of an Isolated Monopole

Tuomas Ollikainen, Konstantin Tiurev, Alina Blinova, Wonjae Lee, D.S. Hall, Mikko Möttönen

Research output: Contribution to journalArticleScientificpeer-review

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We experimentally observe the decay dynamics of deterministically created isolated monopoles in spin-1 Bose-Einstein condensates. As the condensate undergoes a change between magnetic phases, the isolated monopole gradually evolves into a spin configuration hosting a Dirac monopole in its synthetic magnetic field. We characterize in detail the Dirac monopole by measuring the particle densities of the spin states projected along different quantization axes. Importantly, we observe the spontaneous emergence of nodal lines in the condensate density that accompany the Dirac monopole. We also demonstrate that the monopole decay accelerates in weaker magnetic field gradients.
Original languageEnglish
Article number021023
Pages (from-to)1-10
JournalPhysical Review X
Issue number2
Publication statusPublished - 17 May 2017
MoE publication typeA1 Journal article-refereed


  • Atomic and Molecular Physics


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