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

doi:10.1103/PhysRevX.7.021023

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

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Abstract

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 language	English
Article number	021023
Pages (from-to)	1-10
Journal	Physical Review X
Volume	7
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevX.7.021023
Publication status	Published - 17 May 2017
MoE publication type	A1 Journal article-refereed

Keywords

Atomic and Molecular Physics

Access to Document

10.1103/PhysRevX.7.021023

PhysRevX.7.021023Final published version, 2.58 MBLicence: CC BY

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QUESS - Quantum Environment Engineering for Steered Systems
Keränen, A., Ma, J., Möttönen, M., Silveri, M., Tiurev, K., Girard, J., Gunyhó, A., Lebedeff, S., Mäkinen, A., Tuorila, J., Mörstedt, T., Oinonen, N., Partanen, M., Ikonen, J., Kohvakka, K., Abuzaid, O., Tuohino, S., Kivijärvi, H. & Sah, A.
23/12/2016 → 31/12/2021
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title = "Experimental Realization of a Dirac Monopole through the Decay of an Isolated Monopole",

abstract = "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.",

keywords = "Atomic and Molecular Physics",

author = "Tuomas Ollikainen and Konstantin Tiurev and Alina Blinova and Wonjae Lee and D.S. Hall and Mikko M{\"o}tt{\"o}nen",

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AU - Ollikainen, Tuomas

AU - Tiurev, Konstantin

AU - Blinova, Alina

AU - Lee, Wonjae

AU - Hall, D.S.

AU - Möttönen, Mikko

N1 - | openaire: EC/H2020/681311/EU//QUESS

PY - 2017/5/17

Y1 - 2017/5/17

N2 - 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.

AB - 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.

KW - Atomic and Molecular Physics

U2 - 10.1103/PhysRevX.7.021023

DO - 10.1103/PhysRevX.7.021023

M3 - Article

VL - 7

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EP - 10

JO - Physical Review X

JF - Physical Review X

SN - 2160-3308

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M1 - 021023

ER -

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

Abstract

Keywords

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QUESS - Quantum Environment Engineering for Steered Systems

Science-IT

Cite this