Topological Superfluids

G. E. Volovik

doi:10.1134/S106377611910011X

Topological Superfluids

G. E. Volovik^*

^*Corresponding author for this work

Landau Institute for Theoretical Physics

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Abstract

There are many topological faces of the superfluid phases of ³He. These superfluids contain various topological defects and textures. The momentum space topology of these superfluids is also nontrivial, as well as the topology in the combined (p, r) phase space, giving rise to topologically protected Dirac, Weyl, and Majorana fermions living in bulk, on the surface and within the topological objects. The nontrivial topology lead to different types of anomalies, which extended in many different directions the Landau–Khalatninkov theory of superfluidity.

Original language	English
Pages (from-to)	618-641
Number of pages	24
Journal	Journal of Experimental and Theoretical Physics
Volume	129
Issue number	4
DOIs	https://doi.org/10.1134/S106377611910011X
Publication status	Published - 1 Oct 2019
MoE publication type	A1 Journal article-refereed

Funding

This work has been supported by the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (Grant Agreement no. 694248).

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10.1134/S106377611910011X

SCI_Volovik_Toplogical_Superfluids.JETP1910011VolovikKORcorrectedAccepted author manuscript, 2.5 MB

Cite this

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abstract = "There are many topological faces of the superfluid phases of 3He. These superfluids contain various topological defects and textures. The momentum space topology of these superfluids is also nontrivial, as well as the topology in the combined (p, r) phase space, giving rise to topologically protected Dirac, Weyl, and Majorana fermions living in bulk, on the surface and within the topological objects. The nontrivial topology lead to different types of anomalies, which extended in many different directions the Landau{\textendash}Khalatninkov theory of superfluidity.",

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AB - There are many topological faces of the superfluid phases of 3He. These superfluids contain various topological defects and textures. The momentum space topology of these superfluids is also nontrivial, as well as the topology in the combined (p, r) phase space, giving rise to topologically protected Dirac, Weyl, and Majorana fermions living in bulk, on the surface and within the topological objects. The nontrivial topology lead to different types of anomalies, which extended in many different directions the Landau–Khalatninkov theory of superfluidity.

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Topological Superfluids

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