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Collective excitations of a quantized vortex in $^3P_2$ superfluids in neutron stars

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arxiv 1612.05588 v2 pith:HHLIILOL submitted 2016-12-16 nucl-th astro-ph.HE

classification nucl-thastro-ph.HE
keywords neutronexcitationscollectivemodesquantizedstarssuperfluidsvortex
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abstract

We discuss collective excitations (both fundamental and solitonic excitations) of quantized superfluid vortices in neutron $^3P_2$ superfluids, which likely exist in high density neutron matter such as neutron stars. Besides the well-known Kelvin modes (translational zero modes), we find a gapfull mode whose low-energy description takes the simple form of a double sine-Gordon model. The associated kink solution and its effects on spontaneous magnetization inside the vortex core are analyzed in detail.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Microscopic description of axisymmetric vortices in $^{3}P_{2}$ superfluids

    cond-mat.supr-con 2019-08 conditional novelty 8.0 of 10

    Microscopic calculations show the o vortex is the most stable axisymmetric vortex in 3P2 superfluids under strong magnetic fields and hosts two zero-energy Majorana fermions in its core.

  2. Critical endpoint and universality class of neutron $^3P_2$ superfluids in neutron stars

    nucl-th 2019-08 conditional novelty 5.0 of 10

    The critical endpoint between two nematic phases of neutron 3P2 superfluids shows critical exponents (α≈0.6, β≈0.4, γ≈0.5, δ≈2.3) that the authors interpret as evidence of a new universality class.

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