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dc.contributor.authorCHANDRA, P. V. S. PAVANen_US
dc.contributor.authorKorwar, Mrunalen_US
dc.contributor.authorTHALAPILLIL, ARUN M.en_US
dc.date.accessioned2020-04-30T06:03:03Z
dc.date.available2020-04-30T06:03:03Z
dc.date.issued2020-04en_US
dc.identifier.citationPhysical Review D, 101(7).en_US
dc.identifier.issn2470-0010en_US
dc.identifier.issn2470-0029en_US
dc.identifier.urihttp://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/4566-
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.101.075028en_US
dc.description.abstractFuture observations of continuous gravitational waves from single neutron stars, apart from their monumental astrophysical significance, could also shed light on fundamental physics and exotic particle states. One such avenue is based on the fact that magnetic fields cause deformations of a neutron star, which results in a magnetic-field-induced quadrupole ellipticity. If the magnetic and rotation axes are different, this quadrupole ellipticity may generate continuous gravitational waves which may last decades, and may be observable in current or future detectors. Light, milli-magnetic monopoles, if they exist, could be pair-produced nonperturbatively in the extreme magnetic fields of neutron stars, such as magnetars. This nonperturbative production furnishes a new, direct dissipative mechanism for the neutron star magnetic fields. Through their consequent effect on the magnetic-field-induced quadrupole ellipticity, they may then potentially leave imprints in the early stage continuous gravitational wave emissions. We speculate on this possibility in the present study, by considering some of the relevant physics and taking a very simplified toy model of a magnetar as the prototypical system. Preliminary indications are that new-born millisecond magnetars could be promising candidates to look for such imprints. Deviations from conventional evolution, and comparatively abrupt features in the early stage gravitational waveforms, distinct from other astrophysical contributions, could be distinguishable signatures for these exotic monopole states.en_US
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.subjectQuantum-Field-Theoryen_US
dc.subjectNucleon Decayen_US
dc.subjectPair Productionen_US
dc.subjectSearchen_US
dc.subjectDeformationsen_US
dc.subjectMountainsen_US
dc.subjectRadiationen_US
dc.subjectCatalysisen_US
dc.subjectEmissionen_US
dc.subjectTOC-APR-2020en_US
dc.subject2020en_US
dc.subject2020-APR-WEEK5en_US
dc.titleContinuous gravitational waves and magnetic monopole signatures from single neutron starsen_US
dc.typeArticleen_US
dc.contributor.departmentDept. of Physicsen_US
dc.identifier.sourcetitlePhysical Review Den_US
dc.publication.originofpublisherForeignen_US
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