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SUMMARY:Investigating the impact of anisotropy on the fundamental mode of 
 nonradial oscillations in neutron stars within a fully general relativisti
 c framework
DTSTART;VALUE=DATE-TIME:20260821T192000Z
DTEND;VALUE=DATE-TIME:20260821T194000Z
DTSTAMP;VALUE=DATE-TIME:20260828T004240Z
UID:indico-contribution-1475@indico.uni.edu.pe
DESCRIPTION:Speakers: José Arbañil (Universidad Privada del Norte)\nThe 
 effects of anisotropy on the fundamental (f-) mode oscillation frequency a
 nd the dimensionless tidal deformability of neutron stars are investigated
  within a fully general relativistic framework. To this end\, the equation
 s governing nonradial stellar oscillations and tidal deformability are ref
 ormulated from their conventional expressions to incorporate an anisotropi
 c contribution. The matter composing the compact star is described by an e
 quation of state obtained by connecting microscopic nuclear physics calcul
 ations with perturbative QCD results through a piecewise-polytropic interp
 olation scheme. The anisotropy is modeled using a local prescription that 
 remains regular throughout the stellar interior and vanishes at both the c
 enter and the surface. Our results indicate that anisotropy can produce ap
 preciable modifications in both the f-mode frequency and the dimensionless
  tidal deformability. Finally\, we examine the relationship between the an
 isotropy parameter and the constraints on dimensionless tidal deformabilit
 y derived from the GW170817 gravitational-wave event.\n\nhttps://indico.un
 i.edu.pe/event/184/contributions/1475/
LOCATION:UNI\, Lima Perú Auditorio de la Facultad de Ciencias
URL:https://indico.uni.edu.pe/event/184/contributions/1475/
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