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SUMMARY:Self-gravitating bosonic and axionic systems and a minimal model f
 or pulsar glitches. - Rahul Pandit (Indian Institute of Science)
DTSTART:20240618T100000Z
DTEND:20240618T110000Z
UID:TALK218077@talks.cam.ac.uk
DESCRIPTION:We study self-gravitating bosonic systems\, candidates for dar
 k-matter halos\, by carrying out a set of direct numerical simulations des
 igned to investigate the formation of finite-temperature\, compact objects
  in the three-dimensional (3D) Fourier-truncated Gross-Pitaevskii-Poisson 
 equation (GPPE). This truncation allows us to explore the collapse and flu
 ctuations of compact objects over a wide range of model parameters.&nbsp\;
  By introducing a solid-crust potential and rotation in the GPPE\, we deve
 lop a minimal model for pulsars and their glitches. [References: (1)&nbsp\
 ; A.K. Verma\, R. Pandit\, and M.E. Brachet\, The formation of compact obj
 ects at finite temperatures in a dark-matter-candidate self-gravitating bo
 sonic system\, Phys. Rev. Research 3 (2)\, L022016 (2021). (2) A.K. Verma\
 , R. Pandit\, and M.E. Brachet\, Rotating self-gravitating Bose-Einstein c
 ondensates with a crust: a minimal model for pulsar glitches\, Physical Re
 view Research 4 (1)\, 013026 (2022). (3) S. Shukla\, A.K. Verma\, M.E. Bra
 chet\, and R. Pandit\, Gravity- and temperature-driven phase transitions i
 n a model for collapsed axionic condensates\, Phys. Rev. D 109\, 063009 (2
 024). (4) S. Shukla\, M.E. Brachet\, and R. Pandit\, Neutron-superfluid vo
 rtices and proton-superconductor flux tubes: Development of aminimal model
  for pulsar glitches (arXiv preprint 2024).
LOCATION:Seminar Room 2\, Newton Institute
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