Seminar by Onur Gilanliogullari: Circular Mode Optics for High-Luminosity Colliders
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Europe/Stockholm
92110
92110
Description
Achieving high luminosity in modern colliders requires new ways of controlling beam, collective effects, and transverse phase space structure. One promising approach is circular mode optics, in which the transverse dynamics is described not by the usual horizontal and vertical betatron oscillations, but by rotating coupled eigenmodes. This framework naturally appears in the presence of solenoidal fields and other strongly coupled systems, and it provides a useful language for understanding magnetized beams and beams carrying canonical angular momentum.
This seminar gives a pedagogical introduction to circular mode beams and their optical description. I will first review the linear optics of coupled motion and show how circular eigenmodes emerge as a natural basis for beam dynamics. I will then discuss their physical interpretation, their connection to magnetized beam production, why they may be attractive for applications aiming at high luminosity, and how they are resilient to instabilities . Finally, I will present examples from my own work on circular mode optics and discuss possible implications for future high-intensity and collider systems.
