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Kyungsun Lee (KIAS)
Thursday 12 March 2026, 13:00-14:00
A Multisymplectic View of Branes
- 👤 Speaker: Kyungsun Lee (KIAS)
- 📅 Date & Time: Thursday 12 March 2026, 13:00 - 14:00
- 📍 Venue: Potter room
Abstract
In this on-going work, we study p-brane dynamics from the viewpoint of multisymplectic geometry, in which the standard symplectic 2-form is replaced by a closed non-degenerate (p+2)-form on a finite-dimensional extended phase space. In this setting, graded Poisson brackets organize into an L∞-algebra, providing a higher algebraic framework for brane observables that goes beyond the standard Lie algebraic description. I will show that Poincaré invariance together with the existence of Hamiltonian flows strongly constrains the admissible mass-shell conditions within this framework, recovering the Nambu–Goto constraint as a particular case. I will also discuss multi-coadjoint orbit constructions that parallel the classical orbit method for particles.
Series This talk is part of the Quantum Fields and Strings Seminars series.
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