Sumários
Canonical quantization of closed bosonic string
12 março 2020, 16:30 • Gabriel Czerwionka Lopes Cardoso
Spectrum of low-lying states of the closed bosonic string.
Canonical quantization of closed bosonic string
10 março 2020, 16:30 • Gabriel Czerwionka Lopes Cardoso
Virasoro algebra. Constraints om state space.
No ghost theorem of Brower-Goddard-Thorn. Spectrum of low-lying states of the closed bosonic string.
Canonical quantization of closed bosonic string
5 março 2020, 16:30 • Gabriel Czerwionka Lopes Cardoso
A first encounter with modular forms and T-duality: the string partition function for a closed string moving on a circle. Representation space. Virasoro operators, normal ordered.
Canonical quantization of closed bosonic string
3 março 2020, 16:30 • Gabriel Czerwionka Lopes Cardoso
Canonical quantization of the harmonic oscillator and partition function. Canonical quantization of closed bosonic string.
Closed string and mode expansion
27 fevereiro 2020, 16:30 • Gabriel Czerwionka Lopes Cardoso
Closed string in conformal gauge: mode expansion. Mode expansion of world sheet energy momentum tensor. World sheet Hamiltonian. Closed string mass shell condition. Hamiltonian mechanics, Poisson algebra, Poisson brackets for closed strings, Witt-Poisson algebra.