- #1
cuerdero
- 6
- 0
trying to get the open string hamiltonian I use
[tex]
H=\int\,d\sigma(\dot{X}.P_{\tau}-L)=\frac{T}{2}\int(\dot{X}^{2}+X'^{2})d\sigma
[/tex]
as in Witten´s book, but we are integrating the Virasoro constraint equal to zero.
So, Is not the Hamiltonian zero?
Please, clarifyme this equation.
[tex]
H=\int\,d\sigma(\dot{X}.P_{\tau}-L)=\frac{T}{2}\int(\dot{X}^{2}+X'^{2})d\sigma
[/tex]
as in Witten´s book, but we are integrating the Virasoro constraint equal to zero.
So, Is not the Hamiltonian zero?
Please, clarifyme this equation.
Last edited: