57 citations · 77 across the 7 of their papers we have counts for
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hep-th2003
Classical O(N) nonlinear sigma model on the half line: a study on consistent Hamiltonian description
Wenli He, Liu Zhao
The problem of consistent Hamiltonian structure for O(N) nonlinear sigma model in the presence of five different types of boundary conditions is considered in detail. For the case…
hep-th2003★ 2 cited
On open string in generic background
Liu Zhao, Wenli He
A set of consistent Poisson brackets for an open string in generic spacetime background and NS-NS -field is constructed. Upon quantization, this set of Poisson brackets lead to…