Expectation values of boundary fields in the boundary sine-Gordon model
Author/Authors :
Vladimir Fateev، نويسنده , , Sergei Lukyanov، نويسنده , , Alexander Zamolodchikov، نويسنده , , Alexei Zamolodchikov، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1997
Pages :
6
From page :
83
To page :
88
Abstract :
We propose an explicit expression for vacuum expectation values of the boundary field eiaϕB in the boundary sine-Gordon model with zero bulk mass. This expression agrees with known exact results for the boundary free energy and with perturbative calculations.