TY - JOUR
T1 - Expectation values of descendent fields in the sine-gordon model
AU - Fateev, Vladimir
AU - Fradkin, Dmitri
AU - Lukyanov, Sergei
AU - Zamolodchikov, Alexander
AU - Zamolodchikov, Alexei
N1 - Funding Information:
A.Z. acknowledgeksi nd hospitalityo f ITP at Santa Barbara (and the supportingN SF grant No. PHY94-07194) where this work was started.R esearchw ork of S.L. and A.Z. is supportedb y DOE grant #DE-FG05-90ER40559.
PY - 1999/2/15
Y1 - 1999/2/15
N2 - We obtain exactly the vacuum expectation values <(∂φ)2(∂̄φ)2eiαφ> in the sine-Gordon model and 2L̄_2Φl,k> in the sine-Gordon model and in Φ1,3 perturbed minimal CFT. We discuss applications of these results to short-distance expansions of two-point correlation functions.
AB - We obtain exactly the vacuum expectation values <(∂φ)2(∂̄φ)2eiαφ> in the sine-Gordon model and 2L̄_2Φl,k> in the sine-Gordon model and in Φ1,3 perturbed minimal CFT. We discuss applications of these results to short-distance expansions of two-point correlation functions.
KW - Conformal perturbation theory
KW - Integrable quantum field theory
KW - Vacuum expectation values
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U2 - 10.1016/S0550-3213(98)00724-X
DO - 10.1016/S0550-3213(98)00724-X
M3 - Article
AN - SCOPUS:0033556968
SN - 0550-3213
VL - 540
SP - 587
EP - 609
JO - Nuclear Physics B
JF - Nuclear Physics B
IS - 3
ER -