Descent relations and the~oscillator level-truncation method
Teoretičeskaâ i matematičeskaâ fizika, Tome 150 (2007) no. 1, pp. 5-25
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We reexamine the oscillator level-truncation method in the bosonic string
field theory by calculating the descent relation
$\langle V_3\mid V_1\rangle=\widetilde{Z}_3\langle V_2|$.
We use the fermionic vertices in the standard oscillator
basis for the ghost sector. We propose two new calculation schemes: in
the first, we assume that the insertion satisfies the overlap equation for
the vertices; in the second, we use direct calculations. In both
schemes, we obtain the correct structures of the exponent and preexponent of
the vertex $\langle V_2|$, but we find different normalization factors
$\widetilde Z_3$ .
Keywords:
string field theory, level truncation.
@article{TMF_2007_150_1_a0,
author = {I. Ya. Aref'eva and R. V. Gorbachev and P. B. Medvedev and D. V. Rychkov},
title = {Descent relations and the~oscillator level-truncation method},
journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
pages = {5--25},
publisher = {mathdoc},
volume = {150},
number = {1},
year = {2007},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TMF_2007_150_1_a0/}
}
TY - JOUR AU - I. Ya. Aref'eva AU - R. V. Gorbachev AU - P. B. Medvedev AU - D. V. Rychkov TI - Descent relations and the~oscillator level-truncation method JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2007 SP - 5 EP - 25 VL - 150 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2007_150_1_a0/ LA - ru ID - TMF_2007_150_1_a0 ER -
%0 Journal Article %A I. Ya. Aref'eva %A R. V. Gorbachev %A P. B. Medvedev %A D. V. Rychkov %T Descent relations and the~oscillator level-truncation method %J Teoretičeskaâ i matematičeskaâ fizika %D 2007 %P 5-25 %V 150 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2007_150_1_a0/ %G ru %F TMF_2007_150_1_a0
I. Ya. Aref'eva; R. V. Gorbachev; P. B. Medvedev; D. V. Rychkov. Descent relations and the~oscillator level-truncation method. Teoretičeskaâ i matematičeskaâ fizika, Tome 150 (2007) no. 1, pp. 5-25. http://geodesic.mathdoc.fr/item/TMF_2007_150_1_a0/