Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-06-10
Int.J.Theor.Phys.47:1409-1423,2008
Physics
High Energy Physics
High Energy Physics - Theory
30 pages
Scientific paper
10.1007/s10773-007-9583-z
In this paper we show that Ultradistributions of Exponential Type (UET) are appropriate for the description in a consistent way string and string field theories. A new Lagrangian for the closed string is obtained and shown to be equivalent to Nambu-Goto's Lagrangian. We also show that the string field is a linear superposition of UET of compact support CUET). We evaluate the propagator for the string field, and calculate the convolution of two of them.
Bollini C. G.
Rocca M. C.
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