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Bosonic String and String Field Theory: a Solution Using Ultradistributions of Exponential Type

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Abstract

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.

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Authors and Affiliations

  1. Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, C.C. 67 (1900), La Plata, Argentina

    C. G. Bollini & M. C. Rocca

Authors
  1. C. G. Bollini
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  2. M. C. Rocca
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Corresponding author

Correspondence to C. G. Bollini.

Additional information

This work was partially supported by Consejo Nacional de Investigaciones Científicas and Comisión de Investigaciones Científicas de la Pcia. de Buenos Aires, Argentina.

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Bollini, C.G., Rocca, M.C. Bosonic String and String Field Theory: a Solution Using Ultradistributions of Exponential Type. Int J Theor Phys 47, 1409–1423 (2008). https://doi.org/10.1007/s10773-007-9583-z

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  • DOI: https://doi.org/10.1007/s10773-007-9583-z

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