Zero-point length, extra-dimensions and string T-duality

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dc.creatorSpallucci, Euro
dc.creatorFontanini, Michele
dc.date2005-08-18
dc.date2005-08-30
dc.date.accessioned2026-07-07T03:29:54Z
dc.date.available2026-07-07T03:29:54Z
dc.descriptionIn this paper, we are going to put in a single consistent framework apparently unrelated pieces of information, i.e. zero-point length, extra-dimensions, string T-duality. More in details we are going to introduce a modified Kaluza-Klein theory interpolating between (high-energy) string theory and (low-energy) quantum field theory. In our model zero-point length is a four dimensional ``virtual memory'' of compact extra-dimensions length scale. Such a scale turns out to be determined by T-duality inherited from the underlying fundamental string theory. From a low energy perspective short distance infinities are cut off by a minimal length which is proportional to the square root of the string slope, i.e. \sqrt{α^\prime}. Thus, we provide a ``bridge'' between the ultra-relativistic string domain and the low energy arena of point-particle quantum field theory.
dc.description28 pages, Latex, no figures; two references added
dc.identifierhttps://arxiv.org/abs/gr-qc/0508076
dc.identifierhttp://arxiv.org/abs/gr-qc/0508076
dc.identifierInvited contribution to ``New Developments in String Theory Research'', S.A. Grece ed.,Nova Science Publ. (2005)
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/35366
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Theory
dc.titleZero-point length, extra-dimensions and string T-duality
dc.typetext

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