String theory in the Nambu--Goto formalism and noncommutativity
نویسندگان
چکیده
منابع مشابه
The measure in three dimensional Nambu - Goto string theory
We show that the measure of the three dimensional Nambu-Goto string theory has a simple decomposition as a measure on two parameter group of induced areapreserving transformations of the immersed surface and a trivial measure for the area of the surface. Permanent add ress: Yerevan Physics Institute, Br.Alikhanian st.2, Yerevan 36, Armenia
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Using a covariant and gauge invariant geometric structure constructed on the Witten covariant phase space for Dirac-Nambu-Goto p-branes propagating in a curved background, we find the canonically conjugate variables, and the relevant commutation relations are considered, as well as, we find the canonical variables for the Gauss-Bonnet topological term in string theory.
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Using a covariant and gauge invariant geometric structure constructed on the Witten covariant phase space for Dirac-Nambu-Goto p-branes propagating in a curved background, we find the canonically conjugate variables, and the relevant commutation relations are considered, as well as, we find the canonical variables for the Gauss-Bonnet topological term in string theory.
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We consider a bosonic string propagating in 4–dimMinkowski space. We show that in the orthonormal gauge the classical system exhibits a hidden W∞ chiral symmetry, arising from the equivalence of its transverse modes with the SU(2)/U(1) coset model defined on the string world–sheet. Generalizations to other string backgrounds are proposed. We also define a Liouville–like transformation that maps...
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ژورنال
عنوان ژورنال: Journal of Physical Studies
سال: 2019
ISSN: 1027-4642,2310-0052
DOI: 10.30970/jps.23.1103