Geodesic
Noncommutative $p$-Tachyon
Trudy Matematicheskogo Instituta imeni V.A. Steklova, Selected topics of $p$-adic mathematical physics and analysis, Tome 245 (2004), pp. 91-98

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Following a brief review of the tachyon field of $p$-adic string theory, we consider a noncommutative deformation of this field theory. This is done by replacing ordinary products with noncommutative products in the exact effective action of this field. Solitonic lumps corresponding to D-branes are obtained for all values of the noncommutativity parameter $\theta$. 
@article{TM_2004_245_a9,
     author = {D. Ghoshal},
     title = {Noncommutative $p${-Tachyon}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {91--98},
     publisher = {mathdoc},
     volume = {245},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_2004_245_a9/}
}
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D. Ghoshal. Noncommutative $p$-Tachyon. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Selected topics of $p$-adic mathematical physics and analysis, Tome 245 (2004), pp. 91-98. http://geodesic.mathdoc.fr/item/TM_2004_245_a9/