Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1994-02-10
J.Math.Phys.36:383-387,1995
Physics
High Energy Physics
High Energy Physics - Theory
16 pages, preprint CBPF-NF-016/94
Scientific paper
10.1063/1.531313
We discuss solutions of the spherically symmetric wave equation and Klein Gordon equation in an arbitrary number of spatial and temporal dimensions. Starting from a given solution, we present various procedures to generate futher solutions in the same or in different dimensions. The transition from odd to even or non integer dimensions can be performed by fractional derivation or integration. The dimensional shift, however, can also be interpreted simply as a modification of the dynamics. We also discuss the analytic continuation to arbitrary real powers of the D'Alembert operator. There, particular peculiarities in the pole structure show up when $p$ and $q$ are both even. Finally we give operators which transform a time into a space coordinate and v.v. and comment on their possible relation to black holes. In this context, we describe a few aspects of the extension of our discussion to a curved metrics.
Bietenholz Wolfgang
Giambiagi J. J.
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