Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-03-16
Physics
High Energy Physics
High Energy Physics - Theory
LaTeX 2e, 14 pages. To be published in the Proceedings of XIX-th Max Born Symposium "Fundamental Interactions and Twistor-Like
Scientific paper
10.1063/1.1923329
We employ the modification of the basic Penrose formula in twistor theory, which allows to introduce commuting composite space-time coordinates. It appears that in the course of such modification the internal symmetry SU(2) of two-twistor system is broken to U(1). We consider the symplectic form on two-twistor space, permitting to interpret its 16 real components as a phase-space. After a suitable change of variables such a two-twistor phase space is split into three mutually commuting parts, describing respectively the standard relativistic phase space (8 degrees of freedom), the spin sector (6 degrees of freedom) and the canonical pair angle-charge describing the electric charge sector (2 degrees of freedom). We obtain a geometric framework providing a twistor-inspired 18-dimensional extended relativistic phase space $\mathcal{M}^{18}$. In such a space we propose the action only with first class constraints, describing the relativistic particle characterized by mass, spin and electric charge.
Bette Andreas
Lukierski Jerzy
Miquel-Espanya Cesar
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