0409011v4

related topics
{field, particle, equation}
{operator, operators, space}
{energy, gaussian, time}
{group, space, representation}
{observables, space, algebra}
{bell, inequality, local}
{let, theorem, proof}

Common Space of Spin and Spacetime

Wei Min Jin

abstract: Given Lorentz invariance in Minkowski spacetime, we investigate a common space of spin and spacetime. To obtain a finite spinor representation of the non-compact homogeneous Lorentz group including Lorentz boosts, we introduce an indefinite inner product space (IIPS) with a normalized positive probability. In this IIPS, the common momentum and common variable of a massive fermion turn out to be ``doubly strict plus-operators''. Due to this nice property, it is straightforward to show an uncertainty relation between fermion mass and proper time. Also in IIPS, the newly-defined Lagrangian operators are self-adjoint, and the fermion field equations are derivable from the Lagrangians. Finally, the nonlinear QED equations and Lagrangians are presented as an example.

oai_identifier:
oai:arXiv.org:quant-ph/0409011
categories:
quant-ph gr-qc hep-th
comments:
17 pages, a reference corrected, final version published on Foundations of Physics Letters in June of 2005, as a personal tribute to Einstein and Dirac
doi:
10.1007/s10702-005-6115-z
arxiv_id:
quant-ph/0409011
journal_ref:
Found.Phys.Lett. 18 (2005) 243-258
created:
2004-09-01
updated:
2006-08-17

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