Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: 6-dimensional Kaluza-Klein Theory for Basic Quantum Particles and
  Electron-Photon Interaction   By extending original Kaluza-Klein theory to 6-dimension, the basic quantum
field equations for 0-spin particle, 1-spin particle and 1/2 spin particle with
mass >0 are directly derived from 6-dimensional Einstein equations. It shows
that the current quantum field equations of basic particles become pure
geometry properties under 6-dimension time-space. The field equations of
electron and photon can be unified in one 6-dimensional extended Maxwell
equation. The equations containing interactions between electron and photon
will be derived from Einstein equation under 6-dimension time-space. It shows
that the interactions in QED can be considered as the effect of local geometry
curvature changing instead of exchange virtual photons.

12
The categories of this paper are: nucl-th
30
The categories of this paper are: q-alg
4
The categories of this paper are: cond-mat
35
The categories of this paper are: mtrl-th
15
The categories of this paper are: nucl-ex
11
The categories of this paper are: hep-lat
22
The categories of this paper are: chao-dyn
7
The categories of this paper are: hep-th
33
The categories of this paper are: plasm-ph
14
The categories of this paper are: math-ph
20
The categories of this paper are: acc-phys
23
The categories of this paper are: solv-int
0
The categories of this paper are: hep-ph
26
The categories of this paper are: bayes-an
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess