Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Induction and Amplification of Non-Newtonian Gravitational Fields   One obtains a Maxwell-like structure of gravitation by applying the
weak-field approximation to the well accepted theory of general relativity or
by extending Newton's laws to time-dependent systems. This splits gravity in
two parts, namely a gravitoelectric and gravitomagnetic (or cogravitational)
one. Due to the obtained similar structure between gravitation and
electromagnetism, one can express one field by the other one using a coupling
constant depending on the mass to charge ratio of the field source.
Calculations of induced gravitational fields using state-of-the-art fusion
plasmas reach only accelerator threshold values for laboratory testing.
Possible amplification mechanisms are mentioned in the literature and need to
be explored. The possibility of using the principle of equivalence in the weak
field approximation to induce non-Newtonian gravitational fields and the
influence of electric charge on the free fall of bodies are also investigated,
leading to some additional experimental recommendations.

17
The categories of this paper are: q-fin
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph
19
The categories of this paper are: eess
27
The categories of this paper are: comp-gas
14
The categories of this paper are: math-ph
34
The categories of this paper are: chem-ph
21
The categories of this paper are: adap-org
20
The categories of this paper are: acc-phys
26
The categories of this paper are: bayes-an
6
The categories of this paper are: astro-ph
30
The categories of this paper are: q-alg
24
The categories of this paper are: dg-ga
8
The categories of this paper are: hep-ex
31
The categories of this paper are: ao-sci
4
The categories of this paper are: cond-mat