Scalar or pseudoscalar?

1. Mar 23, 2014

bsaucer

If an electrically charged particle is a scalar, and a magnetically charged particle is a pseudoscalar, then what is a dyon (having both types of charge), a "mixed-type" scalar? Are there "scalar-like" quantities that can be decomposed into a scalar part and a pseudoscalar part?

2. Mar 23, 2014

Bill_K

Don't you mean to say that magnetic charge is a pseudoscalar quantity? That is not the same thing as saying that a particle with magnetic charge is a pseudoscalar.

Presumably under the parity operation, the magnetic charge of a dyon would change sign, while its electric charge would remain the same.

3. Mar 23, 2014

bsaucer

So, we are dealing with one particle having two numeric "charges", one scalar, one pseudoscalar. Now I have another question: A vector field can be "decomposed" into two vector fields (Helmholtz Decomposition) into two vector fields, which I assume one is a "true" vector field, and one is a pseudovector field. Is there a similar decomposition rule for scalar type fields?