9812066v1

related topics
{field, particle, equation}
{equation, function, exp}
{operator, operators, space}
{group, space, representation}
{theory, mechanics, state}
{particle, mechanics, theory}
{cos, sin, state}
{bell, inequality, local}

On discrete symmetry for spin 1/2 and spin 1 particles in external monopole field and quantum-mechanical property of self-conjugacy

V. M. Red'kov

abstract: Particles of spin 1/2 and 1 in external Abelian monopole field are considered. P-inversion like operators N-s commuting with the respective Hamiltonians are constructed: N(bisp.) is diagonalized onto the relevant wave functions, whereas N(vect.) does not. Such a paradox is rationalized through noting that both these operators are not self-conjugate. It is shown that any N-parity selection rules cannot be produced. Non-Abelian problems for doublets of spin 1/2 and 1 particles are briefly discussed; the statement is given of that corresponding discrete operators are self-conjugate and selection rules are available.

oai_identifier:
oai:arXiv.org:quant-ph/9812066
categories:
quant-ph
comments:
14 pages, latex209
arxiv_id:
quant-ph/9812066
created:
1998-12-23

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