TY  - JOUR
AU  - Fernández-Rañada, Antonio
PY  - 1997
DO  - 10.1016/S0375-9601(97)00366-6
SN  - 0375-9601
UR  - https://hdl.handle.net/20.500.14352/58981
T2  - Physics Letters A
AB  - We prove two properties of the electromagnetic knots in empty space. First, that any standard radiation fields (i.e. satisfying E . B = 0) coincide locally with an electromagnetic knot. Second, that the electric and magnetic helicities of any knot are...
LA  - eng
M2  - 25
PB  - Elsevier
KW  - Electromagnetic Field
KW  - Topological Field
KW  - Knot
KW  - Helicity
KW  - Link.
TI  - Two properties of electromagnetic knots
TY  - journal article
VL  - 232
ER  -