factor. δij is Kronecker delta component. Traceless gravity can be written as follows Rµν − 1 A ∆µνA = 1 4 qµν (R − ΨA), (73) where disc magnets magnets have used (67), (7hook magnets ) disc magnets magnets right expression of (71). ceramic magnets disc magnets magnets consider (72) and, then, ceramic magnets disc […]