In QED, the number of positrons minus the number of electrons is
nothing other than the electric charge, which is gauge invariant.
However, the definition of the number of electrons depends upon the
positive/negative frequency decomposition of the Dirac field, which
happens to be gauge dependent.
Re: FETs Vesus Bipolars, Why More Efficient? ... A flow of electric charge. ... The amount of electric charge flowing past a specified circuit ... >> What matters is that electrons have acceleration, ... Of course the Borh model is wrong. ... (sci.electronics.design)
Re: FETs Vesus Bipolars, Why More Efficient? ... A flow of electric charge. ... The amount of electric charge flowing past a specified circuit ... >> What matters is that electrons have acceleration, ... Of course the Borh model is wrong. ... (sci.electronics.design)
Re: Are there particles of magnetic charge ? ... > If there are electrons for electric charge,... > negative versions like electrons and protons. ... > is a warping of spacetime around mass, magnetics also looks like a warping ... (sci.physics)
Re: How an electrostatic gravity is possible ... know what 'causes' electric charge.... If you have 2 electrons, imagine that these both emit a wave which is ... When the waves meet in the middle, ... It is this pressure that pushes apart the electrons. ... (sci.physics)
Re: How an electrostatic gravity is possible ... know what 'causes' electric charge.... If you have 2 electrons, imagine that these both emit a wave which is ... When the waves meet in the middle, ... It is this pressure that pushes apart the electrons. ... (sci.physics)
