As global demand for sustainable energy surges, the performance ceiling of current battery technologies is increasingly tied to how efficiently ions ...

An emitter near a surface induces an image dipole that can modify the observed emission intensity and radiation pattern. These image-dipole effects are generally not taken into account in ...

In this video, we derive the far-field electric field of a dipole in the perpendicular direction, explaining each step and the physical meaning behind the math. This breakdown helps clarify how dipole ...

Physicists are closer to finding out if the electron is a point charge or whether it has an internal distribution of charge known as an electric dipole moment. For the first time, Ed Hinds and ...

Incompatible moments A spinning charge (left) acts like a loop of current to produce a magnetic dipole moment (blue arrow). Distorting the electron's charge distribution (middle) produces an electric ...

A dipole antenna is easy, right? Two wires, each a quarter wavelength long, emanate from a coax or other feedline. Unless it is an off-center dipole. The length is still the same, but you move the ...