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Why Don't Magnetic Monopoles Exist?
Jul 28, 2018

They don't exist. Magnetic monopoles may exist. However, we did not find anything that happened naturally.

For electromagnets, their magnetic field is generated by moving the point charge, usually a copper coil through which current flows.

For permanent magnets, um... it's a bit more complicated than this. If you look at the quantum structure of an atom, what matters more is the behavior of electrons in these atoms. It depends on its spin and orbital momentum... and its effect on the magnetic moment. In theory, if all the electrons in an object rotate in the same direction and all the jazz rotates, a magnetic monopole is formed. However, the structure of the object will be unstable. Check out the Pauli exclusion principle.

The reason why it is not unipolar magnetic is determined by the molecular characteristics inside the magnet;

We all know that when a wire is energized, a series of concentric magnetic fields distributed along the wire are generated. The direction of the magnetic field can be determined by Ampere's rule.

As for the principle of magnetic field formation of permanent magnets, it can be used

Amperometric molecular current

The hypothesis explains that since the energized wires generate a magnetic field, the moving electrons will excite the magnetic field in space.

The magnetic correspondence is composed of shock and physical magnetic, and the exchange constitutes a virtual magnetic field. The physical magnetic and the virtual magnetic field can be mutually induced. Since the shock is the front and back of the same body, the exchange is also the front and back of the same body (see the gossip structure), so the two polarities of a magnet can actually be seen as the front and back of a magnetic pole, although one The magnet is formed by a combination of many magnetic poles.

But since the structure of each pole is the same, their co-directional arrangement produces the same positive and negative magnetic polarity as a single pole; their forward and reverse combinations cancel each other out.

A magnet, no matter how small or small you cut it, they are always stubborn with two magnetic poles, and have never seen the "magnetic monopole" that exists in the north and south poles.

It is said that the famous British physicist Dirac proved that the Schrödinger equation in magnetic monopole and quantum mechanics can exist in unison. Theoretically, there may be magnetic monopoles in nature. I hope that scientists will overcome this issue at an early date.

Let me make an analogy. After the spring is stretched, it is cut off from the middle. Let's analyze the change in the force. Before the truncation, the intermediate force is balanced, and the forces at both ends are opposite. After the truncation, the intermediate truncation produces a force opposite to the ends, and the size is half of the two ends before the truncation.

It can be seen from this that in fact, this is a relative relativity of force, that is, the reference point of force changes. After the magnet is cut off, we have to transfer the reference point of force to the new center point, and we can understand

There are more factors, but hopefully this will give you some insight into the magnetic monopole.