A new type of manifestation of magnetic monopoles has been discovered. Free Technical Library News

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A new type of manifestation of magnetic monopoles has been discovered

20.12.2017

Since the 19th century, scientists have begun to notice the striking similarity between the laws of physics that describe electrical phenomena and the laws that describe magnetic phenomena. However, there is one single thing, the absence of which prevents the laws from being completely symmetrical - magnetic monopoles.

These magnetic monopoles in the form of elementary particles continue to be elusive for scientists today, but scientists have already created a number of artificial objects that demonstrate some of the properties of magnetic monopoles.

A team of researchers from the Austrian Institute of Science and Technology has succeeded in demonstrating that droplets of a superfluid liquid, liquid helium, act as magnetic monopoles with respect to molecules immersed in them. Drops of superfluid liquid have been studied by scientists for a very long time, but until recently no one has been able to notice their "magnetic feature".

Working with electric charges, it is quite easy to separate their positive and negative poles. A negatively charged electron is just the negative pole, and a positively charged proton is the positive one. Each of these poles is a separate physical particle that can be separated from each other. With magnets, everything looks much more complicated, if you take one magnet and divide it into two parts, then we get two magnets with two poles. In other words, it is fundamentally impossible to physically divide a magnet into two, in which only one of the poles is present.

Puzzled by the mystery of the properties of magnets, scientists have created artificial systems and ordered crystalline structures that act like magnetic monopoles. At one time, a group of theoretical physicists and mathematicians showed that the same phenomenon can occur in molecular systems, including systems of natural origin.

Such systems include drops of superfluid liquid, the dimensions of which are calculated in nanometers. To describe the unusual properties of such systems, the concept of a quasiparticle, called angulon, was even introduced, the existence of which makes it possible to explain some of the experimental data collected by scientists over the past 20 years.

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