Previously, scientists believed that the particles of the Unruh effect can be detected.
Polish, canadian and American theoretical physicists are convinced that the massive particle Unruh effect is impossible to identify even by special detectors. However, a massless particle with apparatus can easily identify.
Experts conducted an experiment with the help of vacuum. The container is filled with particles, making it operators was born. To make emptying vacuum helped operators destruction. To determine the properties, scientists had to calculate the average value in the vacuum environment.
In the course of the study, the experts have become the way one problem: it was impossible to associate the Quantum theory with the General theory of relativity. In 1976, physicist from Canada William Unruh showed how the vacuum changes the movement speed of the particle. When observing, you can see that particles became larger, but in fact it is not. Unruh gave an example: if the capacity to plunge the weenie even at room temperature, it will fry. I heated the nipples will need a huge acceleration of the particles.
Scientists have tried to repeat a similar experience. A group of scientists, led by Andrzej Dragan found that catch particles in the vacuum not just.
Scientists realized that the massive particles have a small space around the horizon of Rindler. The researchers studied the functions of a massive scalar field with descriptions of the Klein-Gordon. Later, with the field split into lobes, the part responsible for the birth and destruction of particles. In the end, the experts were able to identify the condition of the two cases.
In the end, theoretical physicists learned that any appreciable number of particles (at least one) is a box only if its speed can be compared with the mass field (in the system of units ? = c = 1). This means that the distance between the frame and the horizon of Rindler shall not exceed the Compton wavelength among particles. In other words,
To catch massive particles with a detector , most likely, will not work. However, for massless fields, the situation looks a little different. It became known that the number of particles in a massless field is growing faster, and the distance to the horizon of Rindler is comparable to the size of the box. So to see these particles much easier.