Found a new way to measure gravity using pairs of atoms

The researchers used the differences in the pairs of atoms suspended in the air to accurately measure gravity.

Currently standard gravityexperiments involve dropping objects in shielded tubes to allow measurements to be taken using special instruments. Although this method is effective, it provides only short-term observation of gravitational interactions, and may be affected by external magnetic fields.

Recently, a team of physicists from the University of California, Berkeleyfound a new way of measuring.Its essence lies in the fact that a cloud of cesium atoms is released into the air space of a small chamber, and then, using laser pulses, it is cooled and separated into several pairs in a state of quantum superposition. Next, lasers are used to fix the particles in space, so that one of the atoms of each pair was much higher than its satellite.

After that, scientists measure the wave duality of each atom. Knowing the difference in their distances from the Earth, it is possible to accurately determine the value of gravity.

This method allows for longstudies due to the immobility of atoms. In addition, it can be used to determine the attractive force between various objects, and the device itself is easier to protect from interference from random magnetic fields.

In the future, this method will createcompact instruments for measuring gravity. He also offers scientists new tools to determine the nature of dark matter and test other physical ideas.

Let us recall that scientists have also recently discovered a new stable form of plutonium, which can serve as a transition phase for storing radioactive waste.

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