It is a new technology for detecting the interaction between two atom-ion pairs

It is a new technology for detecting the interaction between two atom-ion pairs

Found: Katz et al.

Quantum chemistry is a branch of chemistry that studies the applications of quantum mechanics to chemical systems. Studies in this field can help to better understand the nature of pairs or groups of atoms in a quantum state and the chemical effects that result from their relationship.

Many quantum chemistry studies have investigated in detail the relationship between atoms in a quantum state. Although some of these activities have gathered interesting information, they are often limited by the lack of available technologies to observe and control the effects of individual atomic combinations.

Researchers at the Weizmann Institute of Science are trying to think of new and more advanced tools to study the fundamental relationships between a single pair of powers. On a paper printed on Nature Physicsthey introduced a new technology related to quantum logic that could be used to study the relationships between an ultracold neutral atom and a cold ion.

“When atoms are transported over short distances, they can detect processes such as the release of energy or a chemical reaction, controlled by quantum mechanics,” said Katz, one of the the researchers who conducted the research are now at Duke. University, told Phys.org. “Pre -existing methods can be used to study these processes, but they need the knowledge and power of the smallest number of atoms, which is the maximum number of atoms. and the arrangement of the relationships that can be learned in action.reduce this requirement so that we can study the relationships between many parts using a single new atom, to create measuring as a probe. “

Essentially, the researchers cooled the laser and then captured two ions and a cloud of neutral atoms. The ions are trapped in a Paul trap, using electromagnetic fields. Traditional atoms, on the other hand, are trapped inside the optical lattice, which they can bring in and out of the Paul trap at will.

“We are studying the interaction of a chemistry ion with a neutral atom by measuring the imprint on the second logic ion in the trap acting as a probe,” he explains. Of Katz. “Well, when energy gets a chemical ion by interacting with an atom in an exothermic process (releasing energy), it releases a” logic ion, “in the we set up an experiment, resulting in the fluorescence of light. This fluorescence light is seen from Ion logic provides information about the process observed by ions and atoms. “

The innovation of Katz and her colleagues opens up new avenues for learning processes that are difficult and impossible to test. For example, the methodology they published in their paper could be used to measure new effects where the movement of atoms and ion patterns is detected by quantum interference. With the use of pre -built tools, these effects are very difficult to observe and monitor.

“An example of this effect was first seen in this work, which showed the difference in the cross -sections measured for the interaction of the different isotopes Sr + with 87Rb, but it was not limited to this model can be used to study quantum effects on other pairs, “says Katz. “We plan to use the same technology to learn more about the processes, such as spin changes and chemical effects.”

In addition to using their technology to teach other processes, Katz and his colleagues plan to gather more evidence of quantum interference effects. This will allow them to re -evaluate the ability of quantum mechanics to study fundamental relationships between atoms.


The use of two different materials to create new quantum hybrid atomic computers


More information:
A i ole Katz et al, Quantum logic detection of collisions between single atom – ion pairs, Nature Physics (2022). DOI: 10.1038 / s41567-022-01517-y

Lothar Ratschbacher et al, The control of chemical properties of the same; Nature Physics (2012). DOI: 10.1038 / nphys2373

Tomas Sikorsky et al, Spin -controlled atom – ion chemistry, Nature Communications (2018). DOI: 10.1038 / s41467-018-03373-y

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Directions: New technology for detecting interactions between single-atomic groups (2022, April 8) Retrieved 8 April 2022 from https://phys.org/news/2022-04- technique-collisions-atom-ion-pairs.html

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