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The illustration of the two atoms entangled in a long distance. | Credit: Victor de Schwanberg/Science Photo Library via Getty Images
Using optical tweezers made up of laser light, researchers have created a new way of manipulating individual atoms and creating a hyperament status.
This breakthrough can cause new forms Quantum calculation and progress of quantum modeling to answer basic questions about physics.
Caltech scientists have been using optical tweezers for several decades to control individual atoms, which has caused many progress, including Correction of quantum errors and a way to create The most accurate watches in the world;
However, one constant problem of the process was the natural movement of atoms that could scratch the noise (and errors) into the quantum system. However, in a fracture study published in the magazine ScienceThat weakness was changed.
“We Show That Atomic Motion, Which Is Typically Treatied As a Source of Unwanted Noise in Quantum Systems, Can be turned into a strangth,” Said Adam Shaw a a statement Caltech website researcher and first study author.
Instead of a destructive influence, Shaw and colleagues used the movement to create hyperarated atoms. Hyper-Entry is different from traditional Quantum entangledwhich describes two or more particles that are synchronized and share the property of excessive distances. On the contrary, hyperaram atoms can share several properties at the same time.
In the Caltech experiment, the team was able to associate both motion states and e -states (atomic internal energy level) at the same time.
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This achievement is an important step in both volume and efficiency Manuel is changingCaltech physics professor and author of The Co-Lead. “It allows us to encode more quantum information for each atom,” he said in a statement. “You will get more entangled with less resources.”
In order to seek this hyeraram state, the team first had to cool the alkaline Earth’s atom without charge, using a new method, which, according to the endres, said that “detection and subsequent correction of thermal motion excitation”. By implementing this method, the team was able to freeze the atom’s movement almost completely.
The next step was to force atoms to fluctuate like a pendulum on a small scale in two different directions at the same time, creating a state. Superposition – when the particle has opposite properties at the same time. Then these fluctuating atoms were entangled with partners who matched their movement, and were eventually hyperansi to also reflect their electronic states.
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According to Endres, the essence of the experiment was to find the control limit they could exercise through atoms. “We are basically creating a set of tools,” he said. “We knew how to control the electrons in the atoma, and now we learned to control the outer movement of the entire atom – it’s like a toy of an atom that you completely mastered.”
One of the most interesting aspects of this discovery is that even more states or properties can be entangled, which, according to endres, can cause many possible programs.
“Movement states could become the rear source of quantum technology, from calculation and ending with modeling and goals with accurate measurements.”