October 14, 2024

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New breakthrough could bring time crystals from the lab to the real world

New breakthrough could bring time crystals from the lab to the real world

We’ve just taken another step closer to time crystals that can have practical applications.

Produce a new experimental work at room temperature time crystal In a system that is not isolated from its surroundings.

The researchers say this paves the way for chip-scale time crystals that can be used in real-world conditions, far from the expensive laboratory equipment required to keep them running.

“When your experimental system exchanges energy with its surroundings, dissipation and noise work in tandem to destroy the chronological order,” Engineer Hussein Taheri says from the University of California, Riverside.

“In our optical platform, the system strikes a balance between gain and loss for creating and maintaining time crystals.”

Time crystals, sometimes referred to as space-time crystals, whose existence has already been confirmed only a few years ago, are just as fascinating as the name suggests. It is a phase of matter much like ordinary crystals, and it has a very important additional property.

In ordinary crystals, the constituent atoms are arranged in a 3D fixed lattice structure A good example is the atomic lattice of diamond or a quartz crystal. These repeat synapses can vary in configuration, but within a particular formation they do not move much; They only repeat spatially.

In time crystals, atoms behave slightly differently. It oscillates, rotating first in one direction, then in the other. These oscillations – referred to as “tick” – are locked to a regular and specified frequency. Where the regular crystal structure repeats in space, it repeats in crystals of time in space and time.

To study time crystals, scientists often use Bose-Einstein condensates of the magnon quasiparticle. They must be kept at very low temperatures, very close to absolute zero. This requires highly specialized and advanced laboratory equipment.

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In their new research, Taheri and his team created a time crystal without supercooling. Their time crystals were optical quantum systems created at room temperature. First, they took a tiny microsonor, a disk made of magnesium fluoride glass just one millimeter in diameter. Then they bombarded this optical morph with laser beams.

The self-preserving subharmonic protrusions (solitons) generated by the frequencies generated by the two laser beams indicate the formation of time crystals. The system creates a rotating lattice trap for the optical coils which then display the rotating.

Use the team to maintain the integrity of the system at room temperature Self-injection lock, a technology that ensures that the laser output maintains a specific optical frequency. This means the system can be transported from the lab and used in field applications, the researchers say.

In addition to possible future explorations of the properties of time crystals, such as phase transitions, and time crystal interactions, the system can be used to take new measurements of time itself. Time crystals may, one day, merge into Quantum computers.

“We hope this photonic system can be used in compact and lightweight RF sources with superior stability as well as in precise timekeeping.” Taheri says.

The team’s research was published in Nature Communications.