
The beginning of the fake. Credit: Nature physics (2025) DOI: 10.1038/s41567-025-02927-4
In everyday life, all substances exist like gas, liquid or solid. In quantum mechanics, however, it is possible for two separate states to be present simultaneously. For example, an ultraclined quantum system can showcase both fluid and solid features simultaneously.
The artificial quantum system research group at Headburg University has now demonstrated this trend using a new experimental approach, which provides a small amount of energy in a small amount of energy. He showed that, in such a driven quantum system, the sound waves spread at two different paces, which point to coexy mutual liquid and solid states, which is a special mark of the superstar. Work has appeared in the journal Nature physics.
At the same time, this amazing and seemingly contradictory behavior of the two states of the material is not at room temperature. But at extreme temperatures, quantum mechanics take power, and substances can mainly display different features. When the atoms are cooled at such a low temperature, nature is prevalent like their wave. If brought close enough, many particles are integrated into a large wave, known as the Bose Einstein Conditions. This condition is a very large, a fluid that flows without any friction.
In rare cases, superflods can also display density models from time to time. Played by external forces, these modification causes excessive “crystalize” and solid features to effectively. Despite this crystalization, nuclear in the system continue to behave as a collective wave, and maintain their high characteristics. In quantum mechanics, this coexistence of fluid and solid states is known as the Superviorali.
Excessive density modifications, for example, can be shaken by the system. Like the waves on the water surface, when buckets are shaken, the interaction between the atoms is introduced in excessive energy through “shaking”. It becomes a dynamic, external -driven quantum system and is no longer in balance.
Previous studies have proven that the crystal line order can arise in such systems. However, as the head of the artificial quantum system group, Prof. Dr. Marcus O’Barler, has explained, has not yet been investigated through experiments of these crystalization samples and super streams.
A descriptive feature of SuperSolds is the presence of two types of sound waves: one that increases extreme flid, and the other that produces the crystal order. Using modern experimental techniques, Headburg physicists have now successfully mobilized each of them separately. As part of this, they examined how sound waves move through the quantum system. They found that the resulting defects travel at different speeds, which shows that the system shows both liquid and solid properties, from which it is superseded.
“It is interesting to see that by merely adding a little energy to an excessive energy, we can give it the properties of solid,” says Professor O’Brotharler. Headburg University explains the researcher working with his group at the Krichov Institute for Physics for Physics, “Permanent Super Flide supports a solid dissipation, in which a sound wave passes around his balance positions.”
According to Nicholas Labster, this task represents the first observation of super -solmed sound waves in the balance system. “Generally, super -solids are discussed in terms of balanced physics, which means that everything is stable over time,” says Professor O’Brot’s research group physicist and member. “Now we are shaking excessively, thus inserting energy into it, and we have discovered that the concept of supravity is correct even beyond the balance conditions.”
More information:
Nicolas Labister Et El, Supernaded Sounds in a Clearma Quantum Gas, Nature physics (2025) DOI: 10.1038/s41567-025-02927-4
Provided by Headburg University
Reference: How a sophisticated solid becomes together (2025, 28 August) 28 August 2025 https://phys.org/news/2025-08-superfluid-simmultaysysylysyslysolid.html.
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