EPFL scientists achieve a breakthrough in creating density waves in atomic gas, advancing quantum research and technology.
By devising a revolutionary approach to produce a crystalline structure known as a "density wave" in an atomic gas, researchers at the École Polytechnique Fédérale de Lausanne have made a significant advancement in the field of quantum physics.matter, which has long been regarded as one of the most challenging problems in physics, may be completely changed as a result of this ground-breaking research.
Although density waves are seen in a variety of materials, researching them can be difficult when they coexist with phenomena like superfluidity. The development of materials with special features, such as high-temperature superconductivity and enhanced quantum computing, is made possible by superfluidity, which is of significant interest.Professor Brantut and his associates developed a "unitary Fermi gas" to look deeper into the interaction between density waves and other phenomena.
In order to allow photons to accumulate inside the cavity, optical cavities are made up of two opposing mirrors that reflect incoming light back and forth thousands of times. The optical cavity was used by the researchers in their investigation to create long-distance interactions between the Fermi gas particles.it was, the process entailed one atom emitting a photon, which would bounce off the mirrors and be reabsorbed by another atom.
Professor Brantut remarks, "The combination of direct atom collisions within the Fermi gas, coupled with the exchange of photons over long distances, gives rise to a new type of matter characterized by extreme interactions." He added, "We hope what we will see there will improve our understanding of some of the most complex materials encountered in physics.
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