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An international team of scientists has made a new discovery that may help unravel its microscopic mysteries. High temperature superconductivity and solve the world’s energy problems.
An international team of scientists has made a new discovery that could help unlock the mysteries of high-temperature superconductivity and help solve the world’s energy problems.
In a ___ Paper published in The natureof Swinburne University of Technology Associate Professor A new experimental observation in collaboration with researchers from the University of Science and Technology of China (USTC) quantified the number of pseudogap pairs in a strongly attractive interacting cloud of fermionic lithium atoms.
This confirms that, instead of just two particles, fermions split into many particles before reaching a critical temperature and exhibiting remarkable quantum superfluidity.
High-temperature superconducting materials have the potential to significantly improve energy efficiency by providing faster computers, enabling new memory storage devices and enabling highly sensitive sensors.
“Quantum superfluidity and superconductivity are the most exciting phenomena in quantum physics,” says Associate Professor Hu, the only Australian researcher involved in the study.
“Despite enormous efforts over the past four decades, the origin of high-temperature superconductivity, particularly the appearance of the normal-state energy gap before superconducting, is still uncertain.”
“The main goal of our work was to simulate a simple textbook model using a system of ultracold atoms to test one of the two main interpretations of the pseudogap – the energy gap without superconducting,” Assoc. Professor Ho explains.
In 2010, an attempt was made to probe the pseudogap pair with ultracold atoms but failed. This new international experiment uses state-of-the-art methods to produce uniform Fermi clouds and remove unwanted interatomic collisions, with highly stable magnetic field control at extraordinary levels.
“This new technical advance leads to the observation of the pseudogap. Without the need to use a specific microscopic theory to fit the experimental data, we found a suppression of the spectral weight near the Fermi level in the normal state.
Associate Professor Ho is excited about his contribution to this landmark study.
“This discovery will undoubtedly have far-reaching implications for future studies of strongly interacting Fermi systems and may lead to potential applications in future quantum technologies.”
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