A team of researchers from the Paul Scherrer Institute (PSI) achieved time-reversal symmetry (TRS) breaking at 175 Kelvin (-144.67 °F or -98 °C) using a Kagome superconductor.
Quantum systems don’t work effectively under normal conditions and typically require extremely low-temperature settings. This is because, at higher temperatures, thermal energy can disrupt quantum states, causing decoherence or loss of the desired quantum effects.
However, scientists are developing superconductors to make quantum systems work at higher temperatures. This is crucial for adopting quantum technology on a large scale. A team of researchers from the Paul Scherrer Institute in Switzerland has made a significant breakthrough in this direction. Using“Our research identifies a kagome superconductor RbV3Sb5 as the system with the highest TRS breaking temperature, reaching ≃ 175 K,” the study authors
This temperature may sound freezing cold to you but it’s actually hot for quantum phenomena such as TRS breaking which usually occurs at -351.67 °F.. This concept is called time-reversal symmetry. However, in some materials, like certain quantum systems, this symmetry can be broken, causing a system to behave differently when time runs in a backward direction.
This TRS breaking is important because it can lead to unusual and useful quantum states that could unlock new technologies, offering more control over quantum systems and potentially improving the performance ofit exhibits superconductivity at -456 °F . However, it can facilitate quantum phenomena at much higher temperatures. For instance, the electrons of this material enter a charge order state , producing a magnetic effect that breaks TRS at -144.67 °F.
Quantum Physics Superconductivity Time-Reversal
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