Quantum control extends beyond ultracold temperatures, per reports
Rubidium-strontium collisions show unexpected order at higher energy
Findings may impact quantum computing and fundamental physics research
Quantum Control Achieved in Atomic Collisions Beyond Ultracold Limits
Photo Credit: Science Advances (2025)
At temperatures near absolute zero, atomic collisions have been controlled through magnetic fields, enabling precise manipulation of quantum interactions. As temperatures rise, increased kinetic energy introduces complexity, making control significantly harder. However, according to reports, scientists have demonstrated that control over atomic collisions can extend beyond ultracold conditions. This research, conducted by a team from the University of Warsaw and the Weizmann Institute of Science, challenges previous assumptions that quantum control becomes ineffective at higher temperatures. Their findings suggest that quantum interactions remain structured even in seemingly classical conditions.
Control Achieved in Unexpected Conditions
According to the study published in Science Advances, collisions between rubidium atoms and strontium cations were examined to understand their behaviour at higher temperatures. Magnetic fields have traditionally been used to manipulate atomic interactions via Feshbach resonances in ultracold settings. However, in ion-atom collisions, the interaction between the ion and the trapping mechanism complicates the process, preventing effective cooling. Reports indicate that despite this challenge, an unexpected order was observed in the way these particles interact.
Insights from Theoretical and Experimental Work
Dr. Matthew D. Frye, a researcher involved in the study, stated to phys.org that their theoretical model was initially developed to validate experimental data. However, results indicated that control over ion-atom collisions was possible even at temperatures previously considered too high for quantum effects to dominate. According to reports, these findings suggest that similar structures might exist in other atomic combinations, opening possibilities for further research.
As per reports, these discoveries may influence both fundamental physics and technological advancements. Prof. Michal Tomza from the University of Warsaw told that achieving quantum control at higher temperatures could simplify future experimental approaches. He noted that quantum computing relies heavily on ultracold conditions, and these findings could pave the way for more efficient quantum devices by reducing cooling requirements.
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