On the Status of Quantum Tunnelling Time

Explore a thought-provoking lecture on the controversial topic of quantum tunneling time. Delve into the complexities surrounding the duration it takes for a quantum particle to traverse a classically forbidden energy barrier. Examine the ongoing debate in physics literature and understand why the orthodox interpretation of quantum mechanics may not provide a definitive answer to this seemingly simple question. Investigate the tension between classical concepts and quantum interpretations, and how this impacts our understanding of tunneling time. Consider the implications of this debate on various aspects of quantum mechanics, including time's special status, the validity of classical concepts in different quantum interpretations, the potential for experimental tests to differentiate between interpretations, and the role of weak measurement in uncovering the histories of subensembles. Gain insights into the philosophical and practical challenges faced by physicists in reconciling quantum phenomena with classical intuitions.