Quantum tunnelling allows particles to bypass barriers impossible to cross in classical physics, happening faster for lower-energy particles. This study probes photon behaviour as they tunnel, measuring speed through a waveguide experimental setup. Researchers created a mirrored waveguide to direct photons towards a barrier. The experiment documented photons tunnelling into a barrier and travelling into another waveguide. Findings contribute to defining tunnelling time and challenge interpretations like Bohmian mechanics, highlighting the intricate nature of quantum processes.
Quantum tunnelling occurs faster when particles have less energy, challenging interpretations of tunnelling time and aspects of quantum physics like Bohmian mechanics.
The counter-intuitive result regarding photon tunnelling contributes to the ongoing debate about how to accurately define the tunnelling time and its speed.
The researchers utilized a waveguide setup to investigate the dynamics of photons tunnelling through barriers, enabling a precise measurement of tunnelling time.
Experimental results indicate that electrons have a non-zero probability of travelling through barriers, illustrating the unique quantum mechanical properties distinct from classical physics.
Aephraim Steinberg describes the experiment as a 'real experimental tour de force', illustrating the complexities of quantum mechanics and tunnelling phenomena.
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