How could we divide light traveling a Planck length in a vacuum?jerromyjon said:There is no indications of indivisible units of time. Time is the same on micro scales as it is in macro scales, it doesn't even have the same rate for different velocities or locations in a gravity well, meaning one second for one location could be two seconds for a different location but the physics remains the same locally. The quantum eraser experiments have been done with not nearly enough time for a delayed choice to affect what occurred at a fork "a long time ago" by photon propagation time scales.
In a train analogy, what happens is when the engine at the front of the train has a choice to go left or right and someone at the back of the train says "I don't know which way we are going". As soon as the engineer determines which track to take, the person at the back of the train "instantly" knows a choice has been made, long before any information could reach them.
Into as many "slices" of time that makes sense. If it were a very high energy gamma photon, it could have 1000's of waves in that distance.Gaz1982 said:How could we divide light traveling a Planck length in a vacuum?
There's no particular reason to think that the Planck time is indivisible... but even if it were, how does it compare with the time differences involved in the delayed choice experiment?Gaz1982 said:If we take an indivisible unit of time (a Planck time perhaps), could the possible retro-causality hinted at in the Quantum Eraser Experiment be a process where the retro-causality goes back along the same plank unit rather than back in time per se
It would be a good exercise to calculate the energy of such a photon, see how it compares against the energy of various other interesting phenomena.jerromyjon said:If it were a very high energy gamma photon, it could have 1000's of waves in that distance.
Indivisible units of time, also known as Planck time, are the smallest possible units of time that can exist according to the laws of quantum mechanics. They are approximately 5.4 x 10^-44 seconds.
In the quantum eraser experiment, indivisible units of time play a crucial role in measuring the behavior of photons. This experiment involves sending photons through a double-slit apparatus and then using a detector to determine which slit the photons pass through. By measuring the photons at the indivisible unit of time, the results of the experiment can be affected.
The quantum eraser experiment is significant because it demonstrates the principles of quantum mechanics and the concept of wave-particle duality. It also challenges our understanding of cause and effect, as the measurement of the photons at the indivisible unit of time can change their behavior, even though the measurement occurs after the photons have passed through the double-slit apparatus.
No, indivisible units of time cannot be observed or measured directly because they are too small and beyond the capabilities of current technology. However, their effects can be observed through experiments like the quantum eraser experiment.
Indivisible units of time are a theoretical concept and do not have a direct relation to the concept of time in our everyday lives. They exist on a scale that is far beyond human perception and are only relevant in the realm of quantum mechanics.