flippiefanus's latest activity

Just for clarification, the excitations of fields that represent the quanta, which are (confusingly) often referred to as "particle" are...

There are lots, see for example: Lloyd, S. M., Babiker, M., Thirunavukkarasu, G., & Yuan, J. (2017). Electron vortices: Beams with...

For a while people amused themselves by producing electron beams (in electron microscopes) with vortices in their fields, similar to how...

Throwing another pebble in the pond... Would everyone's answers change if I said 'electron' instead of 'photon'? As I understand it, we...

No, I said it cannot explain all phenomena. There are scenarios where classical electromagnetism is perfectly adequate. There is also...

The historical significance of Planck's discovery is precisely in providing a deeper understanding of the physics, which led to the...

Yes, fields indeed, but unless one introduces the notion of quantised fields (photons are not classical point particles), one would just...

The stabilisation of the two source makes this scenario much more complicated and thus cannot be compared with the single source...

Yes, interesting! So, what you are revealing here is the difference between temporal and spatial coherence. The monochromatic assumption...

This scenario is precisely the situation that led Max Planck to realise that radiation from such a thermal source is quantised. These...

Since the Fock basis spans a subspace of the Hilbert space that is dense in the Hilbert space, all states can be expanded in terms of...

All classical states are also quantum states. Therefore, even classical light sources produce photons. All scenarios can be analysed...

First-order and second-order coherence/correlations are distinguished by the number of detections that are required. For first-order...

What Glauber is referring to (as far as I can tell) is multi-photon effects such as the Hong-Ou-Mandel effect. In such cases Dirac's...

I have been looking at various sources, especially the (now closed) thread on PF classical optics "Coherence, Young's double slit...