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Questions related from Neil Salmon
With so many different website-design software packages to choose from, selecting one which is versatile, pleasant to use, guaranteed future-proof and cost-effective becomes difficult. Packages...
19 April 2024 8,586 0 View
A variety of package managers are available for Python, such management being essential if you're using the wide variety of Python packages available for a diversity of applications ranging from...
10 April 2024 2,625 5 View
Finding the best features (sometimes called metrics or parameters) to input into a neural network by trial and error can be a very lengthy process. Classic feature selection methods in machine...
04 June 2023 6,829 14 View
How is the depth and width of a neural network in machine learning chosen for optimal processing? Given that neural networks are tending to be deeper now (thanks to more efficient coding and...
26 January 2021 10,138 3 View
Are there some (simple) rules or conditions which dictate whether a physical process will lead to a state of quantum entanglement of two or more particles or systems? Given the relevance of the...
14 December 2020 7,750 3 View
Nonlinear materials had a fascinating effect on the technology development. For example, in the 1950/60’s the nonlinearity of ferrites (associated with spinwaves) was exploited for microwave and...
08 May 2019 5,508 2 View
For quantum entanglement experiments in the mm-wave band it is necessary to have a source of entangled photons. Generating these from a pump of radiation by spontaneous parametric down conversion...
07 March 2019 7,112 0 View
It is likely that the production rate of entangled photons in a non-linear material is proportional to the power of the pump and the non-linear material susceptibility (chi-2). Would anyone know...
19 June 2018 826 9 View
Is is possible to amplify a single photon? If possible, what is the resultant electric field and phase like compared to that of the incident photon? Consider two possible scenarios for this: 1)...
19 June 2018 432 21 View
Quantum entanglement experiments are normally carried out in the regime (hf>kT - where T is the temperature of the instrument) to minimise thermal noise, which means operating in the optical band,...
09 May 2018 5,573 4 View
In quantum entanglement is the entanglement between a pair of entangled photons broken if one of the pair induces stimulated emission? That is one of the pair generates a third photon. Normally...
27 January 2018 4,986 4 View
If one of the two photons of an entangled pair stimulates the generation of a third photon, by stimulated emission, does this destroy the entanglement of the original entangled pair? If it does...
26 January 2018 7,108 12 View
If its possible to create a Bose-Einstein condensate for which no possible Fermi interactions can prevent further collapse and the mass was large enough, could the system collapse into a black...
03 December 2017 2,877 12 View
