I’m not sure what you mean. In my head I thought wave functions describe atomic things rather than macroscopic things. I thought that wave-particle duality could be measured for atoms/particles but not for macroscopic objects because their wavelengths are too small so their wave properties can’t be measured…but I am probably wrong
Interesting. Well, on the whole we don’t see quantum mechanics take hold on the macroscopic scale because of the wavelengths we use to probe. However, some things do exhibit quantum properties – for example superfluid movement, and we can explain lasers, or what we observe lasers do, with quantum mechanics – whether or not this is a “bulk” property of the object or not isn’t clear to me – I’d assume not considering the quantum case only applies in the quantum realm – in reality we are a many body system – but again, not too sure on that!