Thank you for the answers so far. This helped me come up with something not as loose but still points to its sub-fields, and that satisfies me. Point out if there are errors here; I appreciate any extra pointers.
Quantum physics is the field that studies the quanta in a physical system (where...
Is there a precise definition for the field? That is what I am after, since I am rather annoyed by the fact I currently do not have an unified view of the theory; having a one-liner helps me a lot in better understanding. So far there seems to be a split between an "old" quantum physics, which...