Different heights/ different intensity gravitational fields, yes.
The idea for this question was like this: we know of Einsteins missing inch, the inch missing in Earths circumference due to stretching of space and so. This means that there is actually more space near a gravitating body than.. further away, in a weaker relative gravitational field. A very tiny bit, but still, it is. [ looking from a higher plain/ dimension, if you will]
If there is more space, then there should be relatively more quantum fluctuations, no?[looking from a higher plain]
ok, I saw my flaw in thought here - we cannot possibly detect any difference in space density, because we are a part of it and morf with it as it goes..
but still... so what are quantum fluctuations anyway?