3 papers
quant-ph2005
The time-energy certainty relation
Zbyszek P. Karkuszewski
All energy measurements of a quantum system are prone to inaccuracies. In particular, if such measurements are carried over a finite period of time the accuracy of the result is af…
cond-mat.other2005
A single measurement of a quantum many-body system of bosons
Zbyszek P. Karkuszewski
Here I propose an approximate way of simulating the outcomes of a single-experiment density measurement that is performed on a state of N bosons. The approximation is accurate if o…
cond-mat2002
Images of the Dark Soliton in a Depleted Condensate
Jacek Dziarmaga, Zbyszek P. Karkuszewski, Krzysztof Sacha
The dark soliton created in a Bose-Einstein condensate becomes grey in course of time evolution because its notch fills up with depleted atoms. This is the result of quantum mechan…