Harmonic inversion helps to beat time-energy uncertainty relations

Details Harmonic inversion helps to beat time-energy uncertainty relations Harmonic inversion helps to beat time-energy uncertainty relations

2003-04-30

arxiv.org/abs/quant-ph/0304206v2

Physics

Quantum Physics

5 pages, 1 figure

Scientific paper

It is impossible to obtain accurate frequencies from time signals of a very short duration. This is a common believe among contemporary physicists. Here I present a practical way of extracting energies to a high precision from very short time signals produced by a quantum system. The product of time span of the signal and the precision of found energies is well bellow the limit imposed by the time-energy uncertainty relation.

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