Fix the Detection state

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Mengjia He
Posts: 16
Joined: Thu Jan 20, 2022 8:28 am

Fix the Detection state

Post by Mengjia He »

Hi, Prof. Kuprov,

Regards fixing the coil in calculating FID, we usually extract the evolution of -1 quantum coherence, this lead to coil = L-, according to the forluma FID = trace(coil' * rho).

So I am confused why you fixed the coil as L+ in many examples.
Posts: 125
Joined: Mon Mar 29, 2021 4:26 pm

Re: Fix the Detection state

Post by kuprov »

It's entirely up to the user of course! :) Detect what you like - it's a simple matter of frequency sign convention: the conjugate observable turns the other way.
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