Need help with scheck options

[Chitrak]

Hi,

I am new to this group. Just wanted to know if there is some documentation available for the various scheck options (i.e., what each of the scheck s check for).

In specific, I am looking for scheck 3. It says that phase cycling a Hermitian observable is probably an error. Could anyone explain why that is true?

Best regards,
Chitrak.

[Mikhail Veshtort]

Hi Chitrak,

The most common goal of phase cycling is to make observable coherences that result from certain coherence pathways while suppressing signal from other pathways. This can be straightforwardly achieved when your observable is an operator of a certain coherence order, like F1p or I1p. And such operators are obviously non-Hermitian. Therefore, if you use phase cycling with a Hermitian observable, you are either doing something quite unconventional (and hence should use the -scheck3 option, telling the program that you do know what you are doing here), or this is a mistake and should correct it.

Mikhail

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[Chitrak Gupta]

Hi,

Thank you so much for your help.

Regards,
Chitrak.

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Chitrak Gupta
Graduate Teaching Assistant
Department of Chemistry and Biochemistry
The Ohio State University
Columbus, OH
United States of America