[Bugfix] Divide shift by spectral gap for single-gap PSR

pasqal-io / qadence

Digital-analog quantum programming interface

https://pasqal-io.github.io/qadence/latest/

Apache License 2.0

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[Bugfix] Divide shift by spectral gap for single-gap PSR #529

Closed chMoussa closed 3 months ago

chMoussa commented 3 months ago

To account for the factor 2 between the definition of TimeEvolutionBlock and usual quantum gates, one needs to rescale the shift with the spectral gap.