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BEGIN:VEVENT
DTSTAMP:20260622T133826Z
DTSTART;VALUE=DATE-TIME:20200227T130000
DTEND;VALUE=DATE-TIME:20200227T140000
SUMMARY:Theory Seminar: Sofia Qvarfort (UCL)\, Gravity sensing and entang
 lement detection with optomechanical systems
TZID:Europe/London
UID:20200227-8a17841a6fb34939016fb5c206090755@warwick.ac.uk
CREATED:20200212T102840Z
DESCRIPTION:In this talk\, I will give an overview of two recent developm
 ents on sensing with nonlinear optomechanical systems and detecting enta
 nglement in Hydrogenic systems. Optomechanical systems operating in the 
 quantum regime one of the most promising emerging quantum sensing techno
 logies. We are interested in computing the fundamental sensitivity that 
 such a system can achieve\, especially for challenging tasks such as gra
 vity sensing. It is generally easier to detect a time-dependent signal e
 xperimentally\, but it is significantly more difficult to model. In the 
 first part of the talk\, I will show how we solve the dynamics of a time
 -dependent optomechanical system and compute the quantum Fisher informat
 ion for time-varying displacements of the mechanical element. I will als
 o discuss some settings where these results apply. In the second part of
  my talk\, I will discuss a more esoteric question\, namely the detectio
 n of entanglement for a Hydrogenic system. While the Hydrogenic solution
 s to the Schrödinger equation have been known for almost a century\, the
  question of whether the two subsystems are entanglement is not often ad
 dressed. I will show how entanglement can be computed for free and local
 ised Hydrogenic systems.
LOCATION:PS1.28
CATEGORIES:Theory Seminar
LAST-MODIFIED:20200212T102840Z
ORGANIZER;CN=Gareth Alexander:
END:VEVENT
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