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DTSTART:20210328T030000
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BEGIN:VEVENT
DTSTAMP:20260406T075437Z
UID:1615888800@ist.ac.at
DTSTART:20210316T110000
DTEND:20210316T120000
DESCRIPTION:Speaker: Dr. Philip E. Schmidt\nhosted by Johannes Fink\nAbstra
 ct: Experimental investigation of quantum mechanics with heavy objects (e.
 g. above Planck mass\, ~20µg) has not been achieved yet\, as it requires 
 the challenging combination of decoupling the quantum object from environm
 ental influences\, while at the same time remaining high control of it.In 
 a first step\, optically levitated objects have been implemented due to th
 eir intrinsic decoupling and the outstanding ability to design their quant
 um wavefunction. Among many experimental breakthroughs quantum ground stat
 e cooling has recently been achieved. However\, the optical trapping requi
 res high drive powers reheating the mechanical element. Moreover\, the uti
 lized masses are around some femtogram\, and so orders of magnitude smalle
 r than the desired microgram.To overcome restrictions in optical systems w
 e implemented the approach of superconducting microspheres in a magnetic f
 ield trap\, allowing for a mass independent levitation. To reach sufficien
 tly high coupling rates we employ inductively coupled quantum circuits act
 ing as optical cavity.In my talk I will introduce the envisioned platform\
 , present recent progress and discuss the requirements of the superconduct
 ing microwave circuits\, currently in fabrication at IST.
LOCATION:ONLINE via Zoom\, ISTA
ORGANIZER:sandra.widdmann@ist.ac.at
SUMMARY:Dr. Philip E. Schmidt: Cavity optomechanics implemented using levit
 ated superconductors and Josephson microwave circuits
URL:https://talks-calendar.ista.ac.at/events/3117
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