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DTSTART:20210328T030000
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DTSTAMP:20260406T074320Z
UID:6163cf7e100a0083337647@ist.ac.at
DTSTART:20211018T150000
DTEND:20211018T160000
DESCRIPTION:Speaker: David B. Haviland\nhosted by Johannes Fink\nAbstract: 
 Superconductors mediate a flow of energy with zero loss.  The energy moves
  not only through the electromagnetic fields\, but also as kinetic energy 
 in the current of Cooper pairs which carries both charge and mass.    From
  a phenomenological point of view\, it is arbitrary what we attribute to c
 harge or mass as both have the same physical consequence. Both result in i
 nductance of the superconducting circuit.  Cooper pair scattering or tunne
 ling reduces the number of pairs which carry a fixed current\, resulting i
 n larger kinetic inductance.  When the total inductance becomes large enou
 gh\, the superconductor becomes an insulator because the self-charge of a 
 single Cooper pair gives rise to a Coulomb blockade that stops the flow of
  current.  This talk will describe experiments with 2D superconducting fil
 ms and series arrays of Josephson junctions demonstrating a superconductor
 -insulator transition.  Possible applications of kinetic inductance in the
  burgeoning field of cavity optomechanics will also be mentioned.
LOCATION:Big Seminar Room B (big) 63 seats (I23.EG.102)\, ISTA
ORGANIZER:swiddman@ist.ac.at
SUMMARY:David B. Haviland: Kinetic Inductance\, Josephson Inductance and th
 e Superconductor-Insulator Quantum Phase Transition
URL:https://talks-calendar.ista.ac.at/events/3330
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