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DTSTART:20230312T070000
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DTSTART;TZID=America/Toronto:20230405T110000
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URL:https://uwaterloo.ca/institute-for-quantum-computing/events/quantum-mat
 ters-seminar-series-strange-metals-not-so-strange
LOCATION:QNC - Quantum Nano Centre 200 University Avenue West QNC 1201 Wate
 rloo ON N2L 3G1 Canada
SUMMARY:Quantum Matters Seminar Series: Strange metals from not-so-strange\
 nquasiparticles
CLASS:PUBLIC
DESCRIPTION:BRAD RAMSHAW\n\nAbstract: Strange metals have linear-in-temper
 ature (T-linear) down\nto low temperature. Strange metals are found in man
 y families of\ncorrelated electron materials\, leading to the conjecture t
 hat a\nuniversal bound - the \"Planckian\" bound - limits the scattering r
 ate\nof electrons to a value set by fundamental constants. If the Planckia
 n\nbound exists\, it would provide a natural explanation for why a host of
 \nseemingly disparate systems\, including high-temperature\nsuperconductor
 s and twisted bilayer graphene\, all have T-linear\nresistivity. Perhaps m
 ore dramatically\, T-linear resistivity suggests\nthat electron-electron i
 nteractions are so strong that conventional\nconcepts such as quasiparticl
 es and Boltzmann transport do not apply\nin strange metals. I will present
  our work on the cuprate Nd-LSCO and\nthe 5-layer superconducting nickelat
 e that shows that conventional\nquasiparticle transport is alive and well\
 , even in the strange metal\nregime where the Planckian bound is saturated
 . This suggests that we\nmay not need to abandon the quasiparticle picture
  entirely\, but that\nwe need to better understand the source of scatterin
 g in these\nmaterials. 
DTSTAMP:20260407T104110Z
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