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SUMMARY:Many-Body Excitations in One-Dimensional Electron Systems (SP Work
 shop) - Mr Wooi Kiat Tan\, University of Cambridge\, Semiconductor Physics
  Group
DTSTART:20160601T131500Z
DTEND:20160601T141500Z
UID:TALK64323@talks.cam.ac.uk
CONTACT:Teri Bartlett
DESCRIPTION:It has been predicted by Tomonaga-Luttinger liquid model\, or 
 simply Luttinger liquid model\, that spin and charge waves of one-dimensio
 nal electron systems could travel at different speeds. Such phenomenon cou
 ld be observed from the tunnelling process of electrons from one-dimension
 al wire to two-dimensional electron system.\n\nThis talk will discuss the 
 experiments carried out for the measurements of momentum-resolved tunnelli
 ng of electrons from one dimensional electron systems to two-dimensional e
 lectron systems induced within GaAs heterostructures. Well-resolved spin-c
 harge separation at low energy and parabolic dispersion of the first-level
  mode at higher energies\, along with structure which resembles second-lev
 el excitations (which fades away rapidly at high momentum)\, were observed
 .\n\nReferences:\n\n[1] Tsyplyatyev O.\, Schofield A. J.\, Jin Y.\, Moreno
  M.\, Tan W. K.\, Anirban A. S.\, Ford C. J. B.\, Griffiths J. P.\, Farrer
  I.\, Jones G. A. C. and Ritchie D. A.\, 2016\, Phys. Rev. B\, 93\, 075147
 .\n[2] Tsyplyatyev O.\, Schofield A. J.\, Jin Y.\, Moreno M.\, Tan W. K.\,
  Ford C. J. B.\, Griffiths J. P.\, Farrer I.\, Jones G. A. C. and Ritchie 
 D. A.\, 2015\, Phys. Rev. Lett.\, 114\, 196401.\n
LOCATION:Mott Seminar Room (Mott Building Room 531)\, Cavendish Laboratory
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