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UID:DSC-22684
DTSTART;TZID=Europe/Berlin:20260225T103000
SEQUENCE:1772001416
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20260225T113000
URL:https://dresden-science-calendar.org/calendar/en/detail/22684
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Manske: Theory of Higgs Spectroscopy in superconductors: latest res
 ults
CLASS:PUBLIC
DESCRIPTION:Speaker: Dr. Dirk Manske\nInstitute of Speaker: Max Planck Inst
 itute for Solid State Research\, Stuttgart\, Germany\nTopics:\n\n Location
 :\n  Name: IFW (D2E.27\, IFW Dresden)\n  Street: Helmholtzstraße 20\n  Ci
 ty: 01069 Dresden\n  Phone: \n  Fax: \nDescription: Higgs spectroscopy is 
 a new and emergent field [1-3] that allows to classify and determine the s
 uperconducting order parameter by means of ultra-fast optical spectroscopy
 . There are two ways to activate the Higgs mode in superconductors\, namel
 y a single-cycle ‘quench’ or an adiabatic\, multicycle ‘drive’ pul
 se\, both illustrated in Figure 1. In the talk I will review and report on
  the latest progress on Higgs spectroscopy\, in particular on the role of 
 the third-harmonic-generation (THG) [4-6] and the possible IR-activation o
 f the Higgs mode by impurities or external dc current [7\,8]. I also provi
 de new predictions for time-resolved ARPES experiments in which\, after a 
 quench\, a continuum of Higgs mode is observable and a phase information o
 f the superconducting gap function would be possible to extract [9]. As a 
 recent milestone\, I discuss recent results on Non-Equilibrium Anti-Stokes
  Raman Scattering (NEARS) [10] and on two-dimensional coherent spectroscop
 y [11] where the Higgs mode has been observed experimentally. Finally\, we
  have extended our approach to time-reversal superconductors [12] and find
  a variety of new possible Higgs modes.
DTSTAMP:20260422T221303Z
CREATED:20260221T063608Z
LAST-MODIFIED:20260225T063656Z
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