MPSD Seminar

13666 1527676589

Short Course on: Ultrafast Spectroscopy of Phonons and Spin Excitations in Solids - Lecture II

  • Datum: 17.05.2018
  • Uhrzeit: 14:00 - 15:00
  • Vortragender: Roberto Merlin
  • University of Michigan
  • Ort: CFEL (Bldg. 99)
  • Raum: Seminar Room I-II, EG.076-078
  • Gastgeber: Andrea Cavalleri
Lecture notes see 'more'.

Short Course on: Ultrafast Spectroscopy of Phonons and Spin Excitations in Solids


TENTATIVE SYLLABUS
1. Introduction: Basic Ideas, Experimental Aspects and Data Analysis
2. Mechanisms of Generation and Detection of Coherent Fields
2.1Excitation Mediated by Electronic States
2.1.1 Phenomenological Theory: Transparent Media
2.1.2 Microscopic Theory: Two Raman Tensors
2.1.3 Displacive Excitation of Coherent Phonons
2.2 Stimulated Ionic Raman Scattering and Anharmonicity
3 Case Studies
3.1Coherent Phonons, Longitudinal-Optical Modes and Plasmons
3.2Squeezed Phonons and Magnons
3.3Two-Dimensional Electron Gas: Charge- and Spin-Density Excitations
4 Mechanisms for Generation of Low-Frequency Modes
4.1Picosecond Ultrasonics (Acoustic Phonons)
4.2Acoustic Magnons and Electron Paramagnetic Resonance
4.3Folded Phonons and Cavity Modes in Semiconductor Superlattices


Lecture I - 14 May 2018, 11:00 am, CFEL, SR I, II
Lecture II - 17 May 2018, 02:00 pm, CFEL, SR I, II
Lecture III - 29 May 2018, 02:30 pm, CFEL, SR I, II
Lecture IV - 31 May 2018, 02:00 pm, CFEL, SR I, II
Lecture V - 04 June 2018, 11:00 am, CFEL, SR IV
Lecture VI - 06 June 2018, 11:00 am, CFEL, SR IV