Probes of Condensed Matter

Martin Long

This course is on the theoretical interpretation of experimental data: what information may be deduced to constrain parameters in theoretical models, and the interpretation of data in terms of response functions.

  • Mössbauer Effect: Experimental details and surreptitious mathematical analysis of the Harmonic Oscillator using operators.

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  • Muon Spectroscopy: Experimental details. Precession in a magnetic Field. Fourier transform of the field distribution. Static disorder and gaussian. Dynamic disorder and exponential.

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  • Nuclear Magnetic Resonance: Experimental details. Classical description and perturbation theory. T1 and T2. The rotating field trick. Pulsed NMR and spin-echo. Magic-angle spinning. Case study.

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  • Raman Scattering: Experimental details. Polarisation. Symmetry and group theory and representation theory. Normal modes of oscillation as an example.

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  • Secondary-Ion-Mass-Spectroscopy, X-ray Absorption Spectroscopy, Photoelectron Spectroscopy and Electron-energy-loss-spectroscopy: Experimental details. Plasmons. `K-Edges' etc... Jellium. Scattering theory.

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  • LEED: Surface reconstruction.

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  • Neutron Scattering: Experimental details. Nuclear scattering. Debye-Waller. Magnetic scattering. Polarised neutrons. Diffuse scattering. Spin-waves.

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  • Photoemission: Experimental details. Angle resolved.

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  • STM: Tunneling and Airy's functions.

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