Conten:

1. Modelling electronic excitations in pigment-protein complexes

1.1 The Hamiltonian of a pigment-protein complex. Electronic transitions and their interaction with the biomolecular environment

1.2 Photosynthetic excitons: quantum coherence and delocalised excited states

1.3 Sources of exciton localisation

2. Dynamics of electronic excitations: from incoherent to coherent energy transfer

2.1 Competing energy and time scales

2.2 The limiting regimes: Forster theory and Redfield theory

2.3 Non-Markovian dynamics: the structured vibrational environment Coherent interaction between excitations and vibrational modes

2.4 Exciton vs vibronic model

3. Two-dimensional electronic spectroscopy: Detecting quantum coherence experimentally

3.1 The response function

3.2 Diagrammatic approach: Feynmann diagrams

3.3 2D spectra of an electronic dimer

3.4 2D spectra of a vibronic (vibrational-electronic) dimer: electronic vs vibrational coherence