1. Anharmonic Phonon Behavior using Hamiltonian constructed via Irreducible Derivatives Xiao, Enda 2023 Theses Condensed matterPhononsHamiltonian systemsX-rays--ScatteringHartree-Fock approximationQuasiparticles (Physics)Perturbation (Mathematics)Green's functions
2. Delving Into Dissipative Quantum Dynamics: From Approximate to Numerically Exact Approaches Chen, Hsing-Ta 2016 Theses Quantum chemistryPhononsElectron-phonon interactionsQuantum theoryCondensed matter