Importance of local force fields on lattice thermal conductivity reduction in PbTe1−xSex alloysTakuru Murakami, Takuma Shiga, Takuma Hori, Keivan Esfarjani and Junichiro ShiomiEPL, 102 4 (2013) 46002DOI: https://doi.org/10.1209/0295-5075/102/46002