2 papers
physics.app-ph2021
Revisiting the Reduction of Thermal Conductivity in Nano- to Micro-Grained Bismuth Telluride: The Importance of Grain-Boundary Thermal Resistance
Sien Wang, Xiaowei Lu, Ankit Negi +6
Nanograined bulk alloys based on bismuth telluride (Bi2Te3) are the dominant materials for room-temperature thermoelectric applications. In numerous studies, existing bulk phonon m…
cs.LG2019
Policy Optimization Through Approximate Importance Sampling
Marcin B. Tomczak, Dongho Kim, Peter Vrancx +1
Recent policy optimization approaches (Schulman et al., 2015a; 2017) have achieved substantial empirical successes by constructing new proxy optimization objectives. These proxy ob…