1. Department of Electrical and Computer EngineeringNational University of Singapore Singapore 117583 Republic of Singapore
2. Institute of High Performance Computing, Singapore Singapore 138632 Republic of Singapore
3. NNU‐SULI Thermal Energy Research Center (NSTER) & Center for Quantum Transport and Thermal Energy Science (CQTES)School of Physics and TechnologyNanjing Normal University Nanjing 210023 China
4. Department of Mechanical EngineeringUniversity of Colorado Boulder Colorado 80309 USA