3 papers
math.NT2025
Rigorous expansions of modular forms at CM points, I: Denominators
Chris Xu
We describe an algorithm to rigorously compute the power series expansion at a CM point of a weight cusp form of level coprime to . Our algorithm works by bounding the denom…
physics.app-ph2024
Ultralow thermal conductance across the [FePt/h-BN/FePt] interface
chengchao Xu, Enbo Zhang, Bo-Yuan Yang +4
Heat transfer in nanocomposite materials has attracted great interest for various applications. Multilayer structures provide an important platform to study interfacial thermal tra…
cond-mat.mtrl-sci2024
Comparison of h-BN and graphene layers as grain boundary materials for granular FePt- thin films
B. S. D. Ch. S. Varaprasad, Chengchao Xu, Brandon Reese +3
Granular -FePt thin films with small columnar grains are essential for heat-assisted magnetic recording media. While hexagonal boron nitride(h-BN) has proven effective…