656 citations · 3k across the 27 of their papers we have counts for
11 papers · 1 filter
Steering Bose-Einstein condensates despite time symmetry
Dario Poletti, Giuliano Benenti, Giulio Casati +2
A Bose-Einstein condensate in an oscillating spatially asymmetric potential is shown to exhibit a directed current for unbiased initial conditions despite time symmetry. This pheno…
Thermal memory: a storage of phononic information
Lei Wang, Baowen Li
Memory is an indispensable element for computer besides logic gates. In this Letter we report a model of thermal memory. We demonstrate via numerical simulation that thermal (phono…
Ballistic magneto-thermal transport in a Heisenberg spin chain at low temperatures
Lifa Zhang, Jian-Sheng Wang, Baowen Li
We study ballistic thermal transport in Heisenberg spin chain with nearest-neighbor ferromagnetic interactions at low temperatures. Explicit expressions for transmission coefficien…
Control of heat transport in quantum spin systems
Yonghong Yan, Chang-Qin Wu, Baowen Li
We study heat transport in quantum spin systems analytically and numerically. First, we demonstrate that heat current through a two-level quantum spin system can be modulated from…
Nonequilibrium Green's function method for phonon-phonon interaction and ballistic-diffusive thermal transport
Yong Xu, Jian-Sheng Wang, Wenhui Duan +2
Phonon-phonon interaction is systematically studied by nonequilibrium Green's function (NEGF) formulism in momentum space at finite temperatures. Within the quasi-particle approxim…
Stability of Fock states in a two-component Bose-Einstein condensate with a regular classical counterpart
Wen-ge Wang, Jie Liu, Baowen Li
We study the stability of a two-component Bose-Einstein condensate (BEC) in the parameter regime in which its classical counterpart has regular motion. The stability is characteriz…