Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2003-07-30
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
11 figures. Submitted to Phys. Rev. A
Scientific paper
The second order response functions and susceptibilities of finite temperature Bose-Einstein Condensates (BEC) in a one dimensional harmonic trap driven by an external field that couples to the particle density are calculated by solving the time-dependent Hartree-Fock-Bogoliubov (TDHFB) equations. These provide additional insight into BEC dynamics, beyond the linear response regime. The results also apply to electron liquids in the Fractional Quantum Hall Effect (FQHE) regime which can be mapped onto an effective boson system coupled to a Chern-Simons gauge field.
Berman Oleg
Chernyak Victor
Choi Sangkook
Mukamel Shaul
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