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Exact Solution for a Two-Level Atom in Radiation Fields and the Freeman Resonances
Dong-Sheng Guo, Yong-Shi Wu, Linn Van Woerkom
Using techniques of complex analysis in an algebraic approach, we solve the wave equation for a two-level atom interacting with a monochromatic light field exactly. A closed-form e…
Dynamics of Giant-Gravitons in the LLM geometry and the Fractional Quantum Hall Effect
Jian Dai, Xiao-Jun Wang, Yong-Shi Wu
The LLM's 1/2 BPS solutions of IIB supergravity are known to be closely related to the integer quantum Hall droplets with filling factor , and the giant gravitons in the LLM g…
Topological quantization of the spin Hall effect in two-dimensional paramagnetic semiconductors
Xiao-Liang Qi, Yong-Shi Wu, Shou-Cheng Zhang
We propose models of two dimensional paramagnetic semiconductors where the intrinsic spin Hall effect is exactly quantized in integer units of a topological charge. The model descr…
A Wave Function Describing Superfluidity in a Perfect Crystal
Hui Zhai, Yong-Shi Wu
We propose a many-body wave function that exhibits both diagonal and off-diagonal long-range order. Incorporating short-range correlations due to interatomic repulsion, this wave f…