Abstract
Analytical expressions for the linear and third-order optical susceptibilities of a Bose condensate are derived. The transition to the condensate state is marked by the remarkable changes in the peak heights and line widths. For example, at the critical point, the linewidth as a function of temperature exhibits an inflection point in the linear response and a break-point in the third-order response.
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References
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Martínez-Linares, J., Bogár, P., Agarwal, G.S. (1997). Linear and Nonlinear Optical Response of a Dilute Bose Gas in the Condensation Regime. In: Ferrero, M., van der Merwe, A. (eds) New Developments on Fundamental Problems in Quantum Physics. Fundamental Theories of Physics, vol 81. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5886-2_31
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DOI: https://doi.org/10.1007/978-94-011-5886-2_31
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