Experimental studies of entropy and concentration fluctuation by photon correlation technique |
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Authors: | H Bohidar S Chopra |
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Institution: | Physics Department, Indian Institute of Technology, New Delhi - 110016, India |
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Abstract: | Recently we reported the design and fabrication of an inexpensive, simple and versatile digital photon correlator. We have used it to investigate the entropy and concentration fluctuations in number of liquid systems i.e. pure, mixtures and solutions. Further we measure the parameters like thermal diffusivity and diffusion coefficient at different concentrations in a time much shorter than the conventional techniques. |
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