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Someone says The fractional quantum Hall effect is an incompressible quantum liquid, what's the meaning?
The fractional quantum Hall effect (FQHE) is characterized as an incompressible quantum liquid, indicating that its density remains constant under external pressure. This property is crucial for understanding the unique behaviors exhibited by FQHE systems. Allan Macdonald's notes provide a detailed explanation of this concept, which can be accessed at https://arxiv.org/abs/cond-mat/9410047. The discussion emphasizes the significance of incompressibility in the context of quantum liquids.
PREREQUISITESThis discussion is beneficial for physicists, condensed matter researchers, and students interested in quantum mechanics and the properties of quantum liquids.
It's helpful, thanks.atyy said:There is a description of incompressibility in Allan Macdonald's notes: https://arxiv.org/abs/cond-mat/9410047.