Quantum phase transitions and spontaneous symmetry-breaking in Dicke Model
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2013
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American Institute of Physics (AIP)
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Abstract
A method to find the Excited-States Quantum Phase Transitions (ESQPT's) from parity-symmetry in the Dicke model is studied and presented. This method allows us to stablish a critical energy where ESQPT's take places, and divides the whole energy spectrum in two regions with different properties.
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© 2013 AIP Publishing LLC.
La Rabida 2012 International Scientific Meeting on Nuclear Physics (2012. La Rábida (España).