RT Book, Section T1 Quantum phase transitions and spontaneous symmetry-breaking in Dicke Model A1 Puebla, Ricardo A1 Relaño Pérez, Armando A1 Retamosa Granado, Joaquín AB 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. PB American Institute of Physics (AIP) SN 978-0-7354-1165-4 YR 2013 FD 2013 LK https://hdl.handle.net/20.500.14352/45632 UL https://hdl.handle.net/20.500.14352/45632 LA eng NO © 2013 AIP Publishing LLC.La Rabida 2012 International Scientific Meeting on Nuclear Physics (2012. La Rábida (España). NO Comunidad de Madrid NO Ministerio de Ciencia e Innovación (MICINN) NO CDTI DS Docta Complutense RD 6 abr 2025