Classical and quantum phase transitions in the Lipkin-Meshkov-Glick model O Castaños, R López-Peña, JG Hirsch, E López-Moreno
Physical Review B 74 (10), 104118, 2006
112 2006 Superradiant phase in field-matter interactions O Castaños, E Nahmad-Achar, R López-Peña, JG Hirsch
Physical Review A 84 (1), 013819, 2011
75 2011 No singularities in observables at the phase transition in the Dicke model O Castaños, E Nahmad-Achar, R López-Peña, JG Hirsch
Physical Review A 83 (5), 051601, 2011
70 2011 Coherent state description of the ground state in the Tavis–Cummings model and its quantum phase transitions O Castanos, R López-Pena, E Nahmad-Achar, JG Hirsch, ...
Physica Scripta 79 (6), 065405, 2009
50 2009 Kernel of star-product for spin tomograms O Castaños, R López-Peña, MA Man'ko, VI Man'ko
Journal of Physics A: Mathematical and General 36 (16), 4677, 2003
41 2003 Mathematical methods in quantum optics: the Dicke model E Nahmad-Achar, O Castanos, R López-Pena, JG Hirsch
Physica Scripta 87 (3), 038114, 2013
37 2013 Entanglement and localization of a two-mode Bose–Einstein condensate C Pérez-Campos, JR González-Alonso, O Castaños, R López-Peña
Annals of Physics 325 (2), 325-344, 2010
37 2010 Universal critical behavior in the Dicke model O Castaños, E Nahmad-Achar, R López-Peña, JG Hirsch
Physical Review A 86 (2), 023814, 2012
34 2012 Analytic approximation of the Tavis–Cummings ground state via projected states O Castanos, E Nahmad-Achar, R López-Pena, JG Hirsch
Physica Scripta 80 (5), 055401, 2009
34 2009 Crystallized Schrödinger cat states O Castaños, R López-Peña, VI Man’ko
Journal of Russian Laser Research 16, 477-525, 1995
34 1995 Phase transitions and accidental degeneracy in nonlinear spin systems O Castanos, R López-Pena, JG Hirsch, E López-Moreno
Physical Review B 72 (1), 012406, 2005
33 2005 Noether's theorem and time-dependent quantum invariants O Castaños, R López-Peña, VI Man'Ko
Journal of Physics A: Mathematical and General 27 (5), 1751, 1994
32 1994 Geometry and entanglement of two-qubit states in the quantum probabilistic representation JA López-Saldívar, O Castaños, E Nahmad-Achar, R López-Peña, ...
Entropy 20 (9), 630, 2018
30 2018 Quantum phase transitions of three-level atoms interacting with a one-mode electromagnetic field S Cordero, R López–Peña, O Castaños, E Nahmad–Achar
Physical Review A 87 (2), 023805, 2013
29 2013 Wigner’s problem for a precessing magnetic dipole R López-Pena, VI Man’ko, G Marmo
Physical Review A 56 (2), 1126, 1997
29 1997 A semi-classical versus quantum description of the ground state of three-level atoms interacting with a one-mode electromagnetic field S Cordero, O Castaños, R López-Peña, E Nahmad-Achar
Journal of Physics A: Mathematical and Theoretical 46 (50), 505302, 2013
26 2013 Polychromatic phase diagram for S Cordero, E Nahmad-Achar, R López-Peña, O Castaños
Physical Review A 92 (5), 053843, 2015
25 2015 Noether's theorem and dynamical groups in quantum mechanics O Castanos, A Frank, R Lopez-Pena
Journal of Physics A: Mathematical and General 23 (22), 5141, 1990
24 1990 Virtues and limitations of the truncated Holstein–Primakoff description of quantum rotors JG Hirsch, O Castanos, R López-Pena, E Nahmad-Achar
Physica Scripta 87 (3), 038106, 2013
23 2013 Squeeze tomography of quantum states O Castaños, R López-Peña, MA Man'ko, VI Man'ko
Journal of Physics A: Mathematical and General 37 (35), 8529, 2004
21 2004 