papers
Publications (4)
quant-ph2010
Quantum quench influenced by an excited-state phase transition
P. Perez-Fernandez, P. Cejnar, J. M. Arias +3
quant-ph2007
Coulomb analogy for nonhermitian degeneracies near quantum phase transitions
P. Cejnar, S. Heinze, M. Macek
quant-ph1997
Decoherence and Efficiency of Quantum Error Correction
M. Biskup, P. Cejnar, R. Kotecky
quant-ph2007
Excited state quantum phase transitions in many-body systems
M. A. Caprio, P. Cejnar, F. Iachello