30 citations · 154 across the 13 of their papers we have counts for
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math-ph2016★ 3 cited
Extremal Density Matrices for Qudit States
Armando Figueroa, Julio A. López-Saldívar, Octavio Castaños +1
An algebraic procedure to find extremal density matrices for any Hamiltonian of a qudit system is established. The extremal density matrices for pure states provide a complete desc…
quant-ph2016★ 13 cited
Variational Study of - and -Atomic Configurations Interacting with an Electromagnetic Field of Modes
S. Cordero, O. Castaños, R. López-Peña +1
A study of the - and -atomic configurations under dipolar interaction with modes of electromagnetic radiation is presented. The corresponding quantum phase diagrams are o…