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Björk, G. ; de Guise, H. ; Klimov, A.B. ; Hoz Iglesias, Pablo de la ; Sánchez Soto, Luis Lorenzo | American Physical Society | 2014-07-23We put forward an operational degree of polarization that can be extended in a natural way to fields whose wave fronts are not necessarily planar. This measure appears as a distance from a state to the set of all of its polarization-transformed [...]texto impreso
Valtierra, Iván F. ; Klimov, A.B. ; Leuchs, Gerd ; Sánchez Soto, Luis Lorenzo | Amer Physical Soc | 2020-03-02We present analytic expressions for the s-parametrized currents on the sphere for both unitary and dissipative evolutions. We examine the spatial distribution of the flow generated by these currents for quadratic Hamiltonians. The results are ap[...]texto impreso
Seyfarth, U. ; Klimov, A.B. ; Guise, H. de ; Leuchs, Gerd ; Sánchez Soto, Luis Lorenzo | Verein Forderung Open Access Publizierens Quantenwissenschaf | 2020-09-07In spite of their potential usefulness, Wigner functions for systems with SU(1,1) symmetry have not been explored thus far. We address this problem from a physically-motivated perspective, with an eye towards applications in modern metrology. St[...]
