Geometric phase in quantum open systems

The cornerstone of that investigations is the idea of Armin Uhlmann who gave a first mathematical formulation of the geometric phase for systems described by mixed states. Today this idea has either been modified or replaced by a new one in order to get the phase of a clear experimental meaning

 

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  2. J. Dajka and J. Łuczka, Geometric phase of open two-level systems, Acta Phys. Polon. B 43,  921 (2012)
  3. J. Dajka, J. Łuczka and P. Hanggi, Geometric phase as a determinant of a qubit--environment coupling, Quantum Inf Process 10, 85-96 (2011) 
  4. J. Dajka, J. Syska, and J.  Łuczka, Geometric phase of neutrino propagating through dissipative matter, Phys. Rev. D 83, 097302 (2011)