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Interferometric geometry from symmetry-broken Uhlmann gauge group with applications to topological phase transitions
Hector Silva, Bruno Mera, Nikola Paunković
We provide a natural generalization of a Riemannian structure, i.e., a metric, recently introduced by Sjöqvist for the space of non degenerate density matrices, to the degenerate c…
New signatures of the dynamical Casimir effect in a superconducting circuit
Andreson L. C. Rego, Hector O. Silva, Danilo T. Alves +1
We found new signatures of the dynamical Casimir effect (DCE) in the context of superconducting circuits. We show that if the recent experiment made by Wilson {\it et al}, which br…
Time-dependent Robin boundary conditions in the dynamical Casimir effect
C. Farina, Hector O. Silva, Andreson L. C. Rego +1
Motivated by experiments in which moving boundaries are simulated by time-dependent properties of static systems, we discuss the model of a massless scalar field submitted to a tim…