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4 papers · 2 filters
Entanglement entropy and Möbius transformations for critical fermionic chains
F. Ares, J. G. Esteve, F. Falceto +1
Entanglement entropy may display a striking new symmetry under Möbius transformations. This symmetry was analysed in our previous work for the case of a non-critical (gapped) free…
Analytical comparison of the first- and second-order resonances for implementation of the dynamical Casimir effect in nonstationary circuit QED
E. L. S. Silva, A. V. Dodonov
We investigate analytically and numerically the nonstationary circuit QED setup in which independent qubits interact with a single mode of the Electromagnetic field confined in…
Effective Landau-Zener transitions in circuit dynamical Casimir effect with time-varying modulation frequency
A. V. Dodonov, B. Militello, A. Napoli +1
We consider the dissipative single-qubit circuit QED architecture in which the atomic transition frequency undergoes a weak external time-modulation. For sinusoidal modulation with…
Hénon-Heiles Interaction for Hydrogen Atom in Phase Space
J. S. da Cruz Filho, R. G. G. Amorim, S. C. Ulhoa +3
Using elements of symmetry, as gauge invariance, several aspects of a Schrödinger equation represented in phase-space are introduced and analyzed under physical basis. The Hydrogen…