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24 papers · 1 filter
Nonclassicality of multi-photon-added cat states
Jhordan Santiago, Petr Steindl
Multi-photon-added cat states are constructed by repeatedly applying the creation operator to a cat state. We study in detail their photon-number distribution, parameter, squee…
LIV-Decoherence on Gravitational Cat States
Iarley P. Lobo, Kelvin Sampaio, Gislaine Varão +2
Inspired by approaches based on the stochastic generalized uncertainty principle, we propose a Lindblad equation derived from the quantization of a stochastic modified dispersion r…
Photon Statistics for Fock and Coherent States Interfering in a Beamsplitter
Jhordan A. T. Santiago
We present a straightforward yet comprehensive theoretical study of different quantum states emerging from a bi-modal beamsplitter when various input states interfere. Specifically…
Squeezed coherent states for a free particle with time-varying mass
A. S. Pereira, A. S. Lemos, F. A. Brito
We obtain the squeezed coherent states (SCS) for a free particle with exponentially time-varying mass. We write these states in terms of the squeeze and displacement parameters on…
Generalized para-Bose states
A. S. Pereira, A. S. Lemos, F. A. Brito
In this paper, we construct integrals of motion in a para-Bose formulation for a general time-dependent quadratic Hamiltonian, which, in its turn, commutes with the reflection oper…
Amplitude-Phase Modulated CVQKD Protocol
Micael Andrade Dias, Francisco Marcos de Assis
Here we report the performance of a discrete modulated Continuous Variable Quantum Key Distribution protocol based on eight and sixteen state optimal Amplitude Phase Keying constel…