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quant-ph2026
Galilean boost invariance does not survive the trace: symmetry breaking in open quantum systems
Leonardo F. Calderón, Esteban Marulanda, Santiago Morales +1
Tracing out a Galilean-invariant Caldeira-Leggett environment breaks Galilean boost covariance of the reduced dynamics, while spatial translations and rotations survive intact. An…
quant-ph2023
Influence of Initial Entangled States on the Temperature-Dependent CHSH Inequality
Esteban Marulanda, Andrés Gómez
We demonstrate that the temperature affects the validity of the CHSH inequality in an open bipartite two-qubit system. Specifically, for initial entangled states within the decoher…
quant-ph2022
Correspondence Between the Energy Equipartition Theorem in Classical Mechanics and its Phase-Space Formulation in Quantum Mechanics
Esteban Marulanda, Alejandro Restrepo, Johans Restrepo
In classical physics there is a well-known theorem in which it is established that the energy per degree of freedom is the same. However, in quantum mechanics due to the non-commut…