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Einstein's Equivalence principle for superpositions of gravitational fields and quantum reference frames
Flaminia Giacomini, Časlav Brukner
The Einstein Equivalence Principle (EEP), stating that all laws of physics take their special-relativistic form in any local inertial (classical) reference frame, lies at the core…
Comment on "Revisiting dynamics of quantum causal structures --when can causal order evolve?''
Esteban Castro-Ruiz, Flaminia Giacomini, Časlav Brukner
In the last few years, there has been increasing interest in quantum processes with indefinite causal order. Process matrices are a convenient framework to study such processes. Re…
Quantum Temporal Superposition: the case of QFT
Laura J. Henderson, Alessio Belenchia, Esteban Castro-Ruiz +4
Quantum field theory is completely characterized by the field correlations between spacetime points. In turn, some of these can be accessed by locally coupling to the field simple…