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Unpredictability is perfectly possible in a deterministic universe
Chiara Marletto, Vlatko Vedral
We revisit the vexed question of how unpredictability can arise in a deterministic universe, focusing on unitary quantum theory. We discuss why quantum unpredictability is irreleva…
Interference in quantum field theory: detecting ghosts with phases
Chiara Marletto, Vlatko Vedral
We discuss the implications of the principle of locality for interference in quantum field theory. As an example, we consider the interaction of two charges via a mediating quantum…
The irreversibility cost of purifying Szilard's engine: Is it possible to perform erasure using the quantum homogenizer?
Maria Violaris, Chiara Marletto
Erasure is fundamental for information processing. It is also key in connecting information theory and thermodynamics, as it is a logically irreversible task. We provide a new angl…
Temporal witnesses of non-classicality and conservation laws
Giuseppe Di Pietra, Chiara Marletto
A general entanglement-based witness of non-classicality has recently been proposed, which can be applied to testing quantum effects in gravity. This witness is based on generating…
A local-realistic theory for fermions
Nicetu Tibau Vidal, Vlatko Vedral, Chiara Marletto
We propose a local model for general fermionic systems, which we express in the Heisenberg picture. To this end, we shall use a recently proposed formalism, the so-called "Raymond-…