activity
20222026
most citedThreshold size for the emergence of a classical-like behaviour

9 citations · 16 across the 12 of their papers we have counts for

collaborators

12 papers

quant-ph2026

Induced Resource Theories and Harvesting via Quantum Probes

Ron Nyström, Simone Cepollaro, Nicola Pranzini +3

We consider scenarios in which a quantum system with a well-defined resource theory is used as a probe to interact with an environment, such as a quantum field, for which a resourc…

quant-ph2026

Quantum Darwinism and the quality of Petz recovery

Juha Torvinen, Esko Keski-Vakkuri, Nicola Pranzini

According to Quantum Darwinism, system-environment interactions both einselect particular system properties and encode them redundantly in many independent subsets of the environme…

quant-ph2026

Quantum model for black holes and clocks

Alessandro Coppo, Nicola Pranzini, Paola Verrucchi

We consider a stationary quantum system consisting of two non-interacting yet entangled subsystems, and . We identify a quantum theory characterizing such that, in the q…

hep-th2025

Detector-based measurement-induced state updates in AdS/CFT

Vijay Balasubramanian, Esko Keski-Vakkuri, Nicola Pranzini

Conventional understandings of quantum theory hold that measurements change the state of an observed system following the Lüders update rule. Textbooks describe the application of…

gr-qc2024

Gravitational quantum speed limit

Nicola Pranzini, Lorenzo Maccone

While playing an important role in the foundations of quantum theory, Quantum Speed Limits (QSL) have no role in discussions about the search for quantum gravity. We fill this gap…

quant-ph2024

Harvesting magic from the vacuum

Ron Nyström, Nicola Pranzini, Esko Keski-Vakkuri

Magic is the quantum resource allowing a quantum computer to perform operations that cannot be simulated efficiently by classical computation. As such, generating magic in a quantu…

quant-ph2024★ 3 cited

Quantum Time and the Time-Dilation induced Interaction Transfer mechanism

Dario Cafasso, Nicola Pranzini, Jorge Yago Malo +2

Given a bipartite quantum system in an energy eigenstate, the dynamical description for one component can be derived via entanglement using the other component as a clock. This is…

quant-ph2023

A formula for the overlap between Generalized Coherent States of any rank one simple Lie algebra

Nicola Pranzini

We provide a formula for computing the overlap between two Generalized Coherent States of any rank one simple Lie algebra. Then, we apply our formula to spin coherent states (i.e.…

quant-ph2023★ 1 cited

On the reliability and accessibility of quantum measurement apparatuses

Nicola Pranzini, Paola Verrucchi

We propose a classification of measurement apparatuses based on their reliability and accessibility. Our notion of reliability parameterises the possibility of getting unexpected w…

quant-ph2023★ 2 cited

Detector-based measurements for QFT: two issues and an AQFT proposal

Nicola Pranzini, Esko Keski-Vakkuri

We present and investigate two issues within the measurement scheme for QFT presented by J. Polo-Gómez, L. J. Garay and E. Martín-Martínez in "A detector-based measurement theory f…

quant-ph2022★ 1 cited

Repeated measurements on non-replicable systems and their consequences for Unruh-DeWitt detectors

Nicola Pranzini, Guillermo García-Pérez, Esko Keski-Vakkuri +1

The Born rule describes the probability of obtaining an outcome when measuring an observable of a quantum system. As it can only be tested by measuring many copies of the system un…

quant-ph2022★ 9 cited

Threshold size for the emergence of a classical-like behaviour

Alessandro Coppo, Nicola Pranzini, Paola Verrucchi

In this work we design a procedure to estimate the minimum size beyond which a system is amenable to a classical-like description, i.e. a description based on representative points…