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Theoretical framework for quantum networks

- G. Chiribella, G. D’Ariano, P. Perinotti
- Physics
- 28 April 2009

We present a framework to treat quantum networks and all possible transformations thereof, including as special cases all possible manipulations of quantum states, measurements, and channels, such… Expand

Probabilistic theories with purification

- G. Chiribella, G. D’Ariano, P. Perinotti
- Physics
- 11 August 2009

We investigate general probabilistic theories in which every mixed state has a purification, unique up to reversible channels on the purifying system. We show that the purification principle is… Expand

Informational derivation of quantum theory

- G. Chiribella, G. D’Ariano, P. Perinotti
- Physics, Mathematics
- 30 November 2010

We derive quantum theory from purely informational principles. Five elementary axioms - causality, perfect distinguishability, ideal compression, local distinguishability, and pure conditioning -… Expand

Quantum computations without definite causal structure

- G. Chiribella, G. D’Ariano, P. Perinotti, B. Valiron
- Physics
- 1 December 2009

We show that quantum theory allows for transformations of black boxes that cannot be realized by inserting the input black boxes within a circuit in a pre-defined causal order. The simplest example… Expand

Classical randomness in quantum measurements

- G. D’Ariano, P. L. Presti, P. Perinotti
- Mathematics, Physics
- 18 August 2004

Similarly to quantum states, also quantum measurements can be ‘mixed’, corresponding to a random choice within an ensemble of measuring apparatuses. Such mixing is equivalent to a sort of hidden… Expand

Quantum circuit architecture.

- G. Chiribella, G. D’Ariano, P. Perinotti
- Computer Science, Physics
- Physical review letters
- 9 December 2007

TLDR

Transforming quantum operations: Quantum supermaps

- G. Chiribella, G. D’Ariano, P. Perinotti
- Physics
- 1 April 2008

We introduce the concept of quantum supermap, describing the most general transformation that maps an input quantum operation into an output quantum operation. Since quantum operations include as… Expand

Derivation of the Dirac Equation from Principles of Information Processing

- G. D’Ariano, P. Perinotti
- Physics
- 8 June 2013

Without using the relativity principle, we show how the Dirac equation in three space dimensions emerges from the large-scale dynamics of the minimal nontrivial quantum cellular automaton satisfying… Expand

Clean positive operator valued measures

- F. Buscemi, G. D’Ariano, M. Keyl, P. Perinotti, R. Werner
- Mathematics, Physics
- 13 May 2005

In quantum mechanics the statistics of the outcomes of a measuring apparatus is described by a positive operator valued measure (POVM). A quantum channel transforms POVMs into POVMs, generally… Expand

Teleportation transfers only speakable quantum information

- G. Chiribella, V. Giovannetti, L. Maccone, P. Perinotti
- Physics
- 5 August 2010

We show that a quantum clock cannot be teleported without prior synchronization between sender and receiver: every protocol using a finite amount of entanglement and an arbitrary number of rounds of… Expand

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