A. Trullo

University of Bari Aldo Moro

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Saverio Pascazio

University of Bari Aldo Moro

Paolo Facchi

University of Bari Aldo Moro

Marco Bardoscia

Bank of England

Vittorio Giovannetti

Scuola Normale Superiore

Giuseppe Florio

Polytechnic University of Bari

Rosario Fazio

The Abdus Salam International Centre for Theoretical Physics (ICTP)

Cooperative Institutions

Istituto Nazionale di Fisica Nucleare, Sezione di Bari

Istituto Nazionale di Fisica Nucleare, Sezione di Napoli

University of Bari Aldo Moro

Polytechnic University of Bari

Istituto Nazionale di Fisica Nucleare

The Abdus Salam International Centre for Theoretical Physics (ICTP)

Istituto Nazionale di Fisica Nucleare, Sezione di Bologna

National Institute of Optics

Scuola Normale Superiore

Istituto Nanoscienze

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Robustness of optimal working points for nonadiabatic holonomic quantum computation

Laser Physics (2006)

A. Trullo Paolo Facchi Rosario Fazio Giuseppe Florio Vittorio Giovannetti

Geometric phases are an interesting resource for quantum computation, also in view of their robustness against decoherence effects. We study here the effects of the environment on a class of one-qubit holonomic gates that have been recently shown to be characterized by "optimal" working times. We numerically analyze the behavior of these optimal points and focus on their robustness against noise.

Robustness

Holonomic

10.1134/s1054660x06100094

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Citations (6)

Spin Glass Model of Operational Risk

arXiv (Cornell University) (2010)

Marco Bardoscia Paolo Facchi Saverio Pascazio A. Trullo

We analyze operational risk in terms of a spin glass model. Several regimes are investigated, as a functions of the parameters that characterize the dynamics. The system is found to be robust against variations of these parameters. We unveil the presence of limit cycles and scrutinize the features of the asymptotic state.

Dynamics

10.48550/arxiv.1002.3560

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Spin Glass Model of Operational Risk

arXiv (Cornell University) (2010)

Marco Bardoscia Paolo Facchi Saverio Pascazio A. Trullo

Dynamics

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