1.

Record Nr.

UNISOBSOBE00017836

Titolo

The Brontës / Edited by Miriam Allott

Pubbl/distr/stampa

London and Boston : Routledge & Kegan Paul, 1974

ISBN

0710077017

Descrizione fisica

XX,475 p. ; 22 cm

Collana

<The >critical heritage series

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

2.

Record Nr.

UNINA9910647769103321

Autore

Matsuura Takaya

Titolo

Digital quantum information processing with continuous-variable systems / / Takaya Matsuura

Pubbl/distr/stampa

Singapore : , : Springer, , [2023]

©2023

ISBN

9789811982880

9789811982873

Edizione

[1st ed. 2023.]

Descrizione fisica

1 online resource (172 pages)

Collana

Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5061

Disciplina

016.61483

Soggetti

Quantum theory

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

Introduction -- Preliminaries -- Continuous-Variable Quantum System -- Quantum Key Distribution with Continuous-Variable Systems -- Quantum computation with Continuous-Variable Systems.

Sommario/riassunto

The book provides theoretical methods of connecting discrete-variable quantum information processing to continuous-variable one. It covers



the two major fields of quantum information processing, quantum communication and quantum computation, leading to achievement of a long-sought full security of continuous-variable quantum key distribution (QKD) and proposal of a resource-efficient method for optical quantum computing. Firstly, the book provides a security of continuous-variable QKD against arbitrary attacks under a realistic condition such as finite communication rounds and the use of digitized information processing. The book also provides the unified view for conventionally used approximate Gottesman-Kitaev-Preskill (GKP) codes, which encodes qudits on a continuous-variable system, enabling direct comparison between researches based on different approximations. The book finally proposes a resource-efficient method to realize the universal optical quantum computation using the GKP code via the direct preparation of the GKP magic state instead of GKP Pauli states. Feasibility of the proposed protocol is discussed based on the existing experimental proposals for the GKP state preparation.