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Proposal for a Datta-Das transistor in the quantum Hall regime (2012)

Luca Chirolli, Davide Venturelli, Fabio Taddei, Rosario Fazio, and Vittorio Giovannetti

American Physical Society (APS)

In: Physical Review B

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Publication Date: 2012-04-20

Description: Author(s): Luca Chirolli, Davide Venturelli, Fabio Taddei, Rosario Fazio, and Vittorio Giovannetti We propose a resonant spin-field-effect transistor for chiral spin-resolved edge states in the integer quantum Hall effect with Rashba spin-orbit interaction. It employs a periodic array of voltage-controlled top gates that locally modulate the Rashba spin-orbit interaction. Strong resonant spin-fie... [Phys. Rev. B 85, 155317] Published Thu Apr 19, 2012

Keywords: Semiconductors II: surfaces, interfaces, microstructures, and related topics

Print ISSN: 1098-0121

Electronic ISSN: 1095-3795

Topics: Physics

Published by American Physical Society (APS)

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Unified view of correlations using the square-norm distance (2012)

Bruno Bellomo, Gian Luca Giorgi, Fernando Galve, Rosario Lo Franco, Giuseppe Compagno, and Roberta Zambrini

American Physical Society (APS)

In: Physical Review A

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Publication Date: 2012-03-06

Description: Author(s): Bruno Bellomo, Gian Luca Giorgi, Fernando Galve, Rosario Lo Franco, Giuseppe Compagno, and Roberta Zambrini The distance between a quantum state and its closest state not having a certain property has been used to quantify the amount of correlations corresponding to that property. This approach allows a unified view of the various kinds of correlations present in a quantum system. In particular, using rel... [Phys. Rev. A 85, 032104] Published Mon Mar 05, 2012

Keywords: Fundamental concepts

Print ISSN: 1050-2947

Electronic ISSN: 1094-1622

Topics: Physics

Published by American Physical Society (APS)

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Positivity in the presence of initial system-environment correlation (2012)

Kavan Modi, César A. Rodríguez-Rosario, and Alán Aspuru-Guzik

American Physical Society (APS)

In: Physical Review A

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Publication Date: 2012-12-13

Description: Author(s): Kavan Modi, César A. Rodríguez-Rosario, and Alán Aspuru-Guzik The constraints imposed by the initial system-environment correlation can lead to nonpositive dynamical maps. We find the conditions for positivity and complete positivity of such dynamical maps by using the concept of an assignment map. Any initial system-environment correlations make the assignmen... [Phys. Rev. A 86, 064102] Published Wed Dec 12, 2012

Keywords: Fundamental concepts

Print ISSN: 1050-2947

Electronic ISSN: 1094-1622

Topics: Physics

Published by American Physical Society (APS)

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Dynamical role of system-environment correlations in non-Markovian dynamics (2012)

Laura Mazzola, César A. Rodríguez-Rosario, Kavan Modi, and Mauro Paternostro

American Physical Society (APS)

In: Physical Review A

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Publication Date: 2012-07-31

Description: Author(s): Laura Mazzola, César A. Rodríguez-Rosario, Kavan Modi, and Mauro Paternostro We analyze the role played by system-environment correlations in the emergence of non-Markovian dynamics. By working within the framework developed in Breuer et al. [ Phys. Rev. Lett. 103 210401 (2009) ], we unveil a fundamental connection between non-Markovian behavior and dynamics of system-enviro... [Phys. Rev. A 86, 010102] Published Mon Jul 30, 2012

Keywords: Fundamental concepts

Print ISSN: 1050-2947

Electronic ISSN: 1094-1622

Topics: Physics

Published by American Physical Society (APS)

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