Annalen der Physik

Cover image for Vol. 524 Issue 5

May 2012

Volume 524, Issue 5

Pages A76–A85, 87–310

  1. Cover Picture

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    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Contents
    6. Advisory Board
    7. New Features
    8. Physics Forum
    9. Review Article
    10. Original Papers
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      Cover Picture: Ann. Phys. 5/2012

      Version of Record online: 7 MAY 2012 | DOI: 10.1002/andp.201290005

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      Recent results on radiation damping suppression in individual plasmonic resonators are presented. Here, bending of linear plasmonic nano-antennas increases significantly their Q factors above the electrostatic limit while preserving the nature of resonance along with many of its exceptional features. The picture shows electric field enhancement patterns for bent nanostrips under resonance excitation. Picture: G. Della Valle, S.I. Bozhevolnyi, pp. 253–272 (Fig. 10d), in this issue.

  2. Issue Information

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    2. Cover Picture
    3. Issue Information
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    5. Contents
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    7. New Features
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      Issue Information: Ann. Phys. 5/2012

      Version of Record online: 7 MAY 2012 | DOI: 10.1002/andp.201252405

  3. Call for Paper

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      Call for Paper: Ann. Phys. 5/2012

      Version of Record online: 7 MAY 2012 | DOI: 10.1002/andp.201290006

  4. Contents

    1. Top of page
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    3. Issue Information
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      Contents: Ann. Phys. 5/2012 (pages A76–A79)

      Version of Record online: 7 MAY 2012 | DOI: 10.1002/andp.201200722

  5. Advisory Board

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      The AdP Advisory Board (page A80)

      Version of Record online: 7 MAY 2012 | DOI: 10.1002/andp.201200723

  6. New Features

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      What' New (page A81)

      Version of Record online: 7 MAY 2012 | DOI: 10.1002/andp.201290007

  7. Physics Forum

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    1. Then & Now

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    2. Expert Opinion

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      Steady states and non-Hermitian dynamics (pages 89–90)

      P. Schmitteckert

      Version of Record online: 7 MAY 2012 | DOI: 10.1002/andp.201200725

  8. Review Article

    1. Top of page
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      Efficient suppression of radiation damping in individual plasmonic resonators: towards high-Q nano-volume sensing (pages 253–272)

      G. Della Valle and S.I. Bozhevolnyi

      Version of Record online: 27 FEB 2012 | DOI: 10.1002/andp.201100335

      Thumbnail image of graphical abstract

      Recent results on radiation damping suppression in individual plasmonic resonators are overviewed. It is demonstrated that bending of linear plasmonic nano-antennas increases significantly their Q factors above the electrostatic limit while preserving the nature of resonance along with its exceptional features, such as linear size-dependent tunability and robust field enhancement.

  9. Original Papers

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Contents
    6. Advisory Board
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    1. On dark energy and accelerated reference frames (pages 273–278)

      S.C. Ulhoa

      Version of Record online: 11 JAN 2012 | DOI: 10.1002/andp.201000168

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      An explanation of the accelerated rate of expansion of the universe is investigated. Usually the acceleration of the universe, which is described by Friedmann--Robertson--Walker metric, is due to dark energy. It is shown that this effect may be considered as a manifestation of torsion tensor for a flat Universe in the realm of teleparallel gravity.

    2. Scalar–tensor representation of f(R) gravity and Birkhoff's theorem (pages 279–285)

      S. Capozziello and D. Sáez-Gómez

      Version of Record online: 26 JAN 2012 | DOI: 10.1002/andp.201100244

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      Birkhoff's theorem is discussed in the frame of f(R) gravity by using its scalar--tensor representation. Modified gravity has become very popular in recent times as it is able to reproduce the unification of inflation and late-time acceleration with no need of a dark energy component or an inflation field. Here, another aspect of modified f(R) gravity is studied, specifically the range of validity of Birkhoff's theorem, compared with the Brans--Dicke theory.

    3. Particle injection into a chain: decoherence versus relaxation for Hermitian and non-Hermitian dynamics (pages 286–301)

      F. Gebhard, K. zu Münster, J. Ren, N. Sedlmayr, J. Sirker and B. Ziebarth

      Version of Record online: 2 FEB 2012 | DOI: 10.1002/andp.201100287

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      A model system for the injection of fermionic particles from filled source sites into an empty chain is investigated. The ensuing dynamics for Hermitian as well as for non-Hermitian time evolution, where the particles cannot return to the bath sites (quantum ratchet), is studied. A nonhomogeneous hybridization between bath and chain sites permits transient currents in the chain.

    4. Locally inertial reference frames in Lorentzian and Riemann-Cartan spacetimes (pages 302–310)

      J.F.T. Giglio and W.A. Rodrigues Jr.

      Version of Record online: 27 MAR 2012 | DOI: 10.1002/andp.201100302

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      The concept of locally inertial reference frames (LIRFs) in Lorentzian and Riemann-Cartan spacetime structures is scrutinized. A rigorous mathematical definition of a LIRF in both structures is given, something that needs preliminary a clear mathematical distinction between the concepts of observers, reference frames, and naturally adapted coordinate functions to a given reference frame.

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