Annalen der Physik

Cover image for Vol. 524 Issue 2

February 2012

Volume 524, Issue 2

Pages A25–A44, 71–111

  1. Cover Picture

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
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      Cover Picture: Ann. Phys. 2/2012

      Version of Record online: 6 FEB 2012 | DOI: 10.1002/andp.201290000

      Thumbnail image of graphical abstract

      The center graph shows the tunable double-control quantum interference as the detuning frequencies vary. As the two-photon resonance occurs (i.e., δp- δc = 0 or δp- δc' = 0), the “double-control interference” parameter Δ drastically changes. Picture: J. Qi Shen, p. 85 in this issue. Background graph taken from C. Emary, C. Pöltl, T. Brandes, Phys. Rev. B 80, 235321 (2009) http://prb.aps.org/abstract/PRB/v80/i23/e235321, © 2009 by The American Physical Society).

  2. Issue Information

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
    1. You have free access to this content
      Issue Information: Ann. Phys. 2/2012

      Version of Record online: 6 FEB 2012 | DOI: 10.1002/andp.201252402

  3. Call for Paper

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
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      Call for Paper: Ann. Phys. 2/2012

      Version of Record online: 6 FEB 2012 | DOI: 10.1002/andp.201290001

  4. Advisory Board

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
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      The AdP Advisory Board

      Version of Record online: 6 FEB 2012 | DOI: 10.1002/andp.201200702

  5. Editorial

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
    1. You have free access to this content
  6. New Features

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
    1. You have free access to this content
      New Features: Ann. Phys. 2/2012

      Version of Record online: 6 FEB 2012 | DOI: 10.1002/andp.201290002

  7. Physics Forum

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
    1. You have free access to this content
    2. You have free access to this content
    3. You have free access to this content
      On topology and electromagnetism (pages A35–A37)

      A.F. Rañada

      Version of Record online: 6 FEB 2012 | DOI: 10.1002/andp.201100710

    4. You have free access to this content
    5. You have free access to this content
      Mach, the universe, and foundations of mechanics (page A44)

      B. Mashhoon and P.S. Wesson

      Version of Record online: 9 JAN 2012 | DOI: 10.1002/andp.201100305

  8. Editor's Choice

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
    1. You have free access to this content
      Exchange of helicity in a knotted electromagnetic field (pages 71–75)

      M. Arrayás and J.L. Trueba

      Version of Record online: 4 AUG 2011 | DOI: 10.1002/andp.201100119

      Thumbnail image of graphical abstract

      There are solutions of Maxwell equations in vacuum in which the magnetic and the electric lines have a nontrivial topology. This behavior has physical consequences since it is related to classical expressions indicating aspects of the photon content of the electromagnetic field. In this work an exact solution of Maxwell equations in vacuum is presented, having non trivial topology, in which there is an exchange of helicity between the electric and magnetic part of such field.

  9. Original Papers

    1. Top of page
    2. Cover Picture
    3. Issue Information
    4. Call for Paper
    5. Advisory Board
    6. Editorial
    7. New Features
    8. Physics Forum
    9. Editor's Choice
    10. Original Papers
    1. The most general ELKO matter in torsional f(R)-theories (pages 77–84)

      L. Fabbri and S. Vignolo

      Version of Record online: 9 AUG 2011 | DOI: 10.1002/andp.201100006

      Thumbnail image of graphical abstract

      A study of f(R)-gravity with torsion in the presence of the most general ELKO matter is presented, checking the consistency of the conservation laws with the matter field equations. In addition, some mathematical features of the field equations in connection with a cosmological application are discussed.

    2. A three-level dark state and double-control single-photon logic gates via quantum coherent control (pages 85–96)

      J.Q. Shen

      Version of Record online: 20 DEC 2011 | DOI: 10.1002/andp.201100183

      Thumbnail image of graphical abstract

      Multilevel quantum coherence and its quantum-vacuum counterpart are suggested in order to achieve new photonic and quantum optical applications. It is shown that a three-level dark state in a four-level tripod-configuration atomic system consists of three lower levels, where quantum interference between two control transitions arises. It is pointed out that the controllable optical response can be utilized to design some fascinating new photonic devices such as logic gates, photonic transistors and switches at quantum level.

    3. Poincaré gauge theory with coupled even and odd parity spin-0 modes: Cosmological normal modes (pages 97–106)

      F.-H. Ho and J.M. Nester

      Version of Record online: 4 AUG 2011 | DOI: 10.1002/andp.201100101

      Thumbnail image of graphical abstract

      The dynamics of a new Poincaré gauge theory of gravity model is investigated, which has cross coupling between the spin-0+ and spin-0-modes. To this end a homogeneous-isotropic cosmologies is considered which is relatively simple, and yet all the modes have non-trivial dynamics which reveals physically interesting and possibly observable results. More specifically, an isotropic Bianchi class A cosmologies has been investigated.

    4. Exact solution of the ion-laser interaction in all regimes (pages 107–111)

      A. Zúñiga-Segundo, R. Juárez-Amaro, J.M. Vargas-Martínez and H. Moya-Cessa

      Version of Record online: 4 AUG 2011 | DOI: 10.1002/andp.201100067

      Thumbnail image of graphical abstract

      It is shown that in the trapped ion-laser interaction all the regimes may be considered analytically. This applies not only for different laser intensities, but also away from resonance and from the Lamb-Dicke regime. A dispersive Hamiltonian for the high intensity regime is found, that, being diagonal, allows for an easy calculation of the evolution operator.

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