Annalen der Physik

Cover image for Vol. 528 Issue 1-2

Early View (Online Version of Record published before inclusion in an issue)

Editor: Stefan Hildebrandt

Impact Factor: 3.048

ISI Journal Citation Reports © Ranking: 2014: 12/78 (Physics Multidisciplinary)

Online ISSN: 1521-3889

Associated Title(s): physica status solidi (RRL) - Rapid Research Letters, Advanced Materials, Laser & Photonics Reviews

VIEW

  1. 1 - 16
  1. Original Papers

    1. Phonon-polariton entrapment in homogenous surface phonon cavities

      Didit Yudistira, Andreas Boes, Benjamin Dumas, Amgad R. Rezk, Morteza Yousefi, Bahram Djafari-Rouhani, Leslie Y. Yeo and Arnan Mitchell

      Article first published online: 5 FEB 2016 | DOI: 10.1002/andp.201500348

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      Surface phonon cavity formed by the placement of a defect of a single domain within periodic domain inversion of single crystal piezoelectric lithium niobate exhibiting surface phononic bandgap through the phonon-polariton coupling is introduced. It is shown that the proposed cavity can exhibit entrapment of phonon-polariton, indicated by the simultaneous localization of both surface phonons and the electric within the defect.

  2. Review Articles

    1. Selfassembly of α,ω-dithiols on surfaces and metal dithiol heterostructures

      Hicham Hamoudi and Vladimir A. Esaulov

      Article first published online: 3 FEB 2016 | DOI: 10.1002/andp.201500280

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      α,ω-Dithiols with reactive terminal thiol groups (HS-R-SH) can be used as a glue between metallic entities. This has been used to measure molecular conductance, create nano-spacers of interest in plasmonics, and build complex metal organic structures, including doped graphene type films. This report discusses key questions regarding protocols of making optimal dithiol metal structures and then describes their build by self assembly and lithography, their chemical composition and functional properties.

  3. Original Papers

    1. Spectroscopy of rotating linear dilaton black holes from boxed quasinormal modes

      I. Sakalli and G. Tokgoz

      Article first published online: 12 JAN 2016 | DOI: 10.1002/andp.201500305

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      Bekenstein conjectured that black hole area should be quantized in discrete levels (equidistant) to account for the quantized entropy. We show that when a non-asymptotically flat rotating black hole filled with dilaton and axion fields (strong candidates for the dark matter/energy) is caged by a scalar cloud, the resulting boxed quasinormal modes support Bekenstein's conjecture when Maggiore's adiabatic invariant formula is employed.

    2. Separate Einstein-Eddington spaces and the cosmological constant

      Hemza Azri

      Article first published online: 7 JAN 2016 | DOI: 10.1002/andp.201500270

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      In affine variational principle, a symmetric linear connection is taken as a fundamental field. The metric tensor is generated dynamically, and it appears as a canonically conjugate to the connection. From this picture, Einstein's gravity with a cosmological constant can be obtained by a covariant Legendre transformation of the affine Lagrangian. In the present paper, this formalism is applied to product spaces and the cosmological constant problem.

    3. Magnetoplasmons in gapped graphene in a periodically modulated magnetic field

      M. Tahir and U. Schwingenschlögl

      Article first published online: 7 JAN 2016 | DOI: 10.1002/andp.201500279

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      We study the inter and intra Landau band magnetoplasmons in gapped graphene by the self-consistent field approach. Long-lived magnetoplasmons are important in graphene due to the large carrier mobility and doping tunability. They facilitate a strong spatial confinement of light and the terahertz frequencies are promising for next generation optoelectronics.

  4. Expert Opinion

    1. You have free access to this content
      Unraveling multipartite entanglement for an important family of mixed states

      M. Huber and J. Siewert

      Article first published online: 7 JAN 2016 | DOI: 10.1002/andp.201500353

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      Schematic of the state space of an N-qubit system. The space is subdivided into N separability classes inline image, inline image (genuinely multipartite entangled), inline image (biseparable), inline image (fully separable). Buchholz et al. have exactly obtained the entanglement measure inline image for a specific family of symmetric states. The geometric entanglement inline image is the geometric distance of the state ρ from the set of k-separable states.

  5. Original Papers

    1. Cavity-photon contribution to the effective interaction of electrons in parallel quantum dots

      Vidar Gudmundsson, Anna Sitek, Nzar Rauf Abdullah, Chi-Shung Tang and Andrei Manolescu

      Article first published online: 21 DEC 2015 | DOI: 10.1002/andp.201500298

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      The authors explore theoretically through several measurable quantities how cavity photons can enhance or reduce the interaction of two electrons in parallel quantum dots embedded in a photon cavity.

  6. Editor's Choice

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      High-temperature study of superconducting hydrogen and deuterium sulfide

      A.P. Durajski, R. Szczȩśniak and L. Pietronero

      Article first published online: 21 DEC 2015 | DOI: 10.1002/andp.201500316

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      Hydrogen-rich compounds are extensively explored as candidates for a high-temperature superconductors. Currently, the measured critical temperature of 203 K on H3S is among the highest over all-known superconductors. This paper investigates the thermodynamic properties of superconducting hydrogen and deuterium sulfide at high pressure. In particular, the energy gap, the specific heat, the thermodynamic critical field and the London penetration depth were calculated within the framework of the Eliashberg formalism.

  7. Original Papers

    1. Energy-lose induced unidirectional light propagation in porous alumina photonic crystal

      Guo Liang Shang, Yao Zhang, Guang Tao Fei, Yan Su and Li De Zhang

      Article first published online: 9 DEC 2015 | DOI: 10.1002/andp.201500286

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      Energy-lose induced unidirectional light propagation were found in porous alumina based photonic crystal heterostructures. The reflected colors of the sample on the front and back sides illuminations are quite different, however, the transmitted colors have no obvious difference. This kind of unidirectional light propagation can be modulated over the whole visible light region by adjusting the combination of different photonic bandgap as well as the view angle.

  8. Editor's Choice

    1. You have free access to this content
      Evaluating the geometric measure of multiparticle entanglement

      Lars Erik Buchholz, Tobias Moroder and Otfried Gühne

      Article first published online: 9 DEC 2015 | DOI: 10.1002/andp.201500293

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      We present an analytical approach to evaluate the geometric measure of multiparticle entanglement for mixed quantum states. Our method allows the computation of this measure for a family of multiparticle states with a certain symmetry and delivers lower bounds on the measure for general states. It works for an arbitrary number of particles, for arbitrary classes of multiparticle entanglement, and can also be used to determine other entanglement measures.

  9. Original Papers

    1. Quantum confinement in an asymmetric double-well potential through energy analysis and information entropic measure

      Neetik Mukherjee and Amlan K. Roy

      Article first published online: 9 DEC 2015 | DOI: 10.1002/andp.201500301

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      Some simple rules are proposed to analyze the distribution of a particle in an asymmetric double-well potential given by,

      • display math

      Straightforward modification of the same rule also enables one to explain energy distribution. Energy states become quasi-degenerate only at certain characteristic values of the asymmetry parameter, γ. For remaining values of γ, the two wells may be treated as two different single-well potentials.

      Information-based uncertainty relations like Fisher information, Shannon entropy, Onicescu energy and Onicescu Shannon entropy, as well as conventional uncertainty product and phase space calculations also consolidate the above-mentioned rules in such potentials.

    2. You have full text access to this OnlineOpen article
      Minimal spaser threshold within electrodynamic framework: Shape, size and modes

      Nikita Arnold, Calin Hrelescu and Thomas A. Klar

      Article first published online: 7 DEC 2015 | DOI: 10.1002/andp.201500318

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      The threshold of a spaser is analyzed electrodynamically. Quasi-static threshold gain depends only on the dielectric functions of the metal and gain material. Nanoparticle shape, composition, or spasing mode define only the resonant wavelength, which can be tuned to the spectral minimum of the gain. Retardation increases the threshold gain via radiative losses, as quantified using examples of silver spheroids and spherical shells embedded into gain material.

    3. Extra dimensions and phase experiments

      Paul S. Wesson

      Article first published online: 19 NOV 2015 | DOI: 10.1002/andp.201500277

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      In modern Kaluza-Klein theories which successfully unify gravity, electromagnetism and a scalar field, null geodesics in five dimensions lead to simplified expressions for phase shifts in four-dimensional spacetime. It might be possible to test for an extra dimension by experiments such as those where neutron interferometry is used to measure the Aharonov-Bohm effect.

    4. Strong light-matter coupling between a molecular vibrational mode in a PMMA film and a low-loss mid-IR microcavity

      Merav Muallem, Alex Palatnik, Gilbert D. Nessim and Yaakov R. Tischler

      Article first published online: 17 NOV 2015 | DOI: 10.1002/andp.201500282

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      We present a microcavity phonon-polariton system that is derived from coupling cavity-confined mid-IR photons to the vibronic transition of an organic material. In particular, to achieve strong phonon-photon coupling, we coupled the carbonyl stretch vibrational transition of a polymethyl methacrylate film to the photonic resonance of a low optical-loss microcavity, which consisted of two Ge/ZnS dielectric Bragg reflectors. Transmission measurements show two distinct transmission peaks that are energetically shifted from the bare phonon and cavity resonances, indicating Rabi-splitting and the realization of polaritonic states.

    5. Statistical mechanics of holonomic systems as a Brownian motion on smooth manifolds

      Fabio Manca, Pierre-Michel Déjardin and Stefano Giordano

      Article first published online: 6 NOV 2015 | DOI: 10.1002/andp.201500221

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      The formulation of statistical mechanics based on Langevin and Fokker-Planck equations is typically developed for particles without mechanical constraints. However, the constrained statistical mechanics is indispensable to study several statistical properties of molecular assemblies of interest in chemistry, physics and biology. Therefore, in this paper we analyze arbitrary holonomic scleronomous systems by specializing the Lagrange and Hamilton equations of motion to those of the Langevin dynamics on a smooth manifold.

    6. Solvable potentials with exceptional orthogonal polynomials

      Ashley Arsenault, Sheldon Opps and Nasser Saad

      Article first published online: 26 OCT 2015 | DOI: 10.1002/andp.201500255

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      Two different but partner potentials are sharing exactly the same energy spectrum. The supersymmetric eigenfunctions derived from one another by simple creation and annihilation operators and they generate classes of exceptional orthogonal polynomials. A recent topic of a great mathematical interest.

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