The fluorescence characteristics of a dipole molecule in the vicinity of a spherical multilayered metallic nanoshell (a plasmonic nanomatryoska) of ultra-small dimensions is studied via electrodynamic modeling, where we have computed the fluorescence decay rates, the shifts in emission frequency, and the overall fluorescence yields for molecular dipoles of both tangential and radial orientation...

For Ω ε = (0, ε) × (0, 1) a thin rectangle, we consider minimization of the two-dimensional nonlocal isoperimetric problem given by inf u

In various problems in theoretical physics one has to evaluate a path integral with a constraint which is of a topological nature. This arises, for example, in the theory of polymers or in the analysis of the Aharonov-Bohm effect (see ref. [ 1 ] and the literature quoted therein). In order to elucidate some of these problems Inomata and Singh [2] considered path integrals over trajectories in a...

Railing Chang1 and P. T. Leung2 1Institute of Optoelectronic Sciences, National Taiwan Ocean University, Keelung, Taiwan, Republic of China and Center of Nanostorage Research, National Taiwan University, Taipei 10617, Taiwan, Republic of China 2Department of Physics, Portland State University, P. O. Box 751, Portland, Oregon 97207-0751, USA Received 29 April 2005; revised manuscript received 23...

Minimal area problems and its connection with quadrature domains Dov Aharonov Technion Israel Institute of Technology, Israel e-mail: [email protected]

We show that standard nonlocal boxes, also known as PopescuRohrlich machines, are not sufficient to simulate any nonlocal correlations that do not allow signalling. This was known in the multipartite scenario, but we extend the result to the bipartite case. We then generalize this result further by showing that no finite set containing any finite-output-alphabet nonlocal boxes can be a universa...

We study the nonrelativistic limit of the quantum theory of a Chern-Simons field minimally coupled to a scalar field with quartic self-interaction. The renormalization of the relativistic model, in the Coulomb gauge, is discussed. We employ a procedure to calculate scattering amplitudes for low momenta that generates their |p|/m expansion and separates the contributions coming from high and low...

The non-minimal coupling of fermions to a background responsible for the breaking of Lorentz symmetry is introduced in Dirac’s equation; the non-relativistic regime is contemplated, and the Pauli’s equation is used to to show how an Aharonov-Casher phase appears as a natural consequence of the Lorentz-violating term. Different ways of realizing the Lorentz breaking are presented and, in each ca...