English
Related papers

Related papers: Simulating superluminal propagation of Dirac parti…

200 papers

We consider an Unruh-DeWitt detector interacting with a massless Dirac field. Assuming that the detector is moving along an hyperbolic trajectory, we modeled the effects of fluctuations in the event horizon using a Dirac equation with…

High Energy Physics - Theory · Physics 2015-06-04 C. H. G. Bessa , J. G. Duenas , N. F. Svaiter

The explicit expression for the inclusive probability to record a photon created in transition radiation from a one Dirac particle wave packet traversing an ideally conducting plate is derived in the leading order of perturbation theory.…

Quantum Physics · Physics 2021-01-22 P. O. Kazinski , G. Yu. Lazarenko

We study the interaction of a light beams carrying angular momentum with a single, trapped and well localized ion. We provide a detailed calculation of selection rules and excitation probabilities for quadrupole transitions. The results…

Atomic Physics · Physics 2012-04-24 Christian Tomás Schmiegelow , Ferdinand Schmidt-Kaler

We use large-scale DFT calculations to investigate with unprecedented detail the so-called spin-orbit (SO) proximity effect in graphene adsorbed on the Pt(111) and Ni(111)/Au semi-infinite surfaces, previously studied via spin and angle…

Materials Science · Physics 2018-09-12 Jagoda Slawinska , Jorge I. Cerda

We consider the classical theory of the Dirac massive particle in the Riemann-Cartan spacetime. We demonstrate that the translational and the Lorentz gravitational moments, obtained by means of the Gordon type decompositions of the…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Yuri N. Obukhov

Spatial and/or temporal propagation of light waves in periodic optical structures offers a rather unique possibility to realize in a purely classical setting the optical analogues of a wide variety of quantum phenomena rooted in…

Optics · Physics 2015-06-03 Stefano Longhi

In this paper we present results of using parallel supercomputers to simulate beam dynamics in next-generation high intensity ion linacs. Our approach uses a three-dimensional space charge calculation with six types of boundary conditions.…

Accelerator Physics · Physics 2008-11-26 Robert D. Ryne , Ji Qiang

The high computational expense of simulating light through ray-tracing in large, sparsely instrumented particle detectors such as IceCube and Antares is a critical outstanding problem in particle physics. When the detector is sparsely…

High Energy Physics - Experiment · Physics 2018-11-13 Gabriel H. Collin

The question of whether it is possible or not to surpass the speed of light is already centennial. The special theory of relativity took the existence of a speed limit as a principle, the light postulate, which has proven to be enormously…

General Relativity and Quantum Cosmology · Physics 2010-01-29 Carlos Barceló , Stefano Finazzi , Stefano Liberati

Zitterbewegung oscillation (ZB), namely, the jittering center-of-mass motion predicted by free space Dirac (or Dirac-like) equations, has been studied in several different contexts. It is shown here that ZB can be converted to directed…

Quantum Physics · Physics 2011-09-19 Qi Zhang , Jiangbin Gong , C. H. Oh

The ability to steer light propagation inside scattering media has long been sought-after due to its potential widespread applications. To form optical foci inside scattering media, the only feasible strategy is to guide photons by using…

Optics · Physics 2014-04-30 Cheng Ma , Xiao Xu , Yan Liu , Lihong V. Wang

We show an implementation of a kappa-deformed Dirac equation in tight-binding arrays of photonic waveguides. This is done with a special configuration of couplings extending to second nearest neighbors. Geometric manipulations can control…

High Energy Physics - Lattice · Physics 2021-07-28 Parisa Majari , Emerson Sadurni , Mohammad Reza Setare , John Alexander Franco-Villafane , Thomas H. Seligman

Both electromagnetic shock-waves and gravitational waves propagate with the speed of light. If they carry significant energy-momentum, this will change the properties of the space-time they propagate through. This can be described in terms…

General Relativity and Quantum Cosmology · Physics 2020-06-24 Bence Racskó , László Árpád Gergely

Relativistically moving dielectric perturbations can be used to manipulate light in new and exciting ways beyond the capabilities of traditional nonlinear optics. Adiabatic interaction with the moving front modulates the wave simultaneously…

We have experimentally confirmed the presence of long-memory correlations in the wandering of a thin Gaussian laser beam over a screen after propagating through a turbulent medium. A laboratory-controlled experiment was conducted in which…

Optics · Physics 2015-07-07 Luciano Zunino , Damián Gulich , Gustavo Funes , Darío G. Pérez

We experimentally probe the distribution of kink pairs resulting from driving a one-dimensional quantum Ising chain through the paramagnet-ferromagnet quantum phase transition, using a single trapped ion as a quantum simulator in momentum…

We consider induced topological transitions in a wire made from cylindrical superconducting film. During a transition, a pulse of electric current causes transport of a virtual vortex-antivortex pair around the cylinder. We consider both…

Quantum Physics · Physics 2007-05-23 S. Khlebnikov

Strong coupling between excitons and confined modes of light presents a promising pathway to tunable and enhanced energy transport in organic materials. By forming hybrid light-matter quasiparticles, exciton-polaritons, electronic…

Chemical Physics · Physics 2024-11-01 Niclas Krupp , Gerrit Groenhof , Oriol Vendrell

We explore the dynamics of relativistic quantum waves in a potential step by using an exact solution to the Klein-Gordon equation with a point source initial condition. We show that in both the propagation, and Klein-tunneling regimes, the…

Quantum Physics · Physics 2020-04-15 Fernando Nieto-Guadarrama , Jorge Villavicencio

We suggest a method to simulate lattice compact Quantum Electrodynamics (cQED) using ultracold atoms in optical lattices, which includes dynamical Dirac fermions in 2+1 dimensions. This allows to test dynamical effects of confinement as…

Quantum Physics · Physics 2013-01-31 Erez Zohar , J. Ignacio Cirac , Benni Reznik