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We model the emission of high energy photons due to relativistic charged particle motion in intense laser-plasma interactions. This is done within a particle-in-cell code, for which high frequency radiation normally cannot be resolved due…

Plasma Physics · Physics 2015-12-14 Erik Wallin , Arkady Gonoskov , Mattias Marklund

Rapid progress in the precision and accuracy of optical atomic clocks over the last decade has advanced the frontiers of timekeeping, metrology, and quantum science. However, the stabilities of most optical clocks remain limited by the…

Atomic Physics · Physics 2022-03-09 Xin Zheng , Jonathan Dolde , Varun Lochab , Brett N. Merriman , Haoran Li , Shimon Kolkowitz

We obtain a system of exact solutions of the Dirac equation for an electron moving in a constant homogeneous external magnetic field with account of its vacuum magnetic moment and assumed Lorentz invariance violation in the minimal CPT-odd…

High Energy Physics - Theory · Physics 2008-11-26 I. E. Frolov , V. Ch. Zhukovsky

This paper covers recent progress in the design of optics solutions to minimize collective effects such as beam instabilities, intra-beam scattering or space charge in hadron and lepton rings. The necessary steps are reviewed for designing…

Accelerator Physics · Physics 2020-08-27 Y. Papaphilippou , F. Antoniou , H. Bartosik

Recent work has shown that synchrotron emission from relativistic plasmas leads the electron distribution to form an anisotropic ring in momentum space, which can be unstable to both kinetic and hydrodynamic instabilities. Fundamental to…

Plasma Physics · Physics 2024-07-19 Ian E. Ochs

Optically-coupled semiconductor laser arrays are described by coupled rate equations. The coupled mode equations and carrier densities are included in the analysis, which inherently incorporate the carrier-induced nonlinearities including…

Optics · Physics 2018-05-02 Zihe Gao , Matthew T. Johnson , Kent D. Choquette

The standard calculations of the synchrotron emission from charged particles in magnetic fields does not apply when the energy losses of the particles are so severe that their energy is appreciably degraded during one Larmor rotation. In…

Astrophysics · Physics 2009-11-07 Roberto Aloisio , Pasquale Blasi

Three quantitative measures of the spatiotemporal behavior of the coupled map lattices: reduced density matrix, reduced wave function, and an analog of particle number, have been introduced. They provide a quantitative meaning to the…

Chaotic Dynamics · Physics 2014-10-10 Maciej Janowicz , Arkadiusz Orłowski

A method is presented for characterizing the emittance dilution and dynamic aperture for an arbitrary closed lattice that includes guide field magnet errors, multipole errors and misalignments. This method, developed and tested at the…

Accelerator Physics · Physics 2015-06-17 James Shanks , Dave Rubin , David Sagan

Various effects of intense synchrotron radiation on the performance of particle accelerators, especially for storage rings, are discussed. Following a brief introduction to synchrotron radiation, the basic concepts of heat load, gas load,…

Accelerator Physics · Physics 2016-08-09 Y. Suetsugu

We develop a parallel algorithm that calculates the exact partition function of a lattice polymer, by enumerating the number of conformations for each energy level. An efficient parallelization of the calculation is achieved by classifying…

Statistical Mechanics · Physics 2012-09-27 Jae Hwan Lee , Seung-Yeon Kim , Julian Lee

Methods of enhanced laser cooling of particle beams in storage rings and Robinson's damping criterion are discussed. The dynamics of amplitudes of betatron oscillations and instantaneous orbits of electrons interacting with laser beams…

Classical Physics · Physics 2007-05-23 E. G. Bessonov

We analyze the physical mechanisms leading either to synchronization or to the formation of spatio-temporal patterns in a lattice model of pulse-coupled oscillators. In order to make the system tractable from a mathematical point of view we…

Statistical Mechanics · Physics 2009-10-30 Albert Diaz-Guilera , Conrad J. Perez , Alex Arenas

Harmonic mode-locking, realized actively or passively, is an effective technique for increasing the repetition rate of lasers, with important applications in optical sampling, laser micro-machining and frequency metrology. It is critically…

We compute the integrated doublon production rate in response to a lattice modulation for two component fermions in an optical lattice. We derive a general formula for the integrated intensity, valid in the presence of inhomogeneous…

Quantum Gases · Physics 2012-06-20 Akiyuki Tokuno , Thierry Giamarchi

It has been realized in recent years that coupled focusing lattices in accelerators and storage rings have significant advantages over conventional uncoupled focusing lattices, especially for high-intensity charged particle beams. A…

Accelerator Physics · Physics 2024-12-12 Hong Qin , Moses Chung , Ronald C. Davidson , J. W. Burby

This contribution compiles the benefits of lattice symmetry in the context of closed orbit correction. A symmetric arrangement of BPMs and correctors results in structured orbit response matrices of Circulant or block Circulant type. These…

Accelerator Physics · Physics 2019-07-31 Sajjad Hussain Mirza , Rahul Singh , Peter Forck , Harald Klingbeil

In this paper, we design a series of matching boundary conditions for a two-dimensional compound honeycomb lattice, which has an explicit and simple form, high computing efficiency and good effectiveness of suppressing boundary reflections.…

Numerical Analysis · Mathematics 2024-03-15 Baiyili Liu , Songsong Ji , Gang Pang , Shaoqiang Tang , Lei Zhang

The dynamics of charged particle beams interacting with laser beams and material targets in storage rings is presented. Formulas for the radiative damping, quantum excitation and equilibrium parameters of ion and electron beams determined…

Classical Physics · Physics 2007-05-23 E. G. Bessonov

Exact solutions are given for the Maxwell equations driven by a gyrating ultrarelativistic electron inside a reflecting cylindrical boundary. The axis of the electrons's trajectory and the axis of the surrounding cylinder are supposed to…

Accelerator Physics · Physics 2011-02-01 Sandor Varro