Direct observations of structural phase transitions in planar crystallized ion plasmas

TB Mitchell, JJ Bollinger, DHE Dubin, XP Huang… - Science, 1998 - science.org
Laser-cooled 9Be+ ions confined in two-dimensionally extended lattice planes were directly
observed, and the images were used to characterize the structural phases of the ions. Five …

Quasilocalized charge approximation in strongly coupled plasma physics

KI Golden, GJ Kalman - Physics of Plasmas, 2000 - pubs.aip.org
In strongly coupled plasma physics, the classical coupling parameter Z2e2/a is the
customary measure of the ratio of the average potential energy to the average kinetic energy …

Direct observations of the structural phases of crystallized ion plasmas

TB Mitchell, JJ Bollinger, XP Huang, WM Itano… - Physics of …, 1999 - pubs.aip.org
Laser-cooled 9Be ions confined in a Penning trap were directly observed, and the images
were used to characterize the structural phases of the ions. With the ions in two …

Crystalline order in laser-cooled, non-neutral ion plasmas

JJ Bollinger, TB Mitchell, XP Huang, WM Itano… - Physics of …, 2000 - pubs.aip.org
Laser-cooled trapped ions can be strongly coupled and form crystalline states. In this paper
we review experimental studies that measure the spatial correlations of Be ion crystals …

Bond orientational order parameters in the crystalline phases of the classical Yukawa-Wigner bilayers

M Mazars - Europhysics Letters, 2008 - iopscience.iop.org
We present a study of the structural properties of the crystalline phases for a planar bilayer of
particles interacting via repulsive Yukawa potentials in the weak screening region. The study …

Collective modes in strongly coupled electronic bilayer liquids

G Kalman, V Valtchinov, KI Golden - Physical review letters, 1999 - APS
We present the first reliable calculation of the collective mode structure of a strongly coupled
electronic bilayer. The calculation is based on a classical model through the 3rd frequency …

Solid phase diagram of a classical electronic bilayer

JJ Weis, D Levesque, S Jorge - Physical Review B, 2001 - APS
Abstract Using a Monte Carlo method in which the shape of the simulation cell can vary, we
identify the sequence of crystal phases occurring in a finite-temperature strongly coupled …

Structure and phase diagram of strongly-coupled bipolar charged-particle bilayers

P Hartmann, Z Donkó, GJ Kalman - Europhysics Letters, 2005 - iopscience.iop.org
Abstract We report Monte Carlo simulations of a classical, strongly-coupled charged-particle
bilayer with opposite charges in the two layers. At layer separations comparable to the …

Dynamical structure functions for charged particle bilayers and superlattices

KI Golden, GJ Kalman - Journal of Physics A: Mathematical and …, 2003 - iopscience.iop.org
A modified Feynman construction with a zero-frequency central peak is used to model the
dynamical structure functions for layered charged particle systems. This construction …

Lekner summations and Ewald summations for quasi-two-dimensional systems

M Mazars* - Molecular Physics, 2005 - Taylor & Francis
The purpose of this work is to carry out a comparison between the Ewald quasi-2D and
Lekner summation methods. These methods were derived to treat the long-range …