Power law behavior of the zigzag transition in Yukawa clusters

Sheridan, T. E.; Magyar, Andrew L.
November 2010
Physics of Plasmas;Nov2010, Vol. 17 Issue 11, p113703
Academic Journal
We provide direct experimental evidence that the width of a Yukawa cluster exhibits power law behavior during the one-dimensional (1D) to two-dimensional (2D) zigzag transition. Configurations of small dusty (complex) plasma clusters confined in a biharmonic potential well are characterized as the well anisotropy is varied. When the anisotropy is large the particles are in a 1D straight-line configuration. As the anisotropy is decreased the cluster undergoes a zigzag transition to a 2D configuration. The measured dependence of cluster width on anisotropy follows a power law. A second transition from the zigzag to an elliptical configuration is also observed. The results are in very good agreement with a model of identical particles interacting through a Yukawa potential.


Related Articles

  • Cost reduction of high-order coupled-cluster methods via active-space and orbital transformation techniques. Rolik, Zoltán; Kállay, Mihály // Journal of Chemical Physics;3/28/2011, Vol. 134 Issue 12, p124111 

    We discuss several techniques which have the potential to decrease the computational expenses of high-order coupled-cluster (CC) methods with a reasonable loss in accuracy. In particular, the CC singles, doubles, and triples (CCSDT) as well as the CC singles, doubles, triples, and perturbative...

  • Phase Transition in Dusty Plasmas: A Microphysical Description. Ganguli, Gurudas; Joyce, Glenn; Lampe, Martin // AIP Conference Proceedings;2002, Vol. 649 Issue 1, p157 

    We report on analytical and simulation studies of microphysical processes that trigger phase transitions in a dusty plasma subject to ion streaming. For pressures below the critical pressure Pc for condensation, the grains acquire a large random kinetic energy and form a weakly coupled fluid. If...

  • "Voids" and phase separation in complex (dusty) plasmas. Avinash, K. // Physics of Plasmas;Jun2001, Vol. 8 Issue 6, p2601 

    By comparing the Helmhotz free energy for the homogeneous and the mixed (inhomogeneous) states a phase diagram for dusty plasma showing gas, fluid and mixed phases of dust grains is obtained. The thermophoretic force provides an additional attractive force between the grains. States with "voids"...

  • On the possibility of phase transitions in dusty plasma structures in a glow discharge under the action of a magnetic field. Dzlieva, E. S.; Ivanov, A. Yu.; Karasev, V. Yu.; Éĭkhval’d, A. I. // Optics & Spectroscopy;Nov2006, Vol. 101 Issue 5, p816 

    The melting of a dusty plasma structure formed in a stratum of a glow discharge caused by application of a magnetic field and its subsequent increase is studied. The images of two-dimensional cross sections of dusty plasma structures previously obtained by the authors are considered. To identify...

  • Landau potential of a KDP crystal in the cluster approximation of the pseudospin model. Abalmassov, V.; Yurkov, A. // Physics of the Solid State;May2012, Vol. 54 Issue 5, p984 

    A relation between the microscopic and phenomenological descriptions of the ferroelectric phase transition in a KDP crystal has been considered. The microscopic description has used the pseudospin model in the cluster approximation taking into account tunneling of a proton on a hydrogen bond and...

  • Dynamical Phase Transition in Dust Crystals. Schweigert, V. A.; Schweigert, I. V.; Nosenko, V.; Goree, J. // AIP Conference Proceedings;2002, Vol. 649 Issue 1, p418 

    Experiments and simulations are reported for a monolayer plasma crystal that is disturbed by an extra particle moving in a plane below the monolayer. Numerical simulations and experiments are performed to find an explanation for the motion of the extra particle. The simulations take into account...

  • The potential around a test charge in magnetized dusty plasmas. Shukla, P.K.; Salimullah, M. // Physics of Plasmas;Oct96, Vol. 3 Issue 10, p3858 

    Calculates the potential of a test dust particle in a magnetized dusty plasma taking into account the dielectric constant associated with electrostatic ion-cyclotron waves. Oscillatory potential distribution around a test dust particle; Debye-Huckel screening potential.

  • Phase transitions in coupled double-layer systems. Hu, Xiao; Kawazoe, Yoshiyuki // Journal of Applied Physics;5/15/1994, Vol. 75 Issue 10, p6486 

    Provides information on a study that investigated phase transition in magnetic systems consisting of a capping layer with uniaxial anisotropy and a recording layer with vertical anisotropy. Details on the capping layer of in-plane anisotropy; Information the capping layer of vertical anisotropy.

  • Tracing the phase boundaries of hard spherocylinders. Bolhuis, Peter; Frenkel, Daan // Journal of Chemical Physics;1/8/1997, Vol. 106 Issue 2, p666 

    Discusses the mapping of the complete phase diagram of hard spherocylinders as a function of the shape anisotropy L/D. Use of special computational techniques to locate phase transitions; Phase boundaries of five different phases; Computation of the initial slope of the coexistence curve.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics