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We study an unconventional two-dimensional, two-component classical plasma on a sphere, with emphasis on detecting signatures of melting transitions. This system is relevant to Ising-type quantum Hall states, and is unconventional in the…

Statistical Mechanics · Physics 2013-02-14 Egil V. Herland , Egor Babaev , Parsa Bonderson , Victor Gurarie , Chetan Nayak , Leo Radzihovsky , Asle Sudbø

Recently the supercooled Wahnstrom binary Lennard-Jones mixture was partially crystallized into ${\rm MgZn_2}$ phase crystals in lengthy Molecular Dynamics simulations. We present Molecular Dynamics simulations of a modified Kob-Andersen…

Soft Condensed Matter · Physics 2012-10-01 Søren Toxvaerd , Ulf R. Pedersen , Thomas B. Schrøder , Jeppe C. Dyre

Coulomb interactions can have a decisive effect on the ground state of electronic systems. The simplest system in which interactions can play an interesting role is that of two electrons on a string. In the presence of strong interactions…

Mesoscale and Nanoscale Physics · Physics 2013-10-24 S. Pecker , F. Kuemmeth , A. Secchi , M. Rontani , D. C. Ralph , P. L. McEuen , S. Ilani

The problem of two electrons in a square billiard interacting via a finite-range repulsive Yukawa potential and subjected to a constant magnetic field is considered. We compute the energy spectrum for both singlet and triplet states, and…

Mesoscale and Nanoscale Physics · Physics 2009-01-23 L. G. G. V. Dias da Silva , M. A. M. de Aguiar

We present a two-dimensional (2D) photonic crystal system for interacting with cold cesium (Cs) atoms. The band structures of the 2D photonic crystals are predicted to produce unconventional atom-light interaction behaviors, including…

Atomic Physics · Physics 2019-09-04 Su-Peng Yu , Juan A. Muniz , Chen-Lung Hung , H. J. Kimble

Particle systems interacting with a soft repulsion, at thermal equilibrium and under some circumstances, are known to form cluster crystals, i.e. periodic arrangements of particle aggregates. We study here how these states are modified by…

Statistical Mechanics · Physics 2018-11-28 Lorenzo Caprini , Emilio Hernandez-Garcia , Cristobal Lopez

We have measured the phase behavior of a binary mixture of like-charged colloidal spheres with a size ratio of 0.9 and a charge ratio of 0.96 as a function of particle number density n and composition p. Under exhaustively deionized…

Soft Condensed Matter · Physics 2011-04-05 Nina J. Lorenz , Thomas Palberg

Using a strategy that may be applied in theory or in experiments, we identify the regime in which a model binary soft matter mixture forms quasicrystals. The system is described using classical density functional theory combined with…

Soft Condensed Matter · Physics 2021-01-22 A. Scacchi , W. R. C. Somerville , D. M. A. Buzza , A. J. Archer

Steady-state pair correlations between inelastic granular beads in a vertically shaken, quasi two-dimensional cell can be mapped onto the particle correlations in a truly two-dimensional reference fluid in thermodynamic equilibrium. Using…

Soft Condensed Matter · Physics 2019-06-12 Gustavo M. Rodríguez-Liñán , Marco Heinen

The existence of cosmological dark matter is in the bedrock of the modern cosmology. The dark matter is assumed to be nonbaryonic and to consist of new stable particles. However if composite dark matter contains stable electrically charged…

High Energy Physics - Phenomenology · Physics 2018-05-02 Maxim Yu. Khlopov

We present a general argument that highlights the difficulty of determining the space-time structure of the renormalizable bottom quark Yukawa interactions of the Standard Model Higgs boson, or for that matter of any hypothetical spin-zero…

High Energy Physics - Phenomenology · Physics 2019-07-24 Tathagata Ghosh , Rohini Godbole , Xerxes Tata

A new scenario for evolution of contact binaries is presented and discussed. Arguments are given that W UMa-type systems are formed from detached binaries which lose angular momentum via magnetized wind. This takes typically several Gyr.…

Astrophysics · Physics 2007-05-23 K. Stepien

Ion Coulomb crystals are currently establishing themselves as a highly controllable test-bed for mesoscopic systems of statistical mechanics. The detailed experimental interrogation of the dynamics of these crystals however remains an…

Quantum Physics · Physics 2015-05-05 A. Lemmer , C. Cormick , C. T. Schmiegelow , F. Schmidt-Kaler , M. B. Plenio

In this work we explore the interplay between crystallization and glass transition in different binary mixtures by changing their inter-species interaction length and also the composition. We find that only those systems which form bcc…

Soft Condensed Matter · Physics 2015-07-02 Atreyee Banerjee , Suman Chakrabarty , Sarika Maitra Bhattacharyya

We provide the detailed analysis of structural transitions leading to the rapid changes in dimensionality of small Yukawa clusters. These transformations are induced by the variations in the shape of confinement as well as the screening…

Statistical Mechanics · Physics 2012-07-19 Arūnas Radzvilavičius , Olga Rancova , Egidijus Anisimovas

We compare the behavior of a new two-dimensional aqueous colloidal model system with a simple numerical treatment. To the first order the attractive interaction between the colloids induced by an in-plane rotating ac electric field is…

Soft Condensed Matter · Physics 2009-04-21 Nils Elsner , C. Patrick Royall , Brian Vincent , David RE Snoswell

We introduce a global optimization approach for binary clusters that for a given cluster size is able to directly search for the structure and composition that has the greatest stability. We apply this approach to binary Lennard-Jones…

Other Condensed Matter · Physics 2007-05-23 Jonathan P. K. Doye , Lars Meyer

We study parametric interactions in a new type of nonlinear photonic structures, which is realized in the vicinity of a pair of nonlinear crystals. In this kind of structure, which we call binary, multiple nonlinear optical processes can be…

Optics · Physics 2016-12-21 M. Yu. Saygin , A. S. Chirkin

The correlation buildup and the formation dynamics of the shell structure in a spherically confined one-component plasma are studied. Using Langevin dynamics simulations the relaxation processes and characteristic time scales and their…

Plasma Physics · Physics 2015-05-14 H. Kaehlert , M. Bonitz

The minimal supersymmetric standard model with universal boundary conditions and "asymptotic" Yukawa unification is considered. The full one-loop effective potential for radiative electroweak symmetry breaking as well as the one-loop…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. E. Gomez , G. Lazarides , C. Pallis