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Related papers: Phase separation in star polymer-colloid mixtures

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The thermodynamic instabilities of a binary mixture of sticky hard spheres (SHS) in the modified Mean Spherical Approximation (mMSA) and the Percus-Yevick (PY) approximation are investigated using an approach devised by X. S. Chen and F.…

Statistical Mechanics · Physics 2007-05-23 Riccardo Fantoni , Domenico Gazzillo , Achille Giacometti

Using general-relativistic hydrodynamical simulations, we show that merging binary neutron stars can form hypermassive neutrons stars that undergo the one-arm spiral instability. We study the particular case of a dynamical capture merger…

High Energy Astrophysical Phenomena · Physics 2016-01-06 Vasileios Paschalidis , William E. East , Frans Pretorius , Stuart L. Shapiro

We explore the effects of dynamical evolution in dense clusters on the companion mass ratio distribution (CMRD) of binary stars. Binary systems are destroyed by interactions with other stars in the cluster, lowering the total binary…

Astrophysics of Galaxies · Physics 2015-06-15 Richard J. Parker , Maddalena M. Reggiani

Outcomes of numerical relativity simulations of massive core collapses or binary neutron star mergers with moderate masses suggest formations of rapidly and differentially rotating neutron stars. Subsequent fall back accretion may also…

High Energy Astrophysical Phenomena · Physics 2017-11-29 Koji Uryu , Antonios Tsokaros , Luca Baiotti , Filippo Galeazzi , Keisuke Taniguchi , Shin'ichirou Yoshida

We present a quantitative picture of the separation of star polymers in a solution where part of the volume is influenced by a porous medium. To this end, we study the impact of long-range-correlated quenched disorder on the entropy and…

Soft Condensed Matter · Physics 2009-11-11 V. Blavats'ka , C. von Ferber , Yu. Holovatch

We introduce a simple and predictive model for determining the phase stability of ternary phospholipid-cholesterol mixtures. Assuming that competition between the liquid and gel order of the phospholipids is the main driving force behind…

Soft Condensed Matter · Physics 2011-04-01 Jean Wolff , Carlos M. Marques , Fabrice Thalmann

The method of spectral disentangling has now created the opportunity for studying the chemical composition in previously inaccessible components of binary and multiple stars. This in turn makes it possible to trace their chemical evolution,…

Solar and Stellar Astrophysics · Physics 2015-05-30 K. Pavlovski , J. Southworth

We study rapidly spinning compact stars with equations of state featuring a first order phase transition between strongly coupled nuclear matter and deconfined quark matter by employing the gauge/gravity duality. We consider a family of…

High Energy Astrophysical Phenomena · Physics 2021-02-10 Tuna Demircik , Christian Ecker , Matti Järvinen

We investigate - with Monte Carlo computer simulations - the phase behaviour of dimeric colloidal molecules on periodic substrates with square symmetry. The molecules are formed in a two-dimensional suspension of like charged colloids…

Soft Condensed Matter · Physics 2015-06-04 Samir El Shawish , Emmanuel Trizac , Jure Dobnikar

We study the phase separation kinetics of miktoarm star polymer (MSP) melts and blends with diverse architectures using dissipative particle dynamics simulations. Our study focuses on symmetric and asymmetric miktoarm star polymer…

Soft Condensed Matter · Physics 2024-06-18 Dorothy Gogoi , Avinash Chauhan , Sanjay Puri , Awaneesh Singh

Mass and radius measurements of stars are important inputs for models of stellar structure. Binary stars are of particular interest in this regard, because astrometry and spectroscopy of a binary together provide the masses of both stars as…

Instrumentation and Methods for Astrophysics · Physics 2021-09-22 Km Nitu Rai , Soumen Basak , Prasenjit Saha

Conformational properties of star-shaped polymer aggregates that carry attractive end-groups, called telechelic star polymers, are investigated by simulation and analytical variational theory. We focus on the case of low telechelic star…

Soft Condensed Matter · Physics 2007-05-23 Federica Lo Verso , Christos N. Likos , Christian Mayer , Hartmut Loewen

Two stages of quantum spinodal decomposition is proposed and analyzed for this highly non-equilibrium process. Both time and spatial scales for the process are found. Qualitative agreement with existing data is found. Some cases the…

Condensed Matter · Physics 2009-10-31 P. Ao , S. T. Chui

Most massive stars experience binary interactions in their lifetimes that can alter both the surface and core structure of the stripped star with significant effects on their ultimate fate as core-collapse supernovae. However, core-collapse…

Solar and Stellar Astrophysics · Physics 2021-08-04 David Vartanyan , Eva Laplace , Mathieu Renzo , Ylva Götberg , Adam Burrows , Selma E. de Mink

About a quarter of massive binary stars undergo mass transfer while both stars burn hydrogen at their cores, first on the thermal and then on the nuclear timescale. The nuclear timescale mass transfer leads to observable counterparts: the…

Solar and Stellar Astrophysics · Physics 2022-03-14 K. Sen , N. Langer , P. Marchant , A. Menon , S. E. de Mink , A. Schootemeijer , C. Schürmann , L. Mahy , B. Hastings , K. Nathaniel , H. Sana , C. Wang , X. T. Xu

We compute phase diagrams for $A_nB_m$ starblock copolymers in the strong-segregation regime as a function of volume fraction $\phi$, including bicontinuous phases related to minimal surfaces (G, D, and P surfaces) as candidate structures.…

Soft Condensed Matter · Physics 2009-10-31 Peter D. Olmsted , Scott T. Milner

Observations of young multiple star systems find a bimodal distribution in companion frequency and separation. The origin of these peaks has often been attributed to binary formation via core and disc fragmentation. However, theory and…

Astrophysics of Galaxies · Physics 2023-06-21 R. Kuruwita , T. Haugbølle

We investigate two-dimensional crystal assemblies formed by a binary mixture of colloidal particles with a size ratio of 0.88 and driven by short-ranged depletion interactions. Our experiments show that the orientational order of the…

Soft Condensed Matter · Physics 2025-08-18 S. k. Tahmid Shahriar , Chris Feltman , Sean Machler , Nabila Tanjeem

A mixture of spin-polarized light and heavy fermionic atoms on a finite size 2D optical lattice is considered at various temperatures and values of the coupling between the two atomic species. In the case, where the heavy atoms are immobile…

Statistical Mechanics · Physics 2007-05-23 C. Ates , K. Ziegler

The glass transition in binary mixtures of star polymers is studied by mode coupling theory and extensive molecular dynamics computer simulations. In particular, we have explored vitrification in the parameter space of size asymmetry…