نتایج جستجو برای: continuous phase

تعداد نتایج: 842407  

Journal: :Physical review. E 2016
Daniel Escaff Alexandre Rosas Raúl Toral Katja Lindenberg

The theoretical description of synchronization phenomena often relies on coupled units of continuous time noisy Markov chains with a small number of states in each unit. It is frequently assumed, either explicitly or implicitly, that coupled discrete-state noisy Markov units can be used to model mathematically more complex coupled noisy continuous phase oscillators. In this work we explore cond...

2005
You-gang Feng Jia Guan

We found that the differential topology of the lattice-system Ising model determines whether there can be the continuous phase transition, The geometric topology of the space the lattice-system is embedded in determines whether the system can become ordered. If the system becomes ordered it may not admit the continuous phase transition. The spin-projection orientations are strongly influenced b...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2005
Wei Wu Jinyu Huang Shijun Jia Tomasz Kowalewski Krzysztof Matyjaszewski T Pakula A Gitsas G Floudas

The phase state of a series of poly(n-octadecyl methacrylate)-b-poly(tert-butyl acrylate)-b-poly(n-octadecyl methacrylate) (pODMA-b-ptBA-b-pODMA) triblock copolymers, synthesized through atom transfer radical polymerization, has been investigated in bulk and on surfaces using small-angle X-ray scattering and atomic force microscopy, respectively. The mean-field theory was employed to construct ...

1999
John Payne Darrel Emerson Andrea Vaccari

In this section, hardware solutions to the problem of calibrating the MMA amplitude and phase are described. Both solutions use the blocked area in the center of the subreflector as the source of radiation from either a two-temperature load or a cohere nt signal source. A simple mirror mechanism is used to select between the two systems. The coherent source may be made phase stable through a ro...

Journal: :The Journal of chemical physics 2013
S Braun A R Imre T Kraska

Based on molecular dynamics simulation of the vapor-liquid interface, the classical thermodynamic spinodal for n-nonane is estimated using an earlier developed method. The choice of n-nonane as investigated molecule originates from the question whether a deviation from the spherical symmetry of a molecule affects the prediction of the stability limit data. As a result, we find that the estimate...

Journal: :Physical review letters 2007
Chetana Singh Pradip K Ghorai Mark A Horsch Alicia M Jackson Ronald G Larson Francesco Stellacci Sharon C Glotzer

We perform atomistic and mesoscale simulations to explain the origin of experimentally observed stripelike patterns formed by immiscible ligands coadsorbed on the surfaces of gold and silver nanoparticles. We show that when the conformational entropy gained via this morphology is sufficient, microphase-separated stripelike patterns form. When the entropic gain is not sufficient, we instead pred...

Journal: :Reviews of Modern Physics 1997

Journal: :Computers & Mathematics with Applications 2006

1999
Thomas Vojta

We investigate the quantum phase transition of itinerant ferromagnets. It is shown that correlation effects in the underlying itinerant electron system lead to singularities in the order parameter field theory that result in an effective long-range interaction between the spin fluctuations. This interaction turns out to be generically antiferromagnetic for clean systems. In disordered systems a...

Hematological profiles of cyclists fluctuates are based on the volume/frequency/intensity of training. The present study examined the effects of training load on the cyclist’s biochemical profile which may be associated with over training. Twelve male cyclists volunteered to participate in this study. The participants completed a systematic training program which was divided into four phases i....

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