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Showing 1 to 12 of 28 entries
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Influence of Luddism on innovation diffusion.

Physical review. E, Statistical, nonlinear, and soft matter physics

Mellor A, Mobilia M, Redner S, Rucklidge AM, Ward JA.
PMID: 26274224
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Jul;92(1):012806. doi: 10.1103/PhysRevE.92.012806. Epub 2015 Jul 10.

We generalize the classical Bass model of innovation diffusion to include a new class of agents-Luddites-that oppose the spread of innovation. Our model also incorporates ignorants, susceptibles, and adopters. When an ignorant and a susceptible meet, the former is...

Soft-core particles freezing to form a quasicrystal and a crystal-liquid phase.

Physical review. E, Statistical, nonlinear, and soft matter physics

Archer AJ, Rucklidge AM, Knobloch E.
PMID: 26274178
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Jul;92(1):012324. doi: 10.1103/PhysRevE.92.012324. Epub 2015 Jul 29.

Systems of soft-core particles interacting via a two-scale potential are studied. The potential is responsible for peaks in the structure factor of the liquid state at two different but comparable length scales and a similar bimodal structure is evident...

Phase resetting effects for robust cycles between chaotic sets.

Chaos (Woodbury, N.Y.)

Ashwin P, Field M, Rucklidge AM, Sturman R.
PMID: 12946190
Chaos. 2003 Sep;13(3):973-81. doi: 10.1063/1.1586531.

In the presence of symmetries or invariant subspaces, attractors in dynamical systems can become very complicated, owing to the interaction with the invariant subspaces. This gives rise to a number of new phenomena, including that of robust attractors showing...

Quasicrystalline order and a crystal-liquid state in a soft-core fluid.

Physical review letters

Archer AJ, Rucklidge AM, Knobloch E.
PMID: 24182278
Phys Rev Lett. 2013 Oct 18;111(16):165501. doi: 10.1103/PhysRevLett.111.165501. Epub 2013 Oct 15.

A two-dimensional system of soft particles interacting via a two-length-scale potential is studied. Density functional theory and Brownian dynamics simulations reveal a fluid phase and two crystalline phases with different lattice spacing. Of these the larger lattice spacing phase...

Common versus specific factors in psychotherapy: opening the black box.

The lancet. Psychiatry

Mulder R, Murray G, Rucklidge J.
PMID: 28689019
Lancet Psychiatry. 2017 Dec;4(12):953-962. doi: 10.1016/S2215-0366(17)30100-1. Epub 2017 Jul 05.

Do psychotherapies work primarily through the specific factors described in treatment manuals, or do they work through common factors? In attempting to unpack this ongoing debate between specific and common factors, we highlight limitations in the existing evidence base...

Author Correction: Human gut microbiome changes during a 10 week Randomised Control Trial for micronutrient supplementation in children with attention deficit hyperactivity disorder.

Scientific reports

Stevens AJ, Purcell RV, Darling KA, Eggleston MJF, Kennedy MA, Rucklidge JJ.
PMID: 31959984
Sci Rep. 2020 Jan 21;10(1):1180. doi: 10.1038/s41598-020-58141-0.

An amendment to this paper has been published and can be accessed via a link at the top of the paper.

Deriving phase field crystal theory from dynamical density functional theory: Consequences of the approximations.

Physical review. E

Archer AJ, Ratliff DJ, Rucklidge AM, Subramanian P.
PMID: 31574721
Phys Rev E. 2019 Aug;100(2):022140. doi: 10.1103/PhysRevE.100.022140.

Phase field crystal (PFC) theory is extensively used for modeling the phase behavior, structure, thermodynamics, and other related properties of solids. PFC theory can be derived from dynamical density functional theory (DDFT) via a sequence of approximations. Here, we...

Which Wave Numbers Determine the Thermodynamic Stability of Soft Matter Quasicrystals?.

Physical review letters

Ratliff DJ, Archer AJ, Subramanian P, Rucklidge AM.
PMID: 31702194
Phys Rev Lett. 2019 Oct 04;123(14):148004. doi: 10.1103/PhysRevLett.123.148004.

For soft matter to form quasicrystals an important ingredient is to have two characteristic length scales in the interparticle interactions. To be more precise, for stable quasicrystals, periodic modulations of the local density distribution with two particular wave numbers...

Common CYP2D6, CYP2C9, and CYP2C19 Gene Variants, Health Anxiety, and Neuroticism Are Not Associated With Self-Reported Antidepressant Side Effects.

Frontiers in genetics

Maggo S, Kennedy MA, Barczyk ZA, Miller AL, Rucklidge JJ, Mulder RT, Foulds JA.
PMID: 31850065
Front Genet. 2019 Nov 26;10:1199. doi: 10.3389/fgene.2019.01199. eCollection 2019.

Many patients prescribed an antidepressant stop taking it because of side effects. Genetic factors and psychological factors including state or trait anxiety, may explain variation in side effect outcomes. Our aim was to examine the relative contribution of genetic...

Density Distribution in Soft Matter Crystals and Quasicrystals.

Physical review letters

Subramanian P, Ratliff DJ, Rucklidge AM, Archer AJ.
PMID: 34114856
Phys Rev Lett. 2021 May 28;126(21):218003. doi: 10.1103/PhysRevLett.126.218003.

The density distribution in solids is often represented as a sum of Gaussian peaks (or similar functions) centered on lattice sites or via a Fourier sum. Here, we argue that representing instead the logarithm of the density distribution via...

Infinities of stable periodic orbits in systems of coupled oscillators.

Physical review. E, Statistical, nonlinear, and soft matter physics

Ashwin P, Rucklidge AM, Sturman R.
PMID: 12366172
Phys Rev E Stat Nonlin Soft Matter Phys. 2002 Sep;66(3):035201. doi: 10.1103/PhysRevE.66.035201. Epub 2002 Sep 03.

We consider the dynamical behavior of coupled oscillators with robust heteroclinic cycles between saddles that may be periodic or chaotic. We differentiate attracting cycles into types that we call phase resetting and free running depending on whether the cycle...

Study Protocol for a Randomized Double Blind, Treatment Control Trial Comparing the Efficacy of a Micronutrient Formula to a Single Vitamin Supplement in the Treatment of Premenstrual Syndrome.

Medicines (Basel, Switzerland)

Retallick-Brown H, Rucklidge J, Blampied N.
PMID: 28930142
Medicines (Basel). 2016 Dec 07;3(4). doi: 10.3390/medicines3040032.

No abstract available.

Showing 1 to 12 of 28 entries