Bence Ölveczky graduated with a degree in Mechanical Engineering from the Technical University of Budapest in 1994. In 1998, he started his PhD with Markus Meister at Harvard University, studying motion processing in the retina. He was elected Junior Fellow in the Harvard Society of Fellows in 2004, and did his fellowship on birdsong learning with Michale Fee at MIT. He is currently an Associat...

The atomic-scale details during melting of a surface-free Lennard-Jones crystal were monitored using molecular dynamics simulations. Melting occurs when the superheated crystal spontaneously generates a sufficiently large number of spatially correlated destabilized particles that simultaneously satisfy the Lindemann and Born instability criteria. The accumulation and coalescence of these intern...

We find that the density dependence of the glass transition temperature of Lennard-Jones (LJ) and Weeks-Chandler-Andersen (WCA) systems can be predicted from properties of the zero-temperature (T=0) glasses. Below a crossover density ρs, LJ and WCA glasses show different structures, leading to different vibrational properties and consequently making LJ glasses more stable with higher glass tran...

The quantum theorem of corresponding states is applied to N=13 and N=26 cold quantum fluid clusters to establish where para-hydrogen clusters lie in relation to more and less quantum delocalized systems. Path integral Monte Carlo calculations of the energies, densities, radial and pair distributions, and superfluid fractions are reported at T=0.5 K for a Lennard-Jones (LJ) (12,6) potential usin...

An introduction to and an overview of various work in progress. Created 2005/01/26 Last Changed Date: 2010-01-25 13:11:02 http://www.rbjones.com/rbjpub/www/papers/p000.pdf Id: p000.tex,v 1.11 2010-01-25 13:11:02 rbj Exp c © Roger Bishop Jones; Licenced under Gnu LGPL p000.tex; 8/08/2010; 20:35; p.1

Scaling of the homogenous vapor-to-liquid nucleation rate, J, is observed in a model Lennard-Jones (LJ) system. The model uses Monte Carlo simulation-generated small cluster growth to decay rate constant ratios and the kinetic steady-state nucleation rate formalism to determine J at four temperatures below the LJ critical temperature, T{c}. When plotted vs the scaled supersaturation, lnS/[T{c}/...

The ground states of Lennard-Jones (LJ) clusters are estimated by finding the Gaussian wave packets that minimize the energy functional. A "phase diagram" for LJ_{n} as a function of size (n=31,...,45) and de Boer quantum delocalization length (Lambdain[0;0.3]) is constructed, showing the stability ranges for the two competing structural motifs, the Mackay and anti-Mackay icosahedra. An increas...

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