Search Results - "Posch, H."

Switching off for future—Cost estimate and a simple approach to improving the ecological footprint of radiological departments by Büttner, L., Posch, H., Auer, T.A., Jonczyk, M., Fehrenbach, U., Hamm, B., Bauknecht, H.C., Böning, G.

“…•Radiology departments have high potential to improve their ecological footprint.•Switching off workstations after core working hours can considerably reduce…”
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Negative specific heat, the thermodynamic limit, and ergodicity by Thirring, W, Narnhofer, H, Posch, H A

“…Thermodynamic stability, in particular, the positivity of the specific heat in the microcanonical ensemble, is not an automatic consequence of the…”
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Hard disks in narrow channels by Forster, Ch, Mukamel, D, Posch, H A

“…The thermodynamic and dynamical behavior of a gas of hard disks in a narrow channel is studied theoretically and numerically. Using a virial expansion, we find…”
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Gravitational collapse and ergodicity in confined gravitational systems by MILANOVIC, Lj, POSCH, H. A, THIRRING, W

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Driven tracer with absolute negative mobility by Cividini, J, Mukamel, D, Posch, H. A

“…Instances of negative mobility, where a system responds to a perturbation in a way opposite to naive expectation, have been studied theoretically and…”
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Lyapunov Spectrum and the Conjugate Pairing Rule for a Thermostatted Random Lorentz Gas: Numerical Simulations by Dellago, Ch, Posch, H. A.

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Driven tracers in narrow channels by Cividini, J, Mukamel, D, Posch, H. A

“…Phys. Rev. E 95, 012110 (2017) Steady state properties of a driven tracer moving in a narrow two dimensional (2D) channel of quiescent medium are studied. The…”
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Kolmogorov-Sinai entropy and Lyapunov spectra of a hard-sphere gas by Dellago, Ch, Posch, H.A.

“…The mixing behavior of a hard-sphere gas has its origin in the exponential growth of small perturbations in phase space. This instability is characterized by…”
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Localized and delocalized modes in the tangent-space dynamics of planar hard dumbbell fluids by Milanović, Lj, Posch, H.A.

“…Systems of hard dumbbels are, arguably, the simplest model for a molecular fluid composed of linear molecules. We study here the Lyapunov instability for…”
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Statistical mechanics and computer simulation of systems with attractive positive power-law potentials by Milanović, Lj, Posch, H., Thirring, W.

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Lyapunov instability, local curvature, and the fluid-solid phase transition in two-dimensional particle systems by Dellago, Ch, Posch, H.A.

“…We study the relation between the Lyapunov spectrum and the multidimensional geometry of the potential energy surface in terms of the distribution of stable…”
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Comment on “Lyapunov Exponent of a Many Body System and Its Transport Coefficients” by Torcini, A., Dellago, Ch, Posch, H. A.

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Lyapunov instability in the extended XY-model: Equilibrium and nonequilibrium molecular dynamics simulations by Dellago, Ch, Posch, H.A.

“…The extended XY-model, a classical system of planar rotators with nearest neighbor interaction, is studied with molecular dynamics simulations. This model…”
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The presence of an exotic snail, Pomacea maculata, inhibits growth of juvenile Florida apple snails, Pomacea paludosa by Posch, H., Garr, A. L., Reynolds, E.

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Soft disks in a narrow channel by Mukamel, D, Posch, H. A

“…The pressure components of "soft" disks in a two dimensional narrow channel are analyzed in the dilute gas regime using the Mayer cluster expansion and…”
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Canonical dynamics of the Nosé oscillator: stability, order, and chaos by POSCH, H. A, HOOVER, W. G, VESELY, F. J

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Equilibrium and nonequilibrium Lyapunov spectra for dense fluids and solids by POSCH, H. A, HOOVER, W. G

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Lyapunov Exponents from Kinetic Theory for a Dilute, Field-Driven Lorentz Gas by van Beijeren H, Dorfman, JR, Cohen, EG, Posch, HA, Dellago, C

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Lyapunov Instability of the Boundary-Driven Chernov–Lebowitz Model for Stationary Shear Flow by Dellago, Ch, Posch, H. A.

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Liquid drops and surface tension with smoothed particle applied mechanics by Nugent, S, Posch, HA

“…Smoothed particle applied mechanics (SPAM), also referred to as smoothed particle hydrodynamics, is a Lagrangian particle method for the simulation of…”
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