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Showing 1 to 12 of 53 entries
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Horizons and free-path distributions in quasiperiodic Lorentz gases.

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

Kraemer AS, Schmiedeberg M, Sanders DP.
PMID: 26651670
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Nov;92(5):052131. doi: 10.1103/PhysRevE.92.052131. Epub 2015 Nov 20.

We study the structure of quasiperiodic Lorentz gases, i.e., particles bouncing elastically off fixed obstacles arranged in quasiperiodic lattices. By employing a construction to embed such structures into a higher-dimensional periodic hyperlattice, we give a simple and efficient algorithm...

Effective substrate potentials with quasicrystalline symmetry depend on the size of the adsorbed particles.

The European physical journal. E, Soft matter

Rühle F, Sandbrink M, Stark H, Schmiedeberg M.
PMID: 26087915
Eur Phys J E Soft Matter. 2015 Jun;38(6):54. doi: 10.1140/epje/i2015-15054-y. Epub 2015 Jun 22.

We explore the effective potential landscapes that extended particles experience when adsorbed on the surface of quasicrystals. Commonly, these are solids with long-ranged order but no translational symmetry. The effective potentials significantly depend on the size of the adsorbed...

Freezing and melting of a colloidal adsorbate on a 1D quasicrystalline substrate.

Physical review letters

Schmiedeberg M, Roth J, Stark H.
PMID: 17155368
Phys Rev Lett. 2006 Oct 13;97(15):158304. doi: 10.1103/PhysRevLett.97.158304. Epub 2006 Oct 12.

Using Monte Carlo simulations and an extended Landau-Alexander-McTague theory, we demonstrate that colloids in a one-dimensional quasicrystalline potential order in triangular and rhombic-alpha crystalline phases. Increasing the strength of the potential further, a new type of light-induced melting is...

Original sin.

Psychoanalytic review

SCHMIDEBERG W.
PMID: 15412972
Psychoanal Rev. 1950 Apr;37(2):140-2.

No abstract available.

Phason-induced dynamics of colloidal particles on quasicrystalline substrates.

The European physical journal. E, Soft matter

A Kromer J, Schmiedeberg M, Roth J, Stark H.
PMID: 23512714
Eur Phys J E Soft Matter. 2013 Mar;36(3):25. doi: 10.1140/epje/i2013-13025-0. Epub 2013 Mar 21.

Phasons are special hydrodynamic modes that occur in quasicrystals. The trajectories of particles due to a phasonic drift were recently studied by Kromer et al. (Phys. Rev. Lett. 108, 218301 (2012)) for the case where the particles stay in...

Event-chain Monte Carlo simulations of the liquid to solid transition of two-dimensional decagonal colloidal quasicrystals.

Journal of physics. Condensed matter : an Institute of Physics journal

Martinsons M, Hielscher J, Kapfer SC, Schmiedeberg M.
PMID: 31342938
J Phys Condens Matter. 2019 Nov 27;31(47):475103. doi: 10.1088/1361-648X/ab3519. Epub 2019 Jul 25.

In event-chain Monte Carlo simulations, we model colloidal particles in two dimensions that interact according to an isotropic short-ranged pair potential which supports the two typical length scales present in decagonal quasicrystals. We investigate the assembled structures as we...

The thermal jamming transition of soft harmonic disks in two dimensions.

The European physical journal. E, Soft matter

Maiti M, Schmiedeberg M.
PMID: 30915605
Eur Phys J E Soft Matter. 2019 Mar 28;42(3):38. doi: 10.1140/epje/i2019-11802-3.

By exploring the properties of the energy landscape of a bidisperse system of soft harmonic disks in two dimensions we determine the thermal jamming transition. To be specific, we study whether the ground state of the system where the...

Dislocation-free growth of quasicrystals from two seeds due to additional phasonic degrees of freedom.

Physical review. E

Schmiedeberg M, Achim CV, Hielscher J, Kapfer SC, Löwen H.
PMID: 29347123
Phys Rev E. 2017 Jul;96(1):012602. doi: 10.1103/PhysRevE.96.012602. Epub 2017 Jul 17.

We explore the growth of two-dimensional quasicrystals, i.e., aperiodic structures that possess long-range order, from two seeds at various distances and with different orientations by using dynamical phase-field crystal calculations. We compare the results to the growth of periodic...

Values and goals in psychotherapy.

The Psychiatric quarterly

SCHMIDEBERG M.
PMID: 13591422
Psychiatr Q. 1958;32(2):233-65. doi: 10.1007/BF01561631.

No abstract available.

A colloidal model system with tunable disorder: solid-fluid transition and discontinuities in the limit of zero disorder.

The European physical journal. E, Soft matter

Richter C, Schmiedeberg M, Stark H.
PMID: 21979839
Eur Phys J E Soft Matter. 2011 Oct;34(10):107. doi: 10.1140/epje/i2011-11107-7. Epub 2011 Oct 10.

We study a colloidal model system where disorder can be continuously tuned from no disorder--corresponding to a system that can crystallize--to large disorder where geometrical frustration occurs. The model system consists of colloidal particles with screened electrostatic repulsion. They...

On the Different Action of Coffein on the Rana Temporaria and the Rana Esculenta.

Edinburgh medical journal

Schmiedeberg O.
PMID: 29638950
Edinb Med J. 1874 Nov;20(5):462-463.

No abstract available.

Brownian particles on rough substrates: relation between intermediate subdiffusion and asymptotic long-time diffusion.

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

Hanes RD, Schmiedeberg M, Egelhaaf SU.
PMID: 24483412
Phys Rev E Stat Nonlin Soft Matter Phys. 2013 Dec;88(6):062133. doi: 10.1103/PhysRevE.88.062133. Epub 2013 Dec 18.

Brownian particles in random potentials show an extended regime of subdiffusive dynamics at intermediate times. The asymptotic diffusive behavior is often established at very long times and thus cannot be accessed in experiments or simulations. For the case of...

Showing 1 to 12 of 53 entries