Zobrazeno 1 - 10
of 679
pro vyhledávání: '"Nelson, D. R."'
We examined nine upland cotton cultivars in 2000 to determine silverleaf whitefly (SLW)-cotton leaf trichome relationships. The hairy leaf cultivar Stoneville 474 had significantly higher numbers of SLW eggs, nymphs and adults compared to eight other
Externí odkaz:
http://hdl.handle.net/10150/211329
Publikováno v:
Phys. Rev. E 100, 042112 (2019)
The mechanical properties of thermally excited two-dimensional crystalline membranes can depend dramatically on their geometry and topology. A particularly relevant example is the effect on the crumpling transition of holes in the membrane. Here we u
Externí odkaz:
http://arxiv.org/abs/1907.01010
Publikováno v:
Nature Communications 8 (2017) 1381
Thermalized elastic membranes without distant self-avoidance are believed to undergo a crumpling transition when the microscopic bending stiffness is comparable to $kT$, the scale of thermal fluctuations. Most potential physical realizations of such
Externí odkaz:
http://arxiv.org/abs/1705.07379
Publikováno v:
Phys. Rev. E 80 (2009) 051703
When thermal energies are weak, two dimensional lamellar structures confined on a curved substrate display complex patterns arising from the competition between layer bending and compression in the presence of geometric constraints. We present broad
Externí odkaz:
http://arxiv.org/abs/0908.4358
Icosahedral shells undergo a buckling transition as the ratio of Young's modulus to bending stiffness increases. Strong bending stiffness favors smooth, nearly spherical shapes, while weak bending stiffness leads to a sharply faceted icosahedral shap
Externí odkaz:
http://arxiv.org/abs/0706.4291
Publikováno v:
Biophysical Journal, 88, 2752-2765, (2005).
Under constant applied force, the separation of double-stranded DNA into two single strands is known to proceed through a series of pauses and jumps. Given experimental traces of constant-force unzipping, we present a method whereby the locations of
Externí odkaz:
http://arxiv.org/abs/cond-mat/0406246
Autor:
Bausch, A. R., Bowick, M. J., Cacciuto, A., Dinsmore, A. D., Hsu, M. F., Nelson, D. R., Nikolaides, M. G., Travesset, A., Weitz, D. A.
Publikováno v:
Science 299 (2003) 1716
We describe experimental investigations of the structure of two-dimensional spherical crystals. The crystals, formed by beads self-assembled on water droplets in oil, serve as model systems for exploring very general theories about the minimum energy
Externí odkaz:
http://arxiv.org/abs/cond-mat/0303289
Autor:
Franosch, T., Nelson, D. R.
Publikováno v:
Phys. Rev. E 63, 061706 (2001)
The response of a field-stabilized two-dimensional smectic to shear stress is discussed. Below a critical temperature the smectic film exhibits elastic response to an infinitesimal shear stress normal to the layering. At finite stresses free dislocat
Externí odkaz:
http://arxiv.org/abs/cond-mat/0012433
Autor:
Chou, T., Nelson, D. R.
We study the interplay between an isostructural critical point and dislocation mediated two-dimensional melting, using a combination of Landau and continuum elasticity theory. If dislocations are excluded, coupling to the elastic degrees of freedom l
Externí odkaz:
http://arxiv.org/abs/cond-mat/9510010