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Surface nanobubbles are stable gaseous phases in liquids that form on solid substrates. While their existence has been confirmed, there are many open questions related to their formation and dissolution processes along with their structures…

Fluid Dynamics · Physics 2022-04-20 Zhizhao Che , Panagiotis E. Theodorakis

We show that a nonlinear, piecewise-smooth, planar dynamical system can exhibit canard phenomena. Canard solutions and explosion in nonlinear, piecewise-smooth systems can be qualitatively more similar to the phenomena in smooth systems…

Dynamical Systems · Mathematics 2015-06-18 Andrew Roberts , Paul Glendinning

Morphology evolution and coarsening of metal nanoislands is computed within the framework of a surface diffusion-type model that includes the effects of the electron energy confinement within the film, the charge spillage at the…

Materials Science · Physics 2017-10-20 Mikhail Khenner

The Euclidean Nariai geometry has long been proposed as the instanton describing the nucleation of maximal-mass black holes in de Sitter space. We place this interpretation on firmer footing by showing that, once an observer is included,…

High Energy Physics - Theory · Physics 2026-05-14 Xiaoyi Shi , Gustavo J. Turiaci , Chih-Hung Wu

The origin of spiral patterns in galaxies is still not fully understood. Similar features also develop readily in N-body simulations of isolated cool, collisionless disks, yet even here the mechanism has yet to be explained. In this series…

Astrophysics of Galaxies · Physics 2015-06-04 J. A. Sellwood

In rotating scattering systems, the generic saddle-center scenario leads to stable islands in phase space. Non-interacting particles whose initial conditions are defined in such islands will be trapped and form rotating rings. This result…

Chaotic Dynamics · Physics 2009-10-31 L. Benet , T. H. Seligman

A theory is developed for the emission noise at frequency $\nu$ in a quantum dot in the presence of Coulomb interactions and asymmetric couplings to the reservoirs. We give an analytical expression for the noise in terms of the various…

Mesoscale and Nanoscale Physics · Physics 2018-03-15 A. Crépieux , S. Sahoo , T. Q. Duong , R. Zamoum , M. Lavagna

Geometrically decorated two-dimensional (2D) discrete surfaces can be more effective than conventional smooth reflectors in managing wave radiation. Constructive non-specular wave scattering permits the scattering angle to be other than…

The formation and evaporation of two dimensional black holes are discussed. It is shown that if the radiation in minimal scalars has positive energy, there must be a global event horizon or a naked singularity. The former would imply loss…

High Energy Physics - Theory · Physics 2009-10-22 S. W. Hawking , J. D. Hayward

Hydrogen arranges at dislocations in palladium to form nanoscale hydrides, changing the vibrational spectra. An ab initio hydrogen potential energy model versus Pd neighbor distances allows us to predict the vibrational excitations for H…

Materials Science · Physics 2011-06-01 Dallas R. Trinkle , Hyunsu Ju , Brent J. Heuser , Terrence J. Udovic

We use experiments and minimal numerical models to investigate the rapidly expanding monolayer formed by the impact of a dense suspension drop against a smooth solid surface. The expansion creates a lace-like pattern of particle clusters…

Fluid Dynamics · Physics 2014-07-30 Luuk A. Lubbers , Qin Xu , Sam Wilken , Wendy W. Zhang , Heinrich M. Jaeger

Most self-assembled quantum dot molecules are intrinsically asymmetric with inequivalent dots resulting from imperfect control of crystal growth. We have grown vertically-aligned pairs of InAs/GaAs quantum dots by molecular beam epitaxy,…

Fostered by the recent progress of the fields of plasmonics and metamaterials, the seminal topic of light scattering by clusters of nanoparticles is attracting enormous renewed interest gaining more attention than ever before. Related…

Optics · Physics 2013-10-31 Ben Hopkins , Wei Liu , Andrey E. Miroshnichenko , Yuri S. Kivshar

The Sudden Approximation (SA) for scattering of atoms from surfaces is generalized to allow for double collision events and scattering from time-dependent quantum liquid surfaces. The resulting new schemes retain the simplicity of the…

Materials Science · Physics 2015-06-25 Daniel A. Lidar

We describe important considerations to create top-down fabricated planar quantum dots in silicon, often not discussed in detail in literature. The subtle interplay between intrinsic material properties, interfaces and fabrication processes…

Mesoscale and Nanoscale Physics · Physics 2018-02-06 Paul C. Spruijtenburg , Sergey V. Amitonov , Wilfred G. van der Wiel , Floris A. Zwanenburg

Condensation of objects into stable clusters occurs naturally in equilibrium and driven systems. It is commonly held that potential interactions, depletion forces, or sensing are the only mechanisms which can create long-lived compact…

Soft Condensed Matter · Physics 2017-04-26 Michelle Driscoll , Blaise Delmotte , Mena Youssef , Stefano Sacanna , Aleksandar Donev , Paul Chaikin

Rotation of such objects as an atomic nucleus or a chromodynamical string can result in specific effects in scattering processes and multiparticle production. Secondary fragments of the rotating nucleus or of the decaying string can move…

High Energy Physics - Phenomenology · Physics 2022-03-02 I. M. Dremin , V. I. Manko

Shallow water waves are a striking example of nonlinear hydrodynamics, giving rise to phenomena such as tsunamis and undular waves. These dynamics are typically studied in hundreds-of-meter-long wave flumes. Here, we demonstrate a…

Pattern formation on semiconductor surfaces induced by low energetic ion-beam erosion under normal and oblique incidence is theoretically investigated using a continuum model in form of a stochastic, nonlocal, anisotropic…

Materials Science · Physics 2009-11-11 Sebastian Vogel , Stefan J. Linz

The development of a Turing instability to a spatially modulated state in a photoexcited electron-hole system is proposed as a novel signature of exciton Bose statistics. We show that such an instability, which is driven by kinetics of…

Mesoscale and Nanoscale Physics · Physics 2008-04-12 L. S. Levitov , B. D. Simons , L. V. Butov