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Published Articles

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2016-05-25
08:33
Exposing nanobubble-like objects to a degassed environment / Berkelaar, Robin P ; Dietrich, Erik ; Kip, Gerard A M ; Kooij, E Stefan ; Zandvliet, Harold J W ; Lohse, Detlef
The primary attribute of interest of surface nanobubbles is their unusual stability and a number of theories trying to explain this have been put forward. Interestingly, the dissolution of nanobubbles is a topic that did not receive a lot of attention yet. [...]
arXiv:1605.07405.- 2016 - Published in : Soft Matter: 10 (2014) , pp. 4947-4955 External link: Preprint

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2016-05-25
08:33
Spectroscopy of cold rubidium Rydberg atoms for applications in quantum information / Ryabtsev, I I ; Beterov, I I ; Tretyakov, D B ; Entin, V M ; Yakshina, E A
Atoms in highly excited (Rydberg) states have a number of unique properties which make them attractive for applications in quantum information. These are large dipole moments, lifetimes and polarizabilities, as well as strong long-range interactions between Rydberg atoms. [...]
arXiv:1605.07398.- 2016 - 20 p. - Published in : Physics - Uspekhi 59(2) 196-208 (2016) External link: Preprint

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2016-05-25
08:33
Stick-jump mode in surface droplet dissolution / Dietrich, Erik ; Kooij, E Stefan ; Zhang, Xuehua ; Zandvliet, Harold J W ; Lohse, Detlef
The analogy between evaporating surface droplets in air to dissolving long-chain alcohol droplets in water is worked out. We show that next to the three known modi for surface droplet evaporation or dissolution (constant contact angle mode, constant contact radius mode, and stick-slide mode), a fourth mode exists for small droplets on supposedly smooth substrates, namely the stick-jump mode: intermittent contact line pinning causes the droplet to switch between sticking and jumping during the dissolution. [...]
arXiv:1605.07395.- 2016 - Published in : Langmuir 31 (2015) 4696-4703 External link: Preprint

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2016-05-25
08:33
Particle tracking around surface nanobubbles / Dietrich, Erik ; Zandvliet, Harold J W ; Lohse, Detlef ; Seddon, James R T
The exceptionally long lifetime of surface nanobubbles remains one of the biggest questions in the field. One of the proposed mechanisms for the stability is the \emph{dynamic equilibrium} model, which describes a constant flux of gas in and out of the bubble. [...]
arXiv:1605.07392.- 2016 - Published in : J. Phys.: Condens. Matter 25 (2013) 184009 External link: Preprint

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2016-05-25
08:33
Elasticity of a semiflexible filament with a discontinuous tension due to a cross-link or a molecular motor / Razbin, Mohammadhosein ; Benetatos, Panayotis ; Zippelius, Annette
We analyze the stretching elasticity of a wormlike chain with a tension discontinuity resulting from a Hookean spring connecting its backbone to a fixed point. The elasticity of isolated semiflexible filaments has been the subject in a significant body of literature, primarily because of its relevance to the mechanics of biological matter. [...]
arXiv:1605.07380.- 2016 - Published in : Physical Review E 93.5 (2016): 052408 External link: Preprint

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2016-05-25
08:33
Controlling slow and fast light and dynamic pulse-splitting with tunable optical gain in a whispering-gallery-mode microcavity / Asano, Motoki ; Özdemir, Şahin Kaya ; Chen, Weijian ; Ikuta, Rikizo ; Yang, Lan ; Imoto, Nobuyuki ; Yamamoto, Takashi
We report controllable manipulation of slow and fast light in a whispering-gallery-mode (WGM) microtoroid resonator fabricated from Erbium (Er3+) doped silica. We observe continuous transition of the coupling between the fiber-taper waveguide and the microresonator from undercoupling to critical coupling and then to overcoupling regimes by increasing the pump power even though the spatial distance between the resonator and the waveguide was kept fixed. [...]
arXiv:1605.07288.- 2016 - Published in : Appl. Phys. Lett. 108 (2016) 181105 External link: Preprint

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2016-05-25
08:32
Generalized Kadanoff-Baym relation in nonequilibrium quenched models / Britto, A L M ; Das, Ashok K ; Frenkel, J
In the context of a broad class of quenched models, we derive a generalized differential form of the Kadanoff-Baym (KB) ansatz which relates the out of equilibrium correlated and spectral Green's functions. This relation holds at any time both before the quench (when it coincides with the fluctuation-dissipation theorem) as well as after it. [...]
arXiv:1605.07517.- 2016 - 9 p. - Published in : Phys. Rev. D 93 (2016) 105034 External link: Preprint

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2016-05-25
08:29
Boson Stars in a Theory of Complex Scalar Fields coupled to $U(1)$ Gauge Field and Gravity / Kumar, Sanjeev ; Kulshreshtha, Usha ; Kulshreshtha, Daya Shankar
We study boson shells and boson stars in a theory of complex scalar field coupled to the $U(1)$ gauge field $A_{\mu}$ and Einstein gravity with the potential: $V(|\Phi|) := \frac{1}{2} m^{2} \left(|\Phi|+ a \right)^2$. This could be considered either as a theory of massive complex scalar field coupled to electromagnetic field and gravity in a conical potential or as a theory in the presence of a potential which is an overlap of a parabolic and a conical potential. [...]
arXiv:1605.07210.- 2016 - 11 p. - Published in : Class. Quantum Gravity 31 (2014) 167001 External link: Preprint

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2016-05-25
08:28
High Resolution Laboratory Spectroscopy / Brünken, Sandra ; Schlemmer, Stephan
In this short review we will highlight some of the recent advancements in the field of high-resolution laboratory spectroscopy that meet the needs dictated by the advent of highly sensitive and broadband telescopes like ALMA and SOFIA. Among these is the development of broadband techniques for the study of complex organic molecules, like fast scanning conventional absorption spectroscopy based on multiplier chains, chirped pulse instrumentation, or the use of synchrotron facilities. [...]
arXiv:1605.07456.- 2016 - Published in : EAS Publication Series 7 (2015) 295-307 External link: Preprint

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2016-05-25
08:28
Temperate Earth-sized planets transiting a nearby ultracool dwarf star / Gillon, Michael ; Jehin, Emmanuel ; Lederer, Susan M ; Delrez, Laetitia ; de Wit, Julien ; Burdanov, Artem ; Van Grootel, Valerie ; Burgasser, Adam J ; Triaud, Amaury H M J ; Opitom, Cyrielle et al.
Star-like objects with effective temperatures of less than 2,700 kelvin are referred to as ultracool dwarfs. This heterogeneous group includes stars of extremely low mass as well as brown dwarfs (substellar objects not massive enough to sustain hydrogen fusion), and represents about 15 per cent of the population of astronomical objects near the Sun. [...]
arXiv:1605.07211.- 2016 - Published in : Issue 7602 (2016) 221-224 External link: Preprint

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