Results 261 to 270 of about 9,248,821 (298)

Light and Dark Cycles Control the Structural Evolution of Photoresponsive Supramolecular Systems. [PDF]

Angew Chem Int Ed Engl
Méndez-Ardoy A, Cissé N, Sanchez-Fernandez A, Fulias-Guzmán P, Stuart MCA, Kudernac T, Montenegro J.   +6 more
europepmc   +1 more source

Visualizing excitonic states in constructed cyclic molecular architectures by tip-enhanced photoluminescence. [PDF]

Nat Commun
Jing SH, Kong FF, Wang XK, Li YZ, Tian XJ, Luo Y, Chen G, Zhang Y, Dong ZC, Zhang Y.   +9 more
europepmc   +1 more source

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White Dwarfs in the HET Dark Energy Experiment

AIP Conference Proceedings, 2010
In the past decades, large scale surveys have discovered a large number of white dwarfs. For example, the Sloan Digital Sky Survey (SDSS) Data Release 7 [5] lists about 20 000 spectroscopically confirmed new white dwarfs. More than just a number, the new discoveries revealed different flavors of white dwarfs, including a new class of pulsators [7] and ...
B. G. Castanheira, D. E. Winget, K. Williams, M. H. Montgomery, R. E. Falcon, J. J. Hermes, Klaus Werner, T. Rauch   +7 more
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The Hobby-Eberly Telescope Dark Energy Experiment

AIP Conference Proceedings, 2004
We describe a project (HETDEX) to measure the evolution of dark energy out to z 4 with high precision. The galaxy power spectrum contains the baryonic oscillations seen in the CMB, and these features remain in the linear regime at high redshift. The separation of these peaks in the power spectrum is a standard ruler imprinted on both the angular and ...
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The research and development program for the SNAP dark energy experiment

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2007
Abstract The SNAP mission includes two surveys to study dark energy. In the deep survey, we detect more than 2000 matched Type Ia supernovae within a 7.5 deg2 field, with redshifts covering the range z = 0.1 – 1.7 . This uniform and high-quality set of “standard candles” will provide the most precise mapping of the expansion of the ...
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New constraints on interacting dark energy from Planck experiment

Proceedings of the International School of Physics “Enrico Fermi”
We present new constraints on interacting dark energy from the recent measurements of the Cosmic Microwave Background Anisotropies from the Planck satellite experiment. We show that an interacting dark-energy model is compatible with the Planck measurements, deriving a weak bound on the dark matter-dark energy coupling parameter ξ=−0.49+0.19 ...
Salvatelli V., Marchini A.
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Forecasting interacting dark energy models with future experiments

The Fifteenth Marcel Grossmann Meeting, 2022
L. Santos, W. Zhao
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