Results 91 to 100 of about 35,614 (300)

Warping and Precession of Accretion Disks Around Magnetic Stars: Nonlinear Evolution

, 2003
The inner region of the accretion disk around a magnetized star (T Tauri star, white dwarf or neutron star) is subjected to magnetic torques that induce warping and precession of the disk.
Aly J. J., Aly J. J., Anzer U., Anzer U., Bouvier J., Dong Lai, Fendt C., Harald P. Pfeiffer, Lipunov V. M., Lovelace R. V. E., Papaloizou J. C., Papaloizou J. C., Priedhorsky W. C., Pringle J. E., Pringle J. E., Pringle J. E., Schandl S., Terquem C., van Ballegooijen A. A., Wang Y.-M., Wang Y.-M.   +20 more
core   +3 more sources

3D‐Printed Sulfur‐Derived Polymers With Controlled Architectures for Lithium‐Sulfur Batteries

Advanced Functional Materials, EarlyView.
Rheology‐guided formulation design for direct ink writing enables the fabrication of 3D sulfur copolymer cathodes with controlled architectures for lithium‐sulfur batteries. The printed electrodes exhibit multiscale porosity and high sulfur utilization, delivering enhanced electrochemical performance compared to conventional cast electrodes.
Bin Ling, Haoran Wang, Pan Yang, Rishav Agrawal, Alex R. Neale, Laurence J. Hardwick, Tom Hasell, Esther García‐Tuñón   +7 more
wiley   +1 more source

Protoplanetary Disks and Their Evolution

, 2011
Flattened, rotating disks of cool dust and gas extending for tens to hundreds of AU are found around almost all low mass stars shortly after their birth.
Cieza, Lucas A., Williams, Jonathan P.
core   +1 more source

Do Proto-Jovian Planets Drive Outflows? [PDF]

, 1998
We discuss the possibility that gaseous giant planets drive strong outflows during early phases of their formation. We consider the range of parameters appropriate for magneto-centrifugally driven stellar and disk outflow models and find that if the ...
A. C. Quillen, Anderson J. D., Artimowicz P., Blandford R. D., Bontemps S., Cabrit S., D. E. Trilling, Isbell J., Mestel L., Whittet D. C. B.   +9 more
core   +2 more sources

From Single Atoms to Nanoparticles: Pathways Toward Efficient and Durable Pt/TiO2 Photocatalysts

Advanced Functional Materials, EarlyView.
Platinum single atoms on TiO2 nanosheets evolve into clusters and nanoparticles under ethanol photoreforming and thermal treatments. By controlling deposition and post‐treatments, particle size and location on specific facets are modulated. The study reveals how stability pathways determine efficiency, guiding the design of more durable photocatalysts.
Juan José Delgado, Enqi Bu, Yaning Han, Carlos López‐Cartes, Mónica Calatayud, Huiyan Pan, Xiaowei Chen   +6 more
wiley   +1 more source

Radiation Hydrodynamic Simulations of Massive Stars in Gas-rich Environments: Accretion of AGN Stars Suppressed by Thermal Feedback

The Astrophysical Journal
Massive stars may form in or be captured into active galactic nuclei (AGN) disks. Recent 1D studies employing stellar-evolution codes have demonstrated the potential for rapid growth of such stars through accretion up to a few hundred solar masses.
Yi-Xian Chen, Yan-Fei Jiang, Jeremy Goodman, Douglas N. C. Lin   +3 more
doaj   +1 more source

Accretion disks around massive stars: Hydrodynamic structure, stability and dust sublimation

, 2009
We investigate the structure of accretion disks around massive protostar applying steady state models of thin disks. The thin disk equations are solved with proper opacities for dust and gas taking into account the huge temperature variation along the ...
Beuther, Beuther, Bhargav Vaidya, Casse, Christian Fendt, Collins, D'Alessio, Dullemond, Fendt, Ferguson, Frank, Gammie, Helling, Henrik Beuther, Hofner, Hosokawa, Kahn, Keto, Krumholz, Lang, Lin, Monnier, Montmerle, Ossenkopf, Pravdo, Pudritz, Rafikov, Schreyer, Shakura, Shakura, Stahler, Turner, Whitney, Wolf, Yorke, Yorke, Zhang   +36 more
core   +1 more source

Imaging of Biphoton States: Fundamentals and Applications

Advanced Functional Materials, EarlyView.
Quantum states of two photons exhibit a rich polarization and spatial structure, which provides a fundamental resource of strongly correlated and entangled states. This review analyzes the physics of these intriguing properties and explores the various techniques and technologies available to measure them, including the state of the art of their ...
Alessio D'Errico, Ebrahim Karimi
wiley   +1 more source

Accretion onto the Embedded Protostar L1527 IRS: Insights from JWST NIRSpec and MIRI Observations

The Astrophysical Journal
Accretion is the primary driver of protostellar evolution, regulating mass assembly and shaping the physical and chemical environments of young stellar objects.
W. Blake Drechsler, John J. Tobin, Patrick D. Sheehan, Leslie W. Looney, S. Thomas Megeath, Ewine F. Van Dishoeck, Valentin J. M. Le Gouellec, Thomas P. Greene, Logan Francis, R. Devaraj, Martijn van Gelder, Lee Hartmann, Lukasz Tychoniec, Nuria Calvet, William J. Fischer   +14 more
doaj   +1 more source

Planet formation around stars of various masses: The snow line and the frequency of giant planets

, 2007
We use a semi-analytic circumstellar disk model that considers movement of the snow line through evolution of accretion and the central star to investigate how gas giant frequency changes with stellar mass.
Grant M. Kennedy, Lynden-Bell D., Nakano T., Nakano T., Nakano T., Podolak M., Scott J. Kenyon, Weidenschilling S. J.   +7 more
core   +1 more source