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124 papers · 1 filter
Testing the Early Mars H2-CO2 Greenhouse Hypothesis with a 1-D Photochemical Model
Natasha Batalha, Shawn D. Domagal-Goldman, Ramses Ramirez +1
A recent study by Ramirez et al. (2014) demonstrated that an atmosphere with 1.3-4 bar of CO2 and H2O, in addition to 5-20% H2, could have raised the mean annual and global surface…
Classical Cryptographic Protocols in a Quantum World
Sean Hallgren, Adam Smith, Fang Song
Cryptographic protocols, such as protocols for secure function evaluation (SFE), have played a crucial role in the development of modern cryptography. The extensive theory of these…
Templated Grain Growth in Macroporous Materials
Florian Bouville, Etienne Portuguez, Yunfei Chang +5
We demonstrate a facile method to produce crystallographically textured, macroporous materials using a combination of modified ice templating and templated grain growth (TGG). The…
On equivalent resistance of electrical circuits
Mikhail Kagan
While the standard (introductory physics) way of computing the equvalent resistance of non-trivial electrical ciruits is based on Kirchhoff's rules, there is a mathematically and c…
Characterizing the Structure of Topological Insulator Thin Films
Anthony Richardella, Abhinav Kandala, Joon Sue Lee +1
We describe the characterization of structural defects that occur during molecular beam epitaxy of topological insulator thin films on commonly used substrates. Twinned domains are…
Search for Early Gamma-ray Production in Supernovae Located in a Dense Circumstellar Medium with the Fermi LAT
M. Ackermann, I. Arcavi, L. Baldini +108
Supernovae (SNe) exploding in a dense circumstellar medium (CSM) are hypothesized to accelerate cosmic rays in collisionless shocks and emit GeV gamma rays and TeV neutrinos on a t…