Results 241 to 250 of about 158,428 (296)

Exciton Radiative Lifetimes in Hexagonal Diamond Ge and SixGe1–x Alloys

open access: yesAdvanced Optical Materials, EarlyView.
Strong room‐temperature photoluminescence reported in hexagonal Ge conflicts with theory predicting a nearly dark band edge. First‐principles calculations of excitonic radiative lifetimes fill a key gap in this debate, showing that pristine hexagonal Ge remains intrinsically weakly emissive, while Si alloying only modestly shortens the lifetime and ...
Michele Re Fiorentin   +2 more
wiley   +1 more source

Enhancing the efficiency of time-dependent density functional theory calculations of dynamic response properties. [PDF]

open access: yesNPJ Comput Mater
Moldabekov ZA   +6 more
europepmc   +1 more source

Extreme market risk and extreme value theory

Mathematics and Computers in Simulation, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Abhay K Singh, David E Allen
exaly   +3 more sources

Extreme Value Theory

Physics Education, 2002
The concept of risk has entered into physics courses in various guises. It is treated explicitly in the Advancing Physics [1] course and implicitly at GCSE through `Ideas and Evidence' discussions. This could easily lead to such ideas as the balance between treatment and risk in radiotherapy and the likelihood of an asteroid strike.
K P Zetie, J E M James
openaire   +1 more source

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