Zobrazeno 1 - 10
of 435
pro vyhledávání: '"Hedin, L."'
Publikováno v:
Diabetes, Metabolic Syndrome and Obesity, Vol Volume 14, Pp 4641-4653 (2021)
Muhammad U Sohail,1 Lars Hedin,2 Maha Al-Asmakh3– 5 1Proteomics Core, Weill Cornell Medicine-Qatar, Doha, Qatar; 2The Royal Norwegian Ministry of Health and Care Services, Molde Kommune, 6413, Norway; 3Department of Biomedical Science, College of H
Externí odkaz:
https://doaj.org/article/5e168df6dde7469fb71f032dd5526103
Akademický článek
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The interference between extrinsic and intrinsic losses in x-ray absorption fine structure (XAFS) is treated within a Green's function formalism, without explicit reference to final states. The approach makes use of a quasi-boson representation of ex
Externí odkaz:
http://arxiv.org/abs/cond-mat/0110643
Autor:
Hedin, L., Lee, J. D.
The conditions behind the sudden approximation are critically examined. The fuzzy band expression is derived in detail from first principles. We go beyond the sudden approximation to account for both extrinsic losses and interference effects. In an e
Externí odkaz:
http://arxiv.org/abs/cond-mat/0109517
Autor:
Hedin, L., Lee, J. D.
New expressions are derived for photoemission, which allow experimental electron energy loss data to be used for estimating losses in photoemission. The derivation builds on new results for dielectric response and mean free paths of strongly correlat
Externí odkaz:
http://arxiv.org/abs/cond-mat/0101105
Publikováno v:
PRB 60, 5224 (1999)
We present spectral and optical properties of the Hubbard model on a two-dimensional square lattice using a generalization of dynamical mean-field theory to magnetic states in finite dimension. The self-energy includes the effect of spin fluctuations
Externí odkaz:
http://arxiv.org/abs/cond-mat/9911355
Publikováno v:
Phys. Rev. B 60, 8034 (1999)
We consider core electron photoemission in a localized system, where there is a charge transfer excitation. The system is modelled by three electron levels, one core level and two outer levels. The model has a Coulomb interaction between these levels
Externí odkaz:
http://arxiv.org/abs/cond-mat/9904339
Publikováno v:
Phys. Rev. Lett. 80, 2393 (1998)
We have generalized the dynamical mean-field theory to study the doping dependence of the crossover from antiferromagnetic to short-range order modelled by an incommensurate spin density wave in the Hubbard model. The local selfenergy which includes
Externí odkaz:
http://arxiv.org/abs/cond-mat/9801325
Publikováno v:
Journal of the North American Benthological Society, 1997 Mar 01. 16(1), 43-46.
Externí odkaz:
https://www.jstor.org/stable/1468230
Autor:
Hedin, L., Tashiro, M., Linusson, P., Eland, J.H.D., Ehara, M., Ueda, K., Zhaunerchyk, V., Karlsson, L., Feifel, R.
Publikováno v:
In Chemical Physics 17 August 2014 439:111-116