User profiles for C. Kiefer

Christiane Kiefer

- Verified email at cos.uni-heidelberg.de - Cited by 2314

Christoph Kiefer

- Verified email at alumni.uzh.ch - Cited by 1675

Why quantum gravity?

C Kiefer - Approaches to Fundamental Physics: An Assessment …, 2007 - Springer
… As has already been shown by Max Planck in 1899, the fundamental constants speed of light
(c)… C. Kiefer and C. Weber, On the interaction of mesoscopic quantum systems with gravity. …

Quantum gravity: general introduction and recent developments

C Kiefer - Annalen der Physik, 2006 - Wiley Online Library
I briefly review the current status of quantum gravity. After giving some general motivations
for the need of such a theory, I discuss the main approaches in quantizing general relativity: …

Oxidation and erythrocyte senescence

CR Kiefer, LM Snyder - Current opinion in hematology, 2000 - journals.lww.com
Direct macrophage recognition of an externalized phosphatidylserine signal on senescent
erythrocytes is a process of erythrophagocytic clearance that is in line with the general …

Mental imagery cultivation as a cultural phenomenon: The role of visions in shamanism [and comments and reply]

…, Å Hultkrantz, S Krippner, CW Kiefer… - Current …, 1985 - journals.uchicago.edu
… Bourguignon's compliments are also much appreciated, as are those of Krippner, Preston,
and Kiefer. George is correct in assuming that the hypothesized relationship between mental …

[HTML][HTML] Conceptual problems in quantum gravity and quantum cosmology

C Kiefer - International Scholarly Research Notices, 2013 - hindawi.com
… entangling the interior and exterior of the black hole, see Kiefer [28, 29] and the references
therein. … For more details, I refer to Kiefer [6]. In most expressions, units are chosen with 𝑐=1. …

Emergence of classicality for primordial fluctuations: Concepts and analogies

C Kiefer, D Polarski - Annalen der Physik, 1998 - Wiley Online Library
We clarify the way in which cosmological perturbations of quantum origin, produced during
inflation, assume classical properties. Two features play an important role in this process: First…

Measurement analysis and quantum gravity

M Albers, C Kiefer, M Reginatto - Physical Review D, 2008 - APS
… since we work in the nonrelativistic approximation v=c ( 1, we only have to consider x2štŽ …
c (because only then do we get a noticeable contribution from a packet peaked around t Ą x1=c

[BOOK][B] Decoherence and the appearance of a classical world in quantum theory

E Joos, HD Zeh, C Kiefer, DJW Giulini, J Kupsch… - 2013 - books.google.com
… The first three authors (Joos, Zeh, Kiefer) agree with one another that decoherence (in
contradistinction to the Copen hagen interpretation) allows one to eliminate primary classical …

[HTML][HTML] Identification and characterization of a mammalian enzyme catalyzing the asymmetric oxidative cleavage of provitamin A

C Kiefer, S Hessel, JM Lampert, K Vogt… - Journal of Biological …, 2001 - ASBMB
In vertebrates, symmetricversus asymmetric cleavage of β-carotene in the biosynthesis of
vitamin A and its derivatives has been controversially discussed. Recently we have been able …

SPARQL basic graph pattern optimization using selectivity estimation

M Stocker, A Seaborne, A Bernstein, C Kiefer… - Proceedings of the 17th …, 2008 - dl.acm.org
… For instance, a property p1 with domain C and a property p2 with domain C are related
because they both define the same class C as domain. We take into account not only matching …