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- Rainer Sandau, Bernhard BRAUNECKER, +7 authors Stefan WICKI
- 2010

Digital imagery from satellites or multispectral and hyperspectral scanners is well accepted. Tremendous challenges are inherent in the development of a digital sensor to acquire imagery suitable for… (More)

Over the past 60 years, a considerable number of theories and experiments have claimed the existence of negative absolute temperature in spin systems and ultracold quantum gases. This has led to… (More)

- Stefan Hilbert, Simon D. M. White, Jan Hartlap, Peter Schneider
- 2007

We investigate strong gravitational lensing in the concordance ΛCDM cosmology by carrying out ray-tracing along past light cones through the Millennium Simulation, the largest simulation of cosmic… (More)

21-cm emission from neutral hydrogen during and before the epoch of cosmic reionisation is gravitationally lensed by material at all lower redshifts. Low-frequency radio observations of this emission… (More)

- Stefan Hilbert, Peter Hänggi, Jörn Dunkel
- Physical review. E, Statistical, nonlinear, and…
- 2014

The recent experimental realization of exotic matter states in isolated quantum systems and the ensuing controversy about the existence of negative absolute temperatures demand a careful analysis of… (More)

The unification of relativity and thermodynamics has been a subject of considerable debate over the past 100 years. The reasons for this are twofold. First, thermodynamic variables are non-local… (More)

- Stefan Hilbert, Jörn Dunkel
- Physical review. E, Statistical, nonlinear, and…
- 2006

We calculate exactly both the microcanonical and canonical thermodynamic functions (TDFs) for a one-dimensional model system with piecewise constant Lennard-Jones type pair interactions. In the case… (More)

- S. H. Suyu, Philip J. Marshall, +5 authors Tommaso Treu
- 2009

Strong gravitational lens systems with measured time delays between the multiple images provide a method for measuring the “time-delay distance” to the lens, and thus the Hubble constant. We present… (More)

- Peter Hänggi, Stefan Hilbert, Jörn Dunkel
- Philosophical transactions. Series A…
- 2016

Depending on the exact experimental conditions, the thermodynamic properties of physical systems can be related to one or more thermostatistical ensembles. Here, we survey the notion of thermodynamic… (More)

- Cristian E. Rusu, Christopher D. Fassnacht, +8 authors L. V. E. Koopmans
- 2016

Based on spectroscopy and multiband wide-field observations of the gravitationally lensed quasar HE 0435−1223, we determine the probability distribution function of the external convergence κext for… (More)