Many lodging companies now find themselves in a challenging position. They are finding it more difficult to attract capital as the industry's growth begins to stabilize due to the inherent cycles and the onset of supply growth. Companies seeking growth and access to public financing must confront questions regarding the best structure as the marketplace changes. Many hotel companies are hybrid ...

Nuclear magnetic resonance (NMR) spectra of complex chemical mixtures often contain unresolved or hidden spectral components, especially when strong background signals overlap weaker peaks. In this article we demonstrate a quantum filter utilizing nuclear spin singlet states, which allows undesired NMR spectral background to be removed and target spectral peaks to be uncovered. The quantum filt...

The magnetisation and electron spin resonance (ESR) spectrum of two specimens of tetrahedral amorphous carbon (ta-C), deposited from a filtered cathodic arc, were measured over a wide temperature range. The magnetisation was found to consist of superparamagnetic, paramagnetic and diamagnetic contributions. The superparamagnetic contribution resembled that recently found in carbon prepared from ...

Spin networks are at the core of quantum gravity [1]. We have neither the space nor the competence to give an exhaustive list of the physical and philosophical interpretations of this notion (for these, see for example [2] and [3]). New (and old) approaches towards creating a finite quantum theory of general relativity would use combinatorial expressions in Feynman integrals, spin networks, spi...

Back in the 1960s, it was established that bureaucracy and innovation tend to oppose each other. However not many “innovative” organisations have managed to banish bureaucracy altogether. Topicus, a young software house in the Netherlands, has done this. It has developed an organisational strategy that creates a “spin-off” whenever the organisation becomes too large and is in danger of losing i...

In complex materials, how correlation between charge, spin, and lattice affects the emergent phenomena remains unclear. The newly discovered iron-based high-temperature superconductors and related compounds present to the community a prototype family of materials, where interplay between charge, spin, and lattice degrees of freedom can be explored. With the occurrence of structural, magnetic, a...

Electrical manipulation of magnetism presents a promising way towards using the spin degree of freedom in very fast, low-power electronic devices. Though there has been tremendous progress in electrical control of magnetic properties using ferromagnetic (FM) nanostructures, an opportunity of manipulating antiferromagnetic (AFM) states should offer another route for creating a broad range of new...

The phenomenon of electron tunneling has been known since the advent of quantum mechanics, but continues to enrich our understanding of many fields of physics, as well as creating sub-fields on its own. Spin-dependent tunneling in magnetic tunnel junctions (MTJs) has recently aroused enormous interest and has developed in a vigorous field of research. The large tunneling magnetoresistance (TMR)...

Atomic projection noise limits the ultimate precision of all atomic sensors, including clocks, inertial sensors, magnetometers, etc. The independent quantum collapse of N atoms into a definite state (for example spin up or down) leads to an uncertainty ✓SQL = 1/ p N in the estimate of the quantum phase accumulated during a Ramsey sequence or its many generalizations. This phase uncertainty is r...