منابع مشابه
Bohmian Mechanics at Space-time Singularities. I. Timelike Singularities
We develop an extension of Bohmian mechanics by defining Bohm-like tra-jectories for (one or more) quantum particles in a curved background space-time containing a singularity. Part one, the present paper, focuses on timelike singu-larities, part two will be devoted to spacelike singularities. We use the timelike singularity of the (super-critical) Reissner–Nordström geometry as an example. Whi...
متن کاملBohmian Mechanics at Space-time Singularities. Ii. Spacelike Singularities
We develop an extension of Bohmian mechanics by defining Bohm-like tra-jectories for quantum particles in a curved background space-time containing a spacelike singularity. As an example of such a metric we use the Schwarzschild metric, which contains two spacelike singularities, one in the past and one in the future. Since the particle world lines are everywhere timelike or lightlike, particle...
متن کاملSpace - Time Singularities and the Kähler Cone
We review recent results on the interplay between the five-dimensional spacetime and the internal manifold in Calabi-Yau compactifications of M-theory. Black string, black hole and domain wall solutions as well as Kasner type cosmologies cannot develop a naked singularity as long as the moduli take values inside the Kähler cone. String and M-theory provide mechanisms and effects which improve o...
متن کاملAdversus singularitates: The ontology of space-time singularities
I argue that there are no physical singularities in space-time. Singular space-time models do not belong to the ontology of the world, because of a simple reason: they are concepts, defective solutions of Einstein’s field equations. I discuss the actual implication of the so-called singularity theorems. In remarking the confusion and fog that emerge from the reification of singularities I hope ...
متن کاملPhase singularities in scale-space
This paper concerns the use of phase information from band-pass signals for the measurement of binocular disparity, optic ow, and image orientation. Towards this end, one of the important properties of band-pass phase information is its stability with respect to small geometric deformations and contrast changes. However, in particular regions phase can also be very unstable due to the occurrenc...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Communications in Mathematical Physics
سال: 1976
ISSN: 0010-3616,1432-0916
DOI: 10.1007/bf01608632