What is the Rindler horizon?

The Rindler horizon The Rindler coordinate chart has a coordinate singularity at x = 0, where the metric tensor (expressed in the Rindler coordinates) has vanishing determinant. This happens because as x → 0 the acceleration of the Rindler observers diverges.

Is Unruh radiation real?

The equivalence between Hawking and Unruh radiation is based on Einstein’s equivalence principle, which has now been confirmed by many experiments. Despite Unruh’s predictions, no one has yet observed Unruh radiation, which is not surprising, as this phenomenon is particularly difficult to capture.

What is Rindler spacetime?

In classical general relativity, extended Rindler space is equivalent to flat Minkowski space; it consists of the union of the four wedges in (u,v) light-cone coordinates as in Fig. …

Can we hide gravitational sources behind Rindler horizons?

It is proposed here that Rindler horizons have physical con- sequences beyond their effects on light: they are able to hide gravitational sources. The effect could be tested using discs with extreme spins, which should break free from distant gravitational sources.

What is the difference between Rindler horizon and coordinates?

The coordinates are valid in the region ) of the Rindler observer whose proper time is defined to be equal to Rindler coordinate time. To maintain this world line, the observer must accelerate with a constant proper acceleration, with Rindler observers closer to (the Rindler horizon) having greater proper acceleration.

What are the characteristics of Rindler observers?

) of the Rindler observer whose proper time is defined to be equal to Rindler coordinate time. To maintain this world line, the observer must accelerate with a constant proper acceleration, with Rindler observers closer to (the Rindler horizon) having greater proper acceleration. All the Rindler observers are instantaneously at rest at time

What color is the Rindler horizon on a Minkowski chart?

A representative Minkowski observer (navy blue hyperbolic secant curve) depicted using the Rindler chart. The Rindler horizon is shown in red. It is worthwhile to also introduce an alternative frame, given in the Minkowski chart by the natural choice

What are the red lines at 45 degrees from the vertical?

The red lines at 45 degrees from the vertical represent the Rindler horizon; the Rindler coordinate system is only defined to the right of this boundary. As with any timelike congruence in any Lorentzian manifold, this congruence has a kinematic decomposition (see Raychaudhuri equation ).