Equivalence Principle: Paper on Internal Observer Effects

In summary, the conversation discusses the effects of accelerative gee-forces on an internal observer and how they compare to the effects of an external gravitational field. The article suggests that while the effects are magnified in both cases, the gravitational field on the internal observer is effectively dampened on Earth's surface. However, there may be some discrepancies in the mathematical calculations presented in section 3.
  • #1
ith
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Hi! How this paper relates to the equivalence principle?

http://arxiv.org/pdf/gr-qc/0701084.pdf

"in contrast to the situation with static gravitational forces, the effects of accelerative gee-forces on the internal observer are increased"
 
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  • #2
The affects on the internal observer are the same regardless of whether the stasis chamber is being accelerated or subjected to an external gravitational field.

Assuming the article is accurate (and on cursory review, it is), in both cases the internal observer would experience a magnified G-force.
 
  • #3
The paper says, that on Earth's surface "gravitational field on an inside observer is effectively dampened". Thus my question.
 
  • #4
I didn't read through section 3 before.
There must be something wrong with Janca's math in that section.
I would say section 3.1 is more accurate than 3.2. Obviously, they should both be the same.
 
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The Equivalence Principle, first proposed by Albert Einstein, states that the effects of gravity are indistinguishable from the effects of acceleration. This means that an observer in a uniform gravitational field would experience the same physical effects as an observer in a uniformly accelerating reference frame.

The paper on Internal Observer Effects discusses the impact of acceleration on an internal observer, specifically in the context of the Equivalence Principle. It highlights the fact that while the Equivalence Principle holds for static gravitational forces, it does not hold for accelerative gee-forces. In other words, the effects of acceleration on an internal observer are actually greater than the effects of gravity.

This paper is important because it challenges our understanding of the Equivalence Principle and highlights the need for a more comprehensive understanding of the effects of acceleration on observers. It also has implications for our understanding of the relationship between gravity and acceleration, and how these forces may affect different types of observers. As a scientist, it is crucial to consider all factors and potential limitations in our theories and understanding of the physical world, and this paper adds valuable insight to the study of the Equivalence Principle.
 

Related to Equivalence Principle: Paper on Internal Observer Effects

1. What is the Equivalence Principle?

The Equivalence Principle is a fundamental principle in physics that states that the effects of gravity are indistinguishable from the effects of acceleration. In other words, a person in a stationary elevator on Earth would experience the same force as a person in a rocket accelerating in outer space.

2. What is the Internal Observer Effect?

The Internal Observer Effect is a concept within the Equivalence Principle that states that the gravitational effects experienced by an observer are dependent on their internal physical properties, such as mass and composition. This means that two observers with different physical properties may experience different gravitational effects in the same situation.

3. How does the Internal Observer Effect relate to the Equivalence Principle?

The Internal Observer Effect is a key component of the Equivalence Principle because it helps to explain the equivalence between gravity and acceleration. It shows that the gravitational force experienced by an individual is dependent on their internal properties, just as the force experienced during acceleration is dependent on the mass of the object.

4. What are some examples of the Internal Observer Effect in action?

One example of the Internal Observer Effect is seen in the famous thought experiment known as the "Elevator Experiment." In this experiment, a person standing in a stationary elevator on Earth would feel a downward force due to gravity, while a person in a rocket accelerating upwards in outer space would feel a similar force due to their own acceleration. This demonstrates the equivalence between gravity and acceleration, as well as the influence of internal properties on gravitational effects.

Another example is the experience of weightlessness felt by astronauts in orbit. Despite being in a state of constant freefall towards the Earth, they do not feel the effects of gravity due to their relative motion and lack of contact with the Earth's surface. This is due to their internal properties and the resulting gravitational force experienced by their bodies.

5. How does the Internal Observer Effect impact our understanding of gravity and the universe?

The Internal Observer Effect highlights the complexity and intricacy of gravity and its effects on the universe. It shows that the gravitational force experienced by an individual is not solely dependent on their location in space, but also on their internal properties. This adds a new layer of understanding to our understanding of gravity and how it shapes the universe. Furthermore, it has implications for theories such as general relativity and our understanding of the fabric of space-time.

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