What are the different ways to create negative effective mass

In summary, the conversation discusses the potential use of negative effective mass as a replacement in a warp drive and the most realistic warp drive theory. The person being addressed is encouraged to first understand the concept of negative effective mass before making speculative guesses. The conversation also touches on the possibility of using dark energy in a warp drive and the OP's obsession with negative effective mass. The thread is ultimately closed due to the OP's speculation.
  • #1
billllib
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Also can negative effective mass be used as a replacement in a warp drive? Also what is the most realistic warp drive theory?
 
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  • #2
Do you even know what "negative effective mass" is in band theory of solids? Your question appears to show a huge misconception of what it is.

Zz.
 
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  • #3
I don't.
 
  • #4
billllib said:
I don't.

Then shouldn't you figure out what it is FIRST before trying to make speculative guesses on whether it may "... be used as a replacement in a warp drive ..."? It is nothing like what you think it is.

Zz.
 
  • #5
Sorry just one more question can dark energy be used in a warpdrive? I realize this might be a nonsensical question because we don't know what dark energy is exactly. Is dark energy negative mass? What is negative effective mass?
 
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  • #6
billllib said:
Sorry just one more question can dark energy be used in a warpdrive? I realize this might be a nonsensical question because we don't know what dark energy is exactly. Is dark energy negative mass? What is negative effective mass?

Before we go any further, you need to re-read the PF Rules that you had agreed to, especially regarding speculative posts, and then you need to read this:

https://www.physicsforums.com/threads/physicists-create-negative-mass.911744/#post-5803242

Your obsession with negative effective mass and warp drive and such is not healthy, especially when you admittedly don't know what it is.

Zz.
 
  • #7
Since this thread is about the OP's speculation, it is now closed.
 

Related to What are the different ways to create negative effective mass

1. What is negative effective mass?

Negative effective mass is a concept in physics where the effective mass of a particle is negative, meaning it has an opposite direction of motion compared to its momentum. This is in contrast to the traditional understanding of mass as a positive quantity that determines an object's resistance to acceleration.

2. How can negative effective mass be created?

There are several ways to create negative effective mass, including through the use of metamaterials, quantum mechanics, and gravitational interactions. Some of these methods involve manipulating the properties of materials, while others rely on the principles of quantum mechanics to produce negative effective mass particles.

3. What are metamaterials and how do they create negative effective mass?

Metamaterials are artificially engineered materials that exhibit properties not found in nature. By carefully designing the structure and composition of these materials, it is possible to create a medium with negative effective mass. This is achieved by manipulating the material's response to external forces, resulting in a negative effective mass for certain particles.

4. Can negative effective mass particles exist in nature?

While negative effective mass particles have been observed in laboratory settings, their existence in nature is still a topic of debate. Some theories suggest that they may exist in certain extreme conditions, such as in the vicinity of black holes or in the early universe. However, further research and observations are needed to confirm their existence in nature.

5. What are the potential applications of negative effective mass?

The concept of negative effective mass has potential applications in various fields, including materials science, optics, and quantum computing. For example, materials with negative effective mass could be used to create new types of lenses and sensors, while negative effective mass particles could be harnessed for quantum information processing. However, more research is needed to fully understand and utilize the properties of negative effective mass.

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