Tachyons and Time-Travel

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Tachyons and Time-Travel

• Caleb Carlin
• cmcarlin_at_mtu.edu

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Initial Concept

• There was a young lady named Bright,
• Whose speed was far faster than light.
• She went out one day,
• In a relative way,
• And returned the previous night!
• -Reginald Buller

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SciFi Speeds

• Back to the Future 88mph

• Star Trek Warp 9.8

• Einstein Impossible

• General Relativity gtc

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Time Travel in General Relativity

• Light is the ultimate standard
• Past and future are measured by transmission of
  Light
• Catching up to light lets you see the past

http//en.wikipedia.org/wiki/Light_cone
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Wormholes

• Predicted as shortcuts in space-time
• Traveling 1 mile in personal reference while
  traveling a million miles in space-time
• Requires cosmic strings or exotic matter
• Cant be maintained

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Tachyons

• Any particle that travels faster than Light
• Properties due to solving Relativity Equation
• Imaginary Mass
• Inverse relation between speed and energy
• Has not been detected so far.

http//en.wikipedia.org/wiki/Tachyon
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Detecting Tachyons

• Cherenkov radiation
• Nuclear Reactors
• Photonic Boom
• Missing mass if neutral
• Similar detection method to Gravitons

http//en.wikipedia.org/wiki/ImageCherenkov.svg
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Possible Uses

• Faster than Light Communication
• Klein Gordon Equation (tachyons as waves)
• (?m2)f0
• Two possible solutions pgtE or pltE
• 1Tachyons are localized but sub-luminal
• 2Tachyons are not localized but faster than light

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Possible Uses (cont.)

• Infinite Energy Source
• Energy released as accelerates
• Tachyons created in nuclear reaction
• Communicating with the past
• Feinberg Reinterpretation Principle
• Tachyon Specific time travel not possible

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Conclusion

• Time travel makes for great Sci Fi
• Model of reality say its possible
• Probably just mathematical anomalies

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• Questions?