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Information transmission without energy exchange.

Robert H Jonsson1, Eduardo Martín-Martínez1,2,3, Achim Kempf1,2,3

  • 1Department of Applied Mathematics, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.

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This summary is machine-generated.

Researchers demonstrate novel communication using a massless field, enabling signals to travel slower than light without energy transfer. The receiver requires work to operate their detector, linked to Casimir-like interactions.

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Area of Science:

  • Quantum physics
  • Information theory

Background:

  • Conventional communication relies on energy transfer and approaches the speed of light.
  • Exploring alternative communication paradigms is crucial for fundamental physics.

Purpose of the Study:

  • To investigate communication methods using massless fields in a vacuum.
  • To explore communication signals traveling slower than the speed of light.
  • To analyze the energy transfer dynamics in such communication.

Main Methods:

  • Utilizing a massless field in a vacuum.
  • Analyzing signal propagation and energy transmission.
  • Investigating the role of Huygens' principle in communication.

Main Results:

  • Demonstrated communication with signals arbitrarily slower than the speed of light.
  • Showed that no energy is transmitted from sender to receiver.
  • Identified receiver-dependent work for detector activation.

Conclusions:

  • Novel communication is possible using massless fields, independent of traditional energy transfer.
  • This method is linked to Casimir-like interactions and Huygens' principle.
  • The findings open new avenues for understanding information transfer in physical systems.