Superradiance or Super-Radiance

• https://en.wikipedia.org/wiki/Superradiance

Spin Superradiance versus Atomic Superradiance

• https://ia801008.us.archive.org/28/items/arxiv-cond-mat0506322/cond-mat0506322.pdf

ORIGIN OF PURE SPIN SUPERRADIANCE

• https://ia801008.us.archive.org/5/items/arxiv-cond-mat9711237/cond-mat9711237.pdf

The Role of a Resonant Cavity

• https://arxiv.org/pdf/quant-ph/0506237.pdf

Quantum Spin Tunneling

• https://en.wikipedia.org/wiki/Quantum_spin_tunneling

Superradiant Operation of Spin Masers

• https://ia800407.us.archive.org/20/items/arxiv-cond-mat0210698/cond-mat0210698.pdf

Coherent radiation by magnets with exchange interactions

• https://arxiv.org/pdf/1507.04560.pdf

NOTE: The above research paper refers to when using an electric coil inside the resonant cavity to produce a strong enough toggling polarity magnetic field but it should be possible to use a magnetic target material that can toggle at GHz frequencies and then use a strong microwave beam through a waveguide and small horn antenna next to the target material and eliminate the electric coil inside the resonate cavity.

Patents for Spin Superradiance devices:

• EP1515404A2: Method for generating a coherent electromagnetic radiation of a frequency comprised between 1 GHz and 10THz and device for implementation thereof


• US2004100997A1: Systems and methods for producing superradiance using molecular magnets

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