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Cavity-induced quantum spin liquids.

Alessio Chiocchetta1, Dominik Kiese2, Carl Philipp Zelle2

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|October 9, 2021
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Summary
This summary is machine-generated.

Researchers engineered frustration in quantum magnets using optical cavities to stabilize exotic quantum spin liquid states. This cavity-induced frustration creates tunable interactions, favoring spin liquids even in systems not naturally prone to them.

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Area of Science:

  • Condensed Matter Physics
  • Quantum Information Science
  • Quantum Optics

Background:

  • Quantum spin liquids are highly entangled states of matter.
  • Magnetic frustration is crucial for stabilizing spin liquids over ordered states.

Purpose of the Study:

  • To propose a novel method for engineering frustration in quantum magnets.
  • To stabilize quantum spin liquid states using cavity quantum electrodynamics.

Main Methods:

  • Coupling quantum magnets to the quantized light of an optical cavity.
  • Utilizing cavity-induced tunable long-range interactions between spins.
  • Investigating the Heisenberg model on a square lattice.

Main Results:

  • Cavity-induced frustration robustly stabilizes spin liquid states.
  • Spin liquids are stabilized over an extensive phase diagram region.
  • This method stabilizes spin liquids even in unfrustrated systems like the Heisenberg model.

Conclusions:

  • Optical cavities offer a powerful tool to engineer quantum frustration.
  • Cavity-induced interactions provide a robust pathway to realizing quantum spin liquids.
  • This approach opens new avenues for exploring and controlling quantum matter.