What are time crystals?

  • They are hypothetical structures that have movement without expending energy.
  • First proposed by Nobel Prize-winning theoretical physicist Frank Wilczek in 2012, time crystals are structures that appear to have movement even at their lowest energy state, known as a ground state.
  • This ability violates a fundamental symmetry in physics called time-translation symmetry, but physicists have now demonstrated that it might actually be possible for time crystals to physically exist.
  • Earlier this year, two separate teams of physicists described ways of actually creating such structures.
  • Because they passed a preliminary peer review earlier this week, the scientific community is excited about it.
  • Being able to create them would mean a leap forward in creating quantum computers, said to be the next evolutionary step in data storage.
  • The newly created matter joins a host of other exotic states of matter, such as superconductors, quantum-spin liquids and superfluids.

Source: The Hindu

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