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Logarithmic Quantum Time Crystal by Xue, Haipeng; Kong, Lingchii; Wu, Biao is a scholarly article available to read on EtoBox.

What is Logarithmic Quantum Time Crystal about?

We investigate a time-independent many-boson system, whose ground states are quasi-degenerate and become infinitely degenerate in the thermodynamic limit. Out of these quasi-degenerate ground states we construct a quantum state that evolves in time with a period that is logarithmically proportional to the number of particles, that is, T~logN. This boson system in such a state is a quantum time crystal as it approaches the ground state in the thermodynamic limit. The logarithmic dependence of its period on the total particle number N makes it observable experimentally even for systems with very large number of particles. Possible experimental proposals are discussed.

Author

Xue, Haipeng; Kong, Lingchii; Wu, Biao

Published

2022

Language

EN