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Quantum systems exhibit competition and cooperation between entrainment and mutual synchronization mechanisms. These effects depend on the quantum thermal machine

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Area of Science:

  • Quantum physics
  • Thermodynamics
  • Oscillator systems

Background:

  • Synchronization in classical systems arises from entrainment or mutual coupling.
  • The interplay of these synchronization mechanisms is not well-understood in quantum systems.
  • Quantum systems exhibit unique phenomena like phase pulling and repulsion.

Purpose of the Study:

  • To investigate the interplay between entrainment and mutual synchronization in quantum systems.
  • To explore how degeneracy and multilevel scaling affect quantum synchronization.
  • To analyze the cooperative and competitive dynamics of synchronization in quantum thermal machines.

Main Methods:

  • Studying collectively driven degenerate quantum thermal machines.
  • Analyzing the effects of phase pulling and phase repulsion.
  • Examining the impact of varying degeneracy levels.

Main Results:

  • Synchronization mechanisms cooperate or compete based on the machine's working mode (refrigerator or engine).
  • The interplay between entrainment and mutual synchronization persists with increasing degeneracy.
  • Mutual synchronization dominates in the thermodynamic limit of degeneracy.

Conclusions:

  • Quantum synchronization dynamics are influenced by degeneracy and multilevel scaling.
  • Different synchronization mechanisms can exhibit cooperative and competitive behaviors in quantum systems.
  • Understanding these dynamics is crucial for designing advanced quantum thermal machines.