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Dissipation-Induced Extended-Localized Transition.

Yaru Liu1,2, Zeqing Wang2, Chao Yang3,4,5

  • 1Shenzhen Key Laboratory of Ultraintense Laser and Advanced Material Technology, Center for Intense Laser Application Technology, and College of Engineering Physics, Shenzhen Technology University, Shenzhen 518118, China.

Physical Review Letters
|June 10, 2024
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Summary
This summary is machine-generated.

Dissipation induces transitions between extended and localized states in quasiperiodic systems, regardless of the initial state. This offers a new method for controlling particle dynamics and material properties.

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Area of Science:

  • Condensed matter physics
  • Quantum mechanics
  • Materials science

Background:

  • A mobility edge (ME) defines the transition between extended (metallic) and localized (insulating) states in disordered and quasiperiodic systems.
  • Understanding these transitions is crucial for designing novel electronic and quantum materials.

Purpose of the Study:

  • To investigate the impact of dissipation on quasiperiodic systems with mobility edges.
  • To explore dissipation as a tool for controlling quantum states and particle dynamics.

Main Methods:

  • Calculation of steady-state density matrix.
  • Analysis of quench dynamics upon sudden introduction of dissipation.

Main Results:

  • Dissipation drives systems into predominantly extended or localized states, independent of their initial configuration.
  • Demonstrated control over the nature of quantum states (extended vs. localized) via dissipation.

Conclusions:

  • Dissipation provides a novel pathway to induce transitions between extended and localized states.
  • Dissipation can be effectively utilized to manipulate the dynamic behavior of particles in quantum systems.