Quantum time crystals with programmable disorder in higher dimensions

Understand

We present fresh evidence for the presence of discrete quantum time crystals in two spatial dimensions.

• Discrete time crystals are intricate quantum systems that break discrete time translation symmetry in driven quantum many-body systems undergoing non-equilibrium dynamics.
• They are stabilized by many-body localization arising from disorder.
• We directly target the thermodynamic limit using instances of infinite tensor network states and implement disorder in a translationally invariant setting by introducing auxiliary systems at each site.