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Boundary Time Crystals.

This work introduces boundary time crystals and analyzes in detail a solvable model where an accurate scaling analysis can be performed.
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Floquet time crystal in the Lipkin-Meshkov-Glick model

In this work we discuss the existence of time-translation symmetry breaking in a kicked infinite-range-interacting clean spin system described by the Lipkin-Meshkov-Glick model. This Floquet time…
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Nonadiabatic Breaking of Topological Pumping.

The findings show that Thouless pumping out of the adiabatic limit is not generically robust to nonadiabatic effects and the Floquet diagonal ensemble value of the pumped charge shows a deviation from the topologically quantized limit.
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Thermalization in a periodically driven fully connected quantum Ising ferromagnet

By means of a Floquet analysis, we study the quantum dynamics of a fully connected Lipkin-Ising ferromagnet in a periodically driven transverse field showing that thermalization in the steady state…
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Floquet theory of Cooper pair pumping

In this work we derive a general formula for the charge pumped in a superconducting nanocircuit. Our expression generalizes previous results in several ways, it is applicable both in the adiabatic…
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Multipartite entanglement after a quantum quench

We study the multipartite entanglement of a quantum many-body system undergoing a quantum quench. We quantify the multipartite entanglement through the quantum Fisher information (QFI) density, and…
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Slow heating in a quantum coupled kicked rotors system

We consider a finite-size periodically driven quantum system of coupled kicked rotors which exhibits two distinct regimes in parameter space: a dynamically-localized one with kinetic-energy…
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Scrambling and entanglement spreading in long-range spin chains

We study scrambling in connection to multipartite entanglement dynamics in regular and chaotic long-range spin chains, characterized by a well defined semi-classical limit. For regular dynamics,…
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Periodic steady regime and interference in a periodically driven quantum system.

The case of a quantum Ising chain periodically driven across the critical point is discussed, finding that, as a result of quantum coherence, the system never reaches an infinite temperature state.
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Floquet time crystals in clock models

We construct a class of period-$n$-tupling discrete time crystals based on $\mathbb{Z}_n$ clock variables, for all the integers $n$. We consider two classes of systems where this phenomenology…
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