Outputs (20)

Disorder enhanced quantum many-body scars in Hilbert hypercubes (2021)
Journal Article
van Voorden, B., Marcuzzi, M., Schoutens, K., & Minář, J. (2021). Disorder enhanced quantum many-body scars in Hilbert hypercubes. Physical Review B, 103(22), Article L220301. https://doi.org/10.1103/physrevb.103.l220301

We consider a model arising in facilitated Rydberg chains with positional disorder which features a Hilbert space with the topology of a d-dimensional hypercube. This allows for a straightforward interpretation of the many-body dynamics in terms of a... Read More about Disorder enhanced quantum many-body scars in Hilbert hypercubes.

Signatures of Associative Memory Behavior in a Multimode Dicke Model (2020)
Journal Article
Fiorelli, E., Marcuzzi, M., Rotondo, P., Carollo, F., & Lesanovsky, I. (2020). Signatures of Associative Memory Behavior in a Multimode Dicke Model. Physical Review Letters, 125(7), https://doi.org/10.1103/physrevlett.125.070604

© 2020 American Physical Society. Dicke-like models can describe a variety of physical systems, such as atoms in a cavity or vibrating ion chains. In equilibrium these systems often feature a radical change in their behavior when switching from weak... Read More about Signatures of Associative Memory Behavior in a Multimode Dicke Model.

Dynamics of strongly coupled disordered dissipative spin-boson systems (2020)
Journal Article
Fiorelli, E., Rotondo, P., Carollo, F., Marcuzzi, M., & Lesanovsky, I. (2020). Dynamics of strongly coupled disordered dissipative spin-boson systems. Physical Review Research, 2(1), https://doi.org/10.1103/physrevresearch.2.013198

Spin-boson Hamiltonians are an effective description for numerous quantum few-and many-body systems such as atoms coupled to cavity modes, quantum electrodynamics in circuits and trapped ion systems. While reaching the limit of strong coupling is pos... Read More about Dynamics of strongly coupled disordered dissipative spin-boson systems.

Localization in spin chains with facilitation constraints and disordered interactions (2019)
Journal Article
Ostmann, M., Marcuzzi, M., Garrahan, J. P., & Lesanovsky, I. (2019). Localization in spin chains with facilitation constraints and disordered interactions. Physical Review A, 99(6), 1-7. https://doi.org/10.1103/PhysRevA.99.060101

Quantum many-body systems with kinetic constraints exhibit intriguing relaxation dynamics. Recent experimental progress in the field of cold atomic gases offers a handle for probing collective behavior of such systems, in particular for understanding... Read More about Localization in spin chains with facilitation constraints and disordered interactions.

Synthetic lattices, flat bands and localization in Rydberg quantum simulators (2019)
Journal Article
Ostmann, M., Marcuzzi, M., Minář, J., & Lesanovsky, I. (2019). Synthetic lattices, flat bands and localization in Rydberg quantum simulators. Quantum Science and Technology, 4(2), 1-8. https://doi.org/10.1088/2058-9565/aaf29d

© 2019 IOP Publishing Ltd. The most recent manifestation of cold Rydberg atom quantum simulators that employs tailored optical tweezer arrays enables the study of many-body dynamics under so-called facilitation conditions. We show how the facilitatio... Read More about Synthetic lattices, flat bands and localization in Rydberg quantum simulators.

Singularities in large deviations of work in quantum quenches (2018)
Journal Article
Rotondo, P., Minář, J., Garrahan, J. P., Lesanovsky, I., & Marcuzzi, M. (2018). Singularities in large deviations of work in quantum quenches. Physical Review B, 98(18), Article 184303. https://doi.org/10.1103/physrevb.98.184303

We investigate large deviations of the work performed in a quantum quench across two different phases separated by a quantum critical point, using as an example the Dicke model quenched from its superradiant to its normal phase. We extract the distri... Read More about Singularities in large deviations of work in quantum quenches.

A terahertz-driven non-equilibrium phase transition in a room temperature atomic vapour (2018)
Journal Article
Wade, C., Marcuzzi, M., Levi, E., Kondo, J., Lesanovsky, I., Adams, C., & Weatherill, K. (2018). A terahertz-driven non-equilibrium phase transition in a room temperature atomic vapour. Nature Communications, 9, 1-7. https://doi.org/10.1038/s41467-018-05597-4

There are few demonstrated examples of phase transitions that may be driven directly by terahertz frequency electric fields, and those that are known require field strengths exceeding 1 MV cm?1. Here we report a non-equilibrium phase transition drive... Read More about A terahertz-driven non-equilibrium phase transition in a room temperature atomic vapour.

Open quantum generalisation of Hopfield neural networks (2018)
Journal Article
Rotondo, P., Marcuzzi, M., Garrahan, J. P., Lesanovsky, I., & Müller, M. (2018). Open quantum generalisation of Hopfield neural networks. Journal of Physics A: Mathematical and Theoretical, 51(11), Article 115301. https://doi.org/10.1088/1751-8121/aaabcb

We propose a new framework to understand how quantum effects may impact on the dynamics of neural networks. We implement the dynamics of neural networks in terms of Markovian open quantum systems, which allows us to treat thermal and quantum coherent... Read More about Open quantum generalisation of Hopfield neural networks.

Non-adiabatic quantum state preparation and quantum state transport in chains of Rydberg atoms (2017)
Journal Article
Ostmann, M., Minář, J., Marcuzzi, M., Levi, E., & Lesanovsky, I. (2017). Non-adiabatic quantum state preparation and quantum state transport in chains of Rydberg atoms. New Journal of Physics, 19(12), https://doi.org/10.1088/1367-2630/aa983e

Motivated by recent progress in the experimental manipulation of cold atoms in optical lattices, we study three different protocols for non-adiabatic quantum state preparation and state transport in chains of Rydberg atoms. The protocols we discuss a... Read More about Non-adiabatic quantum state preparation and quantum state transport in chains of Rydberg atoms.

Experimental signatures of an absorbing-state phase transition in an open driven many-body quantum system (2017)
Journal Article
Gutiérrez, R., Simonelli, C., Archimi, M., Castellucci, F., Arimondo, E., Ciampini, D., …Morsch, O. (2017). Experimental signatures of an absorbing-state phase transition in an open driven many-body quantum system. Physical Review A, 96(4), Article 041602(R). https://doi.org/10.1103/PhysRevA.96.041602

Understanding and probing phase transitions in non-equilibrium systems is an ongoing challenge in physics. A particular instance are phase transitions that occur between a non-fluctuating absorbing phase, e.g., an extinct population, and one in which... Read More about Experimental signatures of an absorbing-state phase transition in an open driven many-body quantum system.