All Outputs (147)

Long-Range Multibody Interactions and Three-Body Antiblockade in a Trapped Rydberg Ion Chain (2020)
Journal Article
Gambetta, F. M., Zhang, C., Hennrich, M., Lesanovsky, I., & Li, W. (2020). Long-Range Multibody Interactions and Three-Body Antiblockade in a Trapped Rydberg Ion Chain. Physical Review Letters, 125(13), https://doi.org/10.1103/physrevlett.125.133602

Trapped Rydberg ions represent a flexible platform for quantum simulation and information processing which combines a high degree of control over electronic and vibrational degrees of freedom. The possibility to individually excite ions to high-lying... Read More about Long-Range Multibody Interactions and Three-Body Antiblockade in a Trapped Rydberg Ion Chain.

Nonequilibrium Phase Transitions in (1+1)-Dimensional Quantum Cellular Automata with Controllable Quantum Correlations (2020)
Journal Article
Gillman, E., Carollo, F., & Lesanovsky, I. (2020). Nonequilibrium Phase Transitions in (1+1)-Dimensional Quantum Cellular Automata with Controllable Quantum Correlations. Physical Review Letters, 125(10), Article 100403. https://doi.org/10.1103/physrevlett.125.100403

Motivated by recent progress in the experimental development of quantum simulators based on Rydberg atoms, we introduce and investigate the dynamics of a class of (1+1)-dimensional quantum cellular automata. These non-equilibrium many-body models, wh... Read More about Nonequilibrium Phase Transitions in (1+1)-Dimensional Quantum Cellular Automata with Controllable Quantum Correlations.

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), Article 070604. 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.

Vibrational dressing in kinetically constrained Rydberg spin systems (2020)
Journal Article
Mazza, P. P., Schmidt, R., & Lesanovsky, I. (2020). Vibrational dressing in kinetically constrained Rydberg spin systems. Physical Review Letters, 125(3), Article 033602. https://doi.org/10.1103/PhysRevLett.125.033602

Quantum spin systems with kinetic constraints have become paradigmatic for exploring collective dynamical behavior in many-body systems. Here we discuss a facilitated spin system which is inspired by recent progress in the realization of Rydberg quan... Read More about Vibrational dressing in kinetically constrained Rydberg spin systems.

Reaching the quantum Hall regime with rotating Rydberg-dressed atoms (2020)
Journal Article
Burrello, M., Lesanovsky, I., & Trombettoni, A. (2020). Reaching the quantum Hall regime with rotating Rydberg-dressed atoms. Physical Review Research, 2(2), Article 023290. https://doi.org/10.1103/physrevresearch.2.023290

Despite the striking progress in the field of quantum gases, one of their much anticipated applications—the simulation of quantum Hall states—remains elusive: all experimental approaches so far have failed in reaching a sufficiently small ratio betwe... Read More about Reaching the quantum Hall regime with rotating Rydberg-dressed atoms.

Nonequilibrium Quantum Many-Body Rydberg Atom Engine (2020)
Journal Article
Carollo, F., Gambetta, F. M., Brandner, K., Garrahan, J. P., & Lesanovsky, I. (2020). Nonequilibrium Quantum Many-Body Rydberg Atom Engine. Physical Review Letters, 124(17), Article 170602. https://doi.org/10.1103/physrevlett.124.170602

The standard approach to quantum engines is based on equilibrium systems and on thermo-dynamic transformations between Gibbs states. However, non-equilibrium quantum systems offer enhanced experimental flexibility in the control of their parameters a... Read More about Nonequilibrium Quantum Many-Body Rydberg Atom Engine.

Dissipative quantum state preparation and metastability in two-photon micromasers (2020)
Journal Article
Kouzelis, A., Macieszczak, K., Minář, J., & Lesanovsky, I. (2020). Dissipative quantum state preparation and metastability in two-photon micromasers. Physical Review A, 101(4), Article 043847. https://doi.org/10.1103/physreva.101.043847

We study the preparation of coherent quantum states in a two-photon micromaser for applications in quantum metrology. While this setting can be in principle realized in a host of physical systems, we consider atoms interacting with the field of a cav... Read More about Dissipative quantum state preparation and metastability in two-photon micromasers.

Submicrosecond entangling gate between trapped ions via Rydberg interaction (2020)
Journal Article
Zhang, C., Pokorny, F., Hennrich, M., Li, W., Lesanovsky, I., Higgins, G., & Pöschl, A. (2020). Submicrosecond entangling gate between trapped ions via Rydberg interaction. Nature, 580(7803), 345-349. https://doi.org/10.1038/s41586-020-2152-9

© 2020, The Author(s), under exclusive licence to Springer Nature Limited. Generating quantum entanglement in large systems on timescales much shorter than the coherence time is key to powerful quantum simulation and computation. Trapped ions are amo... Read More about Submicrosecond entangling gate between trapped ions via Rydberg interaction.

Collectively enhanced chiral photon emission from an atomic array near a nanofiber (2020)
Journal Article
Jones, R., Buonaiuto, G., Lang, B., Lesanovsky, I., & Olmos, B. (2020). Collectively enhanced chiral photon emission from an atomic array near a nanofiber. Physical Review Letters, 124(9), Article 093601. https://doi.org/10.1103/physrevlett.124.093601

Emitter ensembles interact collectively with the radiation field. In the case of a one-dimensional array of atoms near a nanofiber, this collective light-matter interaction does not only lead to an increased photon coupling to the guided modes within... Read More about Collectively enhanced chiral photon emission from an atomic array near a nanofiber.

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), Article 013198. 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.

Controlling the dynamical scale factor in a trapped atom Sagnac interferometer (2020)
Journal Article
Zhou, Y., Lesanovsky, I., Fernholz, T., & Li, W. (2020). Controlling the dynamical scale factor in a trapped atom Sagnac interferometer. Physical Review A, 101(1), Article 012517. https://doi.org/10.1103/physreva.101.012517

Sagnac interferometers with massive particles promise unique advantages in achieving high-precision measurements of rotation rates over their optical counterparts. Recent proposals and experiments are exploring nonballistic Sagnac interferometers whe... Read More about Controlling the dynamical scale factor in a trapped atom Sagnac interferometer.

Engineering non-binary Rydberg interactions via electron-phonon coupling (2020)
Journal Article
Gambetta, F. M., Li, W., Schmidt-Kaler, F., & Lesanovsky, I. (2020). Engineering non-binary Rydberg interactions via electron-phonon coupling. Physical Review Letters, 124(4), Article 043402. https://doi.org/10.1103/PhysRevLett.124.043402

Coupling electronic and vibrational degrees of freedom of Rydberg atoms held in optical tweezers arrays offers a flexible mechanism for creating and controlling atom-atom interactions. We find that the state-dependent coupling between Rydberg atoms a... Read More about Engineering non-binary Rydberg interactions via electron-phonon coupling.

Engineering NonBinary Rydberg Interactions via Phonons in an Optical Lattice (2020)
Journal Article
Gambetta, F., Li, W., Schmidt-Kaler, F., & Lesanovsky, I. (2020). Engineering NonBinary Rydberg Interactions via Phonons in an Optical Lattice. Physical Review Letters, 124(4), Article 043402. https://doi.org/10.1103/physrevlett.124.043402

Coupling electronic and vibrational degrees of freedom of Rydberg atoms held in optical tweezer arrays offers a flexible mechanism for creating and controlling atom-atom interactions. We find that the state-dependent coupling between Rydberg atoms an... Read More about Engineering NonBinary Rydberg Interactions via Phonons in an Optical Lattice.

Classical stochastic discrete time crystals (2019)
Journal Article
Gambetta, F. M., Carollo, F., Lazarides, A., Lesanovsky, I., & Garrahan, J. P. (2019). Classical stochastic discrete time crystals. Physical Review E, 100(6), Article 060105(R). https://doi.org/10.1103/PhysRevE.100.060105

© 2019 American Physical Society. We describe a general and simple paradigm for discrete time crystals (DTCs), systems with a stable subharmonic response to an external driving field, in a classical thermal setting. We consider, specifically, an Isin... Read More about Classical stochastic discrete time crystals.

Dynamical creation and detection of entangled many-body states in a chiral atom chain (2019)
Journal Article
Buonaiuto, G., Jones, R., Olmos Sanchez, B., & Lesanovsky, I. (2019). Dynamical creation and detection of entangled many-body states in a chiral atom chain. New Journal of Physics, 21(11), Article 113021. https://doi.org/10.1088/1367-2630/ab4f50

Open quantum systems with chiral interactions can be realized by coupling atoms to guided radiation modes in photonic waveguides or optical fibres. In their steady state these systems can feature intricate many-body phases such as entangled dark stat... Read More about Dynamical creation and detection of entangled many-body states in a chiral atom chain.

Shuttling of Rydberg ions for fast entangling operations (2019)
Journal Article
VOGEL, J., LI, W., MOKHBERI, A., LESANOVSKY, I., & SCHMIDT-KALER, F. (2019). Shuttling of Rydberg ions for fast entangling operations. Physical Review Letters, 123(15), Article 153603. https://doi.org/10.1103/PhysRevLett.123.153603

We introduce a scheme to entangle Rydberg ions in a linear ion crystal, using the high electric polarizability of the Rydberg electronic states in combination with mutual Coulomb coupling of ions that establishes common modes of motion. After laser i... Read More about Shuttling of Rydberg ions for fast entangling operations.

Numerical Simulation of Critical Dissipative Non-Equilibrium Quantum Systems with an Absorbing State (2019)
Journal Article
Gillman, E., Carollo, F., & Lesanovsky, I. (2019). Numerical Simulation of Critical Dissipative Non-Equilibrium Quantum Systems with an Absorbing State. New Journal of Physics, 21, Article 093064. https://doi.org/10.1088/1367-2630/ab43b0

The simulation of out-of-equilibrium dissipative quantum many body systems is a problem of fundamental interest to a number of fields in physics, ranging from condensed matter to cosmology. For unitary systems, tensor network methods have proved succ... Read More about Numerical Simulation of Critical Dissipative Non-Equilibrium Quantum Systems with an Absorbing State.

Critical behavior of the quantum contact process in one dimension (2019)
Journal Article
Carollo, F., Gillman, E., Weimer, H., & Lesanovsky, I. (2019). Critical behavior of the quantum contact process in one dimension. Physical Review Letters, 123(10), Article 100604. https://doi.org/10.1103/PhysRevLett.123.100604

The contact process is a paradigmatic classical stochastic system displaying critical behavior even in one dimension. It features a non-equilibrium phase transition into an absorbing state that has been widely investigated and shown to belong to the... Read More about Critical behavior of the quantum contact process in one dimension.

Dressed dense atomic gases (2019)
Journal Article
Lesanovsky, I., Olmos, B., Guerin, W., & Kaiser, R. (2019). Dressed dense atomic gases. Physical Review A, 100(2), Article 021401(R). https://doi.org/10.1103/PhysRevA.100.021401

The interaction between atomic transition dipoles and photons leads to the formation of many-body states with collective dissipation and long-ranged interactions. Here, we put forward and explore a scenario in which a dense atomic gas — where the sep... Read More about Dressed dense atomic gases.

Exploring nonequilibrium phases of the generalized Dicke model with a trapped Rydberg-ion quantum simulator (2019)
Journal Article
Gambetta, F. M., Lesanovsky, I., & Li, W. (2019). Exploring nonequilibrium phases of the generalized Dicke model with a trapped Rydberg-ion quantum simulator. Physical Review A, 100(2), Article 022513. https://doi.org/10.1103/physreva.100.022513

Trapped ions are a versatile platform for the investigation of quantum many-body phenomena, in particular for the study of scenarios where long-range interactions are mediated by phonons. Recent experiments have shown that the trapped ion platform ca... Read More about Exploring nonequilibrium phases of the generalized Dicke model with a trapped Rydberg-ion quantum simulator.