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Transitions to super-radiance in ensembles of incoherently pumped emitters
Laszlo Rassaert, Tommaso Roscilde
Super-radiance is a striking phenomenon resulting from the collective interaction of emitters with light, and it is fundamentally related to the appearance of long-range correlatio…
Universal spin-squeezing dynamics in spinor condensates
Nikolaos Giovanoudis, Navid Kazemiseresht, Fabio Mezzacapo +2
The production of large-scale entangled states is one of the main goals of next-generation quantum technologies, with an immediate potential for applications in the context of enta…
Quantum correlations in the steady state of light-emitter ensembles from perturbation theory
Dolf Huybrechts, Tommaso Roscilde
The coupling of a quantum system to an environment leads generally to decoherence, and it is detrimental to quantum correlations within the system itself. Yet some forms of quantum…
Scalable spin squeezing from spontaneous breaking of a continuous symmetry
Tommaso Comparin, Fabio Mezzacapo, Martin Robert-de-Saint-Vincent +1
Spontaneous symmetry breaking (SSB) is a property of Hamiltonian equilibrium states which, in the thermodynamic limit, retain a finite average value of an order parameter even afte…
Exponential onset of scalable entanglement via twist-and-turn dynamics in XY models
Tommaso Roscilde, Meenu Kumari, Alexandre Cooper +1
The efficient preparation of scalable multipartite entanglement is a central goal in the development of next-generation quantum devices. In this work, we show that the so-called ``…
Tomonaga-Luttinger Liquid Behavior in a Rydberg-encoded Spin Chain
Gabriel Emperauger, Mu Qiao, Cheng Chen +14
Quantum fluctuations can disrupt long-range order in one-dimensional systems, and replace it with the universal paradigm of the Tomonaga-Luttinger liquid (TLL), a critical phase of…