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- Istituto Nazionale di Fisica Nucleare, Sezione di CataniaIT230 papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT179 papers
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- Horia Hulubei National Institute for R and D in Physics and Nuclear EngineeringRO135 papers
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72 papers · 1 filter
From Few to Many Emitters Cavity QED: Energy Levels and Emission Spectra From Weak to Deep-Strong Coupling
Andrea Zappalá, Alberto Mercurio, Daniele Lamberto +3
We present a systematic study of the properties of systems composed of two-level quantum emitters coupled to a single cavity mode, for light-matter interaction strengths rangin…
Observation of Perfect Absorption in Hyperfine Levels of Molecular Spins with Hermitian Subspaces
Claudio Bonizzoni, Daniele Lamberto, Samuel Napoli +7
We investigate Perfect Absorption (PA) of radiation, in which incoming energy is entirely dissipated, in a system consisting of molecular spin centers coherently coupled to a plana…
Predicting sampling advantage of stochastic Ising Machines for Quantum Simulations
Rutger J. L. F. Berns, Davi R. Rodrigues, Giovanni Finocchio +1
Stochastic Ising machines, sIMs, are highly promising accelerators for optimization and sampling of computational problems that can be formulated as an Ising model. Here we investi…
Pushing the Boundary of Quantum Advantage in Hard Combinatorial Optimization with Probabilistic Computers
Shuvro Chowdhury, Navid Anjum Aadit, Andrea Grimaldi +12
Recent demonstrations on specialized benchmarks have reignited excitement for quantum computers, yet whether they can deliver an advantage for practical real-world problems remains…
Superradiant Quantum Phase Transition in Open Systems: System-Bath Interaction at the Critical Point
Daniele Lamberto, Gabriele Orlando, Salvatore Savasta
The occurrence of a second-order quantum phase transition in the Dicke model is a well-established feature. On the contrary, a comprehensive understanding of the corresponding open…
Circuit QED Spectra in the Ultrastrong Coupling Regime: How They Differ from Cavity QED
Samuel Napoli, Alberto Mercurio, Daniele Lamberto +3
Cavity quantum electrodynamics (QED) studies the interaction between resonator-confined radiation and natural atoms or other formally equivalent quantum excitations, under conditio…