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15 papers · 2 filters
Closest approach of a quantum projectile
A Kumar, T Krisnanda, P Arumugam +1
We consider the simplest case of Rutherford scattering, i.e. the head-on collision, where the projectile is treated quantum mechanically. The convexity of repulsive Coulomb force i…
Converting single photons from an InAs/GaAs quantum dot into the ultraviolet: preservation of second-order correlations
Anica Hamer, David Fricker, Marcel Hohn +6
Wavelength conversion at the single-photon level is required to forge a quantum network from distinct quantum devices. Such devices include solid-state emitters of single or entang…
Dissipative quantum dynamics, phase transitions and non-Hermitian random matrices
Mahaveer Prasad, Hari Kumar Yadalam, Camille Aron +1
We explore the connections between dissipative quantum phase transitions and non-Hermitian random matrix theory. For this, we work in the framework of the dissipative Dicke model w…
Subdiffusion in wave packets with periodically kicked interactions
Clément Duval, Dominique Delande, Nicolas Cherroret
We study the quantum dynamics of a peculiar driven system, a Bose gas subjected to periodically kicked interactions. In the limit of infinitely short kicks, this system was recentl…
Frequency multiplexed entanglement for continuous-variable quantum key distribution
Olena Kovalenko, Young-Sik Ra, Yin Cai +4
Quantum key distribution with continuous variables already uses advantageous high-speed single-mode homodyne detection with low electronic noise at room temperature. Together with…
Quantum evolution kernel : Machine learning on graphs with programmable arrays of qubits
Louis-Paul Henry, Slimane Thabet, Constantin Dalyac +1
The rapid development of reliable Quantum Processing Units (QPU) opens up novel computational opportunities for machine learning. Here, we introduce a procedure for measuring the s…