Stéphane Vinet
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View article: Demonstration of a reconfigurable ground to space quantum networking scheme
Demonstration of a reconfigurable ground to space quantum networking scheme Open
We experimentally demonstrate a reconfigurable quantum network architecture suitable for integrating satellite links in metropolitan quantum networks. The network architecture is designed such that once a satellite is in range, it is confi…
View article: A reconfigurable entanglement distribution network suitable for connecting multiple ground nodes with a satellite
A reconfigurable entanglement distribution network suitable for connecting multiple ground nodes with a satellite Open
Satellite-based quantum communication channels are important for ultra-long distances. Given the short duration of a satellite pass, it can be challenging to efficiently connect multiple users of a city-wide network while the satellite is …
View article: Feasibility study of frequency-encoded photonic qubits over a free-space channel
Feasibility study of frequency-encoded photonic qubits over a free-space channel Open
Frequency-bin quantum encoding shows great promise for quantum communication given its high-dimensional scaling, compatibility with photonic integrated circuits and synergy with classical optical communication technology. However, to date …
View article: Towards Fully Passive Time-Bin Quantum Key Distribution over Moving Free-Space Channels
Towards Fully Passive Time-Bin Quantum Key Distribution over Moving Free-Space Channels Open
Encoding quantum information in photonic time-bin states is typically considered impractical for moving free-space quantum communication due to the difficulties with phase stabilization of distant quantum time-bin interferometers and turbu…
View article: Excitations and ergodicity of critical quantum spin chains from non-equilibrium classical dynamics
Excitations and ergodicity of critical quantum spin chains from non-equilibrium classical dynamics Open
We study a quantum spin-1/2 chain that is dual to the canonical problem of non-equilibrium Kawasaki dynamics of a classical Ising chain coupled to a thermal bath. The Hamiltonian is obtained for the general disordered case with non-uniform…
View article: Report on 2107.04615v2
Report on 2107.04615v2 Open
We study a quantum spin-1/2 chain that is dual to the canonical problem of non-equilibrium Kawasaki dynamics of a classical Ising chain coupled to a thermal bath.The Hamiltonian is obtained for the general disordered case with non-uniform …
View article: Excitations and ergodicity of critical quantum spin chains from non-equilibrium classical dynamics
Excitations and ergodicity of critical quantum spin chains from non-equilibrium classical dynamics Open
We study a quantum spin-1/2 chain that is dual to the canonical problem of non-equilibrium Kawasaki dynamics of a classical Ising chain coupled to a thermal bath. The Hamiltonian is obtained for the general disordered case with non-uniform…
View article: The generalized Racah algebra as a commutant
The generalized Racah algebra as a commutant Open
The Racah algebra $R(n)$ of rank $(n-2)$ is obtained as the commutant of the\n\\mbox{$\\mathfrak{o}(2)^{\\oplus n}$} subalgebra of $\\mathfrak{o}(2n)$ in\noscillator representations of the universal algebra of $\\mathfrak{o}(2n)$. This\nre…
View article: The Racah algebra as a commutant and Howe duality
The Racah algebra as a commutant and Howe duality Open
The Racah algebra encodes the bispectrality of the eponym polynomials. It is known to be the symmetry algebra of the generic superintegrable model on the $2$-sphere. It is further identified as the commutant of the $\mathfrak{o}(2) \oplus …