… with a superposition of coherent states, known as a cat state. Here we use the Clauser–… of
a Bell test to characterize entanglement between an artificial atom and a cat state, or a Bell-cat. …

… with a superposition of coherent states, known as a cat state. Here we use the ClauserHorne…
Bell test to characterize entanglement between an artificial atom and a cat state, or a Bell-cat…

… from an optical cavity containing a single trapped atom in a … We characterize this gate with
coherent pulses containing a … One could utilize this entanglement in a hybrid Bell test 35,40…

… Here, we realize a two-mode cat state of electromagnetic fields in two microwave cavities …
The entanglement can be tested against a CHSH-style Bell’s inequality constructed from P J at …

… Specifically, we demonstrate the violation of a Bell inequality … that can be treated as artificial
atoms.Josephson junctions [… tool for characterizing not only the levels of entanglement we …

… We characterize the multipartite entanglement by measuring … corresponding cavity cat state
qubit. For σy measurement of each … , Characterizing entanglement of an artificial atom and a …

… entangled with the central spin, and show how this state can be … We visualize the Bell-cat
states by plotting their Wigner … the state of an atom resonantly coupled to an optical cavity can …

… cat-state qubit [33, 34] and created Bell states of two cat-… or optical cavities coupled to a
natural or artificial four-level atom. … In the interaction picture, the Hamiltonian characterizing this …

… a single cat-state qubit [42] and Bell states of two cat-state qubits [… of A and B given above
and the inequality (6), one has … of hybrid entangled states of the cavities and thus each cavity is …

… from the cavity, we would have a multipartite entangled state (∣0⟩∣α⟩ ⊗n + ∣1⟩∣− α⟩
⊗n ). (B) … system to characterize the quantum entanglement between the qubit and the flying …