Programmable quantum simulations of spin systems with trapped ions
Laser-cooled and trapped atomic ions form an ideal standard for the simulation of interacting
quantum spin models. Effective spins are represented by appropriate internal energy levels …
quantum spin models. Effective spins are represented by appropriate internal energy levels …
Encoding a qubit in a trapped-ion mechanical oscillator
The stable operation of quantum computers will rely on error correction, in which single
quantum bits of information are stored redundantly in the Hilbert space of a larger system …
quantum bits of information are stored redundantly in the Hilbert space of a larger system …
Error correction of a logical grid state qubit by dissipative pum**
Stabilization of encoded logical qubits using quantum error correction is crucial for the
realization of reliable quantum computers. Although error-correcting codes implemented …
realization of reliable quantum computers. Although error-correcting codes implemented …
Performance and structure of single-mode bosonic codes
The early Gottesman, Kitaev, and Preskill (GKP) proposal for encoding a qubit in an
oscillator has recently been followed by cat-and binomial-code proposals. Numerically …
oscillator has recently been followed by cat-and binomial-code proposals. Numerically …
Generating grid states from Schrödinger-cat states without postselection
Grid (or comb) states are an interesting class of bosonic states introduced by Gottesman,
Kitaev, and Preskill [D. Gottesman, A. Kitaev, and J. Preskill, Phys. Rev. A 64, 012310 (2001) …
Kitaev, and Preskill [D. Gottesman, A. Kitaev, and J. Preskill, Phys. Rev. A 64, 012310 (2001) …
Observation of non-Markovian spin dynamics in a Jaynes-Cummings-Hubbard model using a trapped-ion quantum simulator
The Jaynes-Cummings-Hubbard (JCH) model is a fundamental many-body model for light-
matter interaction. As a leading platform for quantum simulation, the trapped ion system has …
matter interaction. As a leading platform for quantum simulation, the trapped ion system has …
Sequential modular position and momentum measurements of a trapped ion mechanical oscillator
The noncommutativity of position and momentum observables is a hallmark feature of
quantum physics. However, this incompatibility does not extend to observables that are …
quantum physics. However, this incompatibility does not extend to observables that are …
Programmable quantum simulations of bosonic systems with trapped ions
Trapped atomic ion crystals are a leading platform for quantum simulations of spin systems,
with programmable and long-range spin-spin interactions mediated by excitations of …
with programmable and long-range spin-spin interactions mediated by excitations of …
Dissipative stabilization of squeezing beyond 3 dB in a microwave mode
While a propagating state of light can be generated with arbitrary squeezing by pum** a
parametric resonator, the intraresonator state is limited to 3 dB of squeezing. Here, we …
parametric resonator, the intraresonator state is limited to 3 dB of squeezing. Here, we …
Multicritical dissipative phase transitions in the anisotropic open quantum Rabi model
We investigate the nonequilibrium steady state of the anisotropic open quantum Rabi model,
which exhibits first-order and second-order dissipative phase transitions upon varying the …
which exhibits first-order and second-order dissipative phase transitions upon varying the …