Hierarchy of topological order from finite-depth unitaries, measurement, and feedforward
Long-range entanglement—the backbone of topologically ordered states—cannot be
created in finite time using local unitary circuits, or, equivalently, adiabatic state preparation …
created in finite time using local unitary circuits, or, equivalently, adiabatic state preparation …
Interactive cryptographic proofs of quantumness using mid-circuit measurements
The ability to perform measurements in the middle of a quantum circuit is a powerful
resource. It underlies a wide range of applications, from remote state preparation to quantum …
resource. It underlies a wide range of applications, from remote state preparation to quantum …
Probabilistic error cancellation for dynamic quantum circuits
Probabilistic error cancellation (PEC) is a technique that generates error-mitigated estimates
of expectation values from ensembles of quantum circuits. In this work we extend the …
of expectation values from ensembles of quantum circuits. In this work we extend the …
A randomized benchmarking suite for mid-circuit measurements
Mid-circuit measurements are a key component in many quantum information computing
protocols, including quantum error correction, fault-tolerant logical operations, and …
protocols, including quantum error correction, fault-tolerant logical operations, and …
Optimal qubit reuse for near-term quantum computers
Near-term quantum computations are limited by high error rates, the scarcity of qubits and
low qubit connectivity. Increasing support for mid-circuit measurements and qubit reset in …
low qubit connectivity. Increasing support for mid-circuit measurements and qubit reset in …
Transmon-qubit readout using an in situ bifurcation amplification in the mesoscopic regime
R Dassonneville, T Ramos, V Milchakov, C Mori… - Physical Review …, 2023 - APS
We demonstrate a transmon-qubit readout based on the nonlinear response to a drive of
polaritonic meters in situ coupled to the qubit. Inside a three-dimensional readout cavity, we …
polaritonic meters in situ coupled to the qubit. Inside a three-dimensional readout cavity, we …
On the Pauli Spectrum of QAC0
The circuit class QAC 0 was introduced by Moore (1999) as a model for constant depth
quantum circuits where the gate set includes many-qubit Toffoli gates. Proving lower bounds …
quantum circuits where the gate set includes many-qubit Toffoli gates. Proving lower bounds …
Probabilistic error cancellation for measurement-based quantum circuits
Probabilistic error cancellation (PEC) is a technique that generates error-mitigated estimates
of expectation values from ensembles of quantum circuits. In this work we extend the …
of expectation values from ensembles of quantum circuits. In this work we extend the …
Efficient MPS representations and quantum circuits from the Fourier modes of classical image data
B Jobst, K Shen, CA Riofrío, E Shishenina… - arXiv preprint arXiv …, 2023 - arxiv.org
Machine learning tasks are an exciting application for quantum computers, as it has been
proven that they can learn certain problems more efficiently than classical ones. Applying …
proven that they can learn certain problems more efficiently than classical ones. Applying …
Simulating quantum transport via collisional models on a digital quantum computer
Digital quantum computers have the potential to study the dynamics of many-body quantum
systems. Nonequilibrium open quantum systems are, however, less straightforward to be …
systems. Nonequilibrium open quantum systems are, however, less straightforward to be …