Logical quantum processor based on reconfigurable atom arrays
Suppressing errors is the central challenge for useful quantum computing, requiring
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …
quantum error correction (QEC),,,–for large-scale processing. However, the overhead in the …
Benchmarking quantum computers
The rapid pace of development in quantum computing technology has sparked a
proliferation of benchmarks to assess the performance of quantum computing hardware and …
proliferation of benchmarks to assess the performance of quantum computing hardware and …
Nonstabilizerness via matrix product states in the pauli basis
Nonstabilizerness, also known as “magic,” stands as a crucial resource for achieving a
potential advantage in quantum computing. Its connection to many-body physical …
potential advantage in quantum computing. Its connection to many-body physical …
Learning quantum states and unitaries of bounded gate complexity
While quantum state tomography is notoriously hard, most states hold little interest to
practically minded tomographers. Given that states and unitaries appearing in nature are of …
practically minded tomographers. Given that states and unitaries appearing in nature are of …
[PDF][PDF] Improved stabilizer estimation via bell difference sampling
We study the complexity of learning quantum states in various models with respect to the
stabilizer formalism and obtain the following results: We prove that Ω (n) T-gates are …
stabilizer formalism and obtain the following results: We prove that Ω (n) T-gates are …
Learning t-doped stabilizer states
In this paper, we present a learning algorithm aimed at learning states obtained from
computational basis states by Clifford circuits doped with a finite number $ t $ of $ T $-gates …
computational basis states by Clifford circuits doped with a finite number $ t $ of $ T $-gates …
Efficient learning of quantum states prepared with few non-clifford gates
S Grewal, V Iyer, W Kretschmer, D Liang - ar**: A recipe for efficient agnostic tomography and magic estimation
We study the task of agnostic tomography: given copies of an unknown $ n $-qubit state
$\rho $ which has fidelity $\tau $ with some state in a given class $ C $, find a state which …
$\rho $ which has fidelity $\tau $ with some state in a given class $ C $, find a state which …
Efficient learning of -doped stabilizer states with single-copy measurements
One of the primary objectives in the field of quantum state learning is to develop algorithms
that are time-efficient for learning states generated from quantum circuits. Earlier …
that are time-efficient for learning states generated from quantum circuits. Earlier …
Efficient distributed inner product estimation via Pauli sampling
Cross-platform verification is the task of comparing the output states produced by different
physical platforms using solely local quantum operations and classical communication …
physical platforms using solely local quantum operations and classical communication …