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Learning Non-Markovian Quantum Noise from Moiré-Enhanced Swap Spectroscopy with Deep Evolutionary Algorithm
Murphy Yuezhen Niu, Vadim Smelyanskyi, Paul Klimov +30
Two-level-system (TLS) defects in amorphous dielectrics are a major source of noise and decoherence in solid-state qubits. Gate-dependent non-Markovian errors caused by TLS-qubit c…
Supplementary information for "Quantum supremacy using a programmable superconducting processor"
Frank Arute, Kunal Arya, Ryan Babbush +74
This is an updated version of supplementary information to accompany "Quantum supremacy using a programmable superconducting processor", an article published in the October 24, 201…
Direct measurement of non-local interactions in the many-body localized phase
B. Chiaro, C. Neill, A. Bohrdt +58
The interplay of interactions and strong disorder can lead to an exotic quantum many-body localized (MBL) phase. Beyond the absence of transport, the MBL phase has distinctive sign…
Diabatic gates for frequency-tunable superconducting qubits
R. Barends, C. M. Quintana, A. G. Petukhov +43
We demonstrate diabatic two-qubit gates with Pauli error rates down to in as fast as 18 ns using frequency-tunable superconducting qubits. This is achieved by…
Intermittency of dynamical phases in a quantum spin glass
Vadim N. Smelyanskiy, Kostyantyn Kechedzhi, Sergio Boixo +2
Answering the question of existence of efficient quantum algorithms for NP-hard problems require deep theoretical understanding of the properties of the low-energy eigenstates and…
Entanglement and complexity of interacting qubits subject to asymmetric noise
Eliot Kapit, Pedram Roushan, Charles Neill +2
The simulation complexity of predicting the time evolution of delocalized many-body quantum systems has attracted much recent interest, and simulations of such systems in real quan…