Tunable coupling of superconducting qubits has been widely studied due to its importance
for isolated gate operations in scalable quantum processor architectures. Here, we …

Indefinite causal order (ICO) is playing a key role in recent quantum technologies. Here, we
experimentally study quantum thermodynamics driven by ICO on nuclear spins using the …

As progress is made towards the first generation of error-corrected quantum computers,
robust characterization and validation protocols are required to assess the noise …

Universality of local unitary transformations is one of the cornerstones of quantum computing
with many applications and implications that go beyond this field. However, it has recently …

Classical information loading is an essential task for many processing quantum algorithms,
constituting a cornerstone in the field of quantum machine learning. In particular, the …

Legitimate quantum operations must adhere to principles of quantum mechanics,
particularly the requirements of complete positivity and trace preservation. Yet, non …

We propose a quantum algorithm that emulates the action of an unknown unitary
transformation on a given input state, using multiple copies of some unknown sample input …

Reservoir engineering is a powerful technique to autonomously stabilize a quantum state.
Traditional schemes involving multi-body states typically function for discrete entangled …

Density matrix exponentiation (DME) is a quantum algorithm that processes multiple copies
of a program state $\sigma $ to realize the Hamiltonian evolution $ e^{-i\sigma t} $. While …

Quantum information theory is providing powerful technologies, most notably quantum
computing and cryptography, but it often remains challenging to translate the formalism …