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98 papers · 2 filters
Atomtronics-enabled Quantum Technologies
Luigi Amico, Gerhard Birkl, Malcolm Boshier +1
Atomtronics is an emerging field in quantum technology that promises to realize 'atomic circuit' architectures exploiting ultra-cold atoms manipulated in versatile micro-optical ci…
Classical verification of quantum circuits containing few basis changes
Tommaso F. Demarie, Yingkai Ouyang, Joseph F. Fitzsimons
We consider the task of verifying the correctness of quantum computation for a restricted class of circuits which contain at most two basis changes. This contains circuits giving r…
Enhancing the charging power of quantum batteries
Francesco Campaioli, Felix A. Pollock, Felix C. Binder +4
Can collective quantum effects make a difference in a meaningful thermodynamic operation? Focusing on energy storage and batteries, we demonstrate that quantum mechanics can lead t…
Optimal performance of generalized heat engines with finite-size baths of arbitrary multiple conserved quantities beyond i.i.d. scaling
Kosuke Ito, Masahito Hayashi
In quantum thermodynamics, effects of finiteness of the baths have been less considered. In particular, there is no general theory which focuses on finiteness of the baths of multi…
Quantum-enhanced multi-parameter estimation for unitary photonic systems
Nana Liu, Hugo Cable
Precise device characterization is a fundamental requirement for a large range of applications using photonic hardware, and constitutes a multi-parameter estimation problem. Estima…
Private quantum computation: An introduction to blind quantum computing and related protocols
Joseph F. Fitzsimons
Quantum technologies hold the promise of not only faster algorithmic processing of data, via quantum computation, but also of more secure communications, in the form of quantum cry…