Experimental aspects of indefinite causal order in quantum mechanics
In the past decade, the toolkit of quantum information has been expanded to include
processes in which the basic operations do not have definite causal relations. Originally …
processes in which the basic operations do not have definite causal relations. Originally …
Remote charging and degradation suppression for the quantum battery
The quantum battery (QB) makes use of quantum effects to store and supply energy, which
may outperform its classical counterpart. However, there are two challenges in this field. One …
may outperform its classical counterpart. However, there are two challenges in this field. One …
Experimental validation of enhanced information capacity by quantum switch in accordance with thermodynamic laws
We experimentally probe the interplay of the quantum switch with the laws of
thermodynamics. The quantum switch places two channels in a superposition of orders and …
thermodynamics. The quantum switch places two channels in a superposition of orders and …
Resonator-qutrit quantum battery
FM Yang, FQ Dou - Physical Review A, 2024 - APS
Quantum batteries (QBs) are energy storage and transfer microdevices that open up new
possibilities in energy technology. Here, we derive a resonator–multiple-qutrit quantum …
possibilities in energy technology. Here, we derive a resonator–multiple-qutrit quantum …
Work extraction from quantum coherence in non-equilibrium environment
Ergotropy, which represents the maximum amount of work that can be extracted from a
quantum system, has become a focal point of interest in the fields of quantum …
quantum system, has become a focal point of interest in the fields of quantum …
Quick charging of a quantum battery with superposed trajectories
We propose charging protocols for quantum batteries based on quantum superpositions of
trajectories. Specifically, we consider that a qubit (the battery) interacts with multiple cavities …
trajectories. Specifically, we consider that a qubit (the battery) interacts with multiple cavities …
General communication enhancement via the quantum switch
Recent studies have shown that quantum information may be effectively transmitted by a
finite collection of completely depolarizing channels in a coherent superposition of different …
finite collection of completely depolarizing channels in a coherent superposition of different …
Demonstration of superior communication through thermodynamically free channels in an optical quantum switch
The release of the causal structure of physical events from a well-defined order to an
indefinite order stimulates remarkable enhancements in various quantum information tasks …
indefinite order stimulates remarkable enhancements in various quantum information tasks …
Enhancing the charging performance of quantum batteries with the work medium of an entangled coupled-cavity array
HB Ma, K Xu, HG Li, ZG Li, HJ Zhu - Physical Review A, 2024 - APS
Although entanglement is considered as a crucial resource for quantum information
processing, it is still unknown whether the presence of quantum entanglement in the working …
processing, it is still unknown whether the presence of quantum entanglement in the working …
Floquet driven long-range interactions induce super-extensive scaling in quantum battery
Achieving quantum advantage in energy storage and power extraction is a primary objective
in the design of quantum-based batteries. We explore how long-range (LR) interactions in …
in the design of quantum-based batteries. We explore how long-range (LR) interactions in …