Noisy intermediate-scale quantum computers

B Cheng, XH Deng, X Gu, Y He, G Hu, P Huang, J Li… - Frontiers of …, 2023 - Springer
Quantum computers have made extraordinary progress over the past decade, and
significant milestones have been achieved along the path of pursuing universal fault-tolerant …

Quantum engines and refrigerators

LM Cangemi, C Bhadra, A Levy - Physics Reports, 2024 - Elsevier
Engines are systems and devices that convert one form of energy into another, typically into
a more useful form that can perform work. In the classical setup, physical, chemical, and …

Enhancement of quantum heat engine by encircling a Liouvillian exceptional point

JT Bu, JQ Zhang, GY Ding, JC Li, JW Zhang, B Wang… - Physical review …, 2023 - APS
Quantum heat engines are expected to outperform the classical counterparts due to
quantum coherences involved. Here we experimentally execute a single-ion quantum heat …

Thermodynamic Approach to Quantifying Incompatible Instruments

CY Hsieh, SL Chen - Physical Review Letters, 2024 - APS
We consider a thermodynamic framework to quantify instrument incompatibility via a
resource theory subject to thermodynamic constraints. We use the minimal thermalization …

Optimal energy storage in the Tavis-Cummings quantum battery

HY Yang, HL Shi, QK Wan, K Zhang, XH Wang… - Physical Review A, 2024 - APS
The Tavis-Cummings (TC) model, which serves as a natural physical realization of a
quantum battery, comprises N b atoms as battery cells that collectively interact with a shared …

[HTML][HTML] Dynamics of a strongly coupled quantum heat engine—Computing bath observables from the hierarchy of pure states

V Boettcher, R Hartmann, K Beyer… - The Journal of Chemical …, 2024 - pubs.aip.org
We present a fully quantum dynamical treatment of a quantum heat engine and its baths
based on the Hierarchy of Pure States (HOPS), an exact and general method for open …

Autonomous dissipative Maxwell's demon in a diamond spin qutrit

S Hernández-Gómez, S Gherardini, N Staudenmaier… - PRX Quantum, 2022 - APS
Engineered dynamical maps combining coherent and dissipative transformations of
quantum states with quantum measurements have demonstrated a number of technological …

Many-body enhancement in a spin-chain quantum heat engine

LA Williamson, MJ Davis - Physical Review B, 2024 - APS
We show that ferromagnetic interactions can enhance the adiabatic performance of a
quantum spin chain engine at low temperatures. The enhancement in work output is …

Exploring the optimal cycle for a quantum heat engine using reinforcement learning

G Deng, H Ai, B Wang, W Shao, Y Liu, Z Cui - Physical Review A, 2024 - APS
Quantum thermodynamic relationships in emerging nanodevices are significant but often
complex to deal with. The application of machine learning in quantum thermodynamics has …

Characterisation and fundamental limitations of irreversible stochastic steering distillation

CY Hsieh, HY Ku, C Budroni - arXiv preprint arXiv:2309.06191, 2023 - arxiv.org
Steering resources, central for quantum advantages in one-sided device-independent
quantum information tasks, can be enhanced via local filters. Recently, reversible steering …