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Hybrid Thermal Machines: Generalized Thermodynamic Resources for Multitasking
Gonzalo Manzano, Rafael Sánchez, Ralph Silva +4
Thermal machines perform useful tasks--such as producing work, cooling, or heating--by exchanging energy, and possibly additional conserved quantities such as particles, with reser…
Accuracy enhancing protocols for quantum clocks
Yuxiang Yang, Lennart Baumgärtner, Ralph Silva +1
The accuracy of the time information generated by clocks can be enhanced by allowing them to communicate with each other. Here we consider a basic scenario where a quantum clock re…
Unifying paradigms of quantum refrigeration: A universal and attainable bound on cooling
Fabien Clivaz, Ralph Silva, Géraldine Haack +3
Cooling quantum systems is arguably one of the most important thermodynamic tasks connected to modern quantum technologies and an interesting question from a foundational perspecti…
Unbounded sequence of observers exhibiting Einstein-Podolsky-Rosen steering
Akshata Shenoy H, Sébastien Designolle, Flavien Hirsch +3
A sequential steering scenario is investigated, where multiple Bobs aim at demonstrating steering using successively the same half of an entangled quantum state. With isotropic ent…
Anomalous Weak Values Without Post-Selection
Alastair A. Abbott, Ralph Silva, Julian Wechs +2
A weak measurement performed on a pre- and post-selected quantum system can result in an average value that lies outside of the observable's spectrum. This effect, usually referred…
Markovian master equations for quantum thermal machines: local vs global approach
Patrick P. Hofer, Martí Perarnau-Llobet, L. David M. Miranda +4
The study of quantum thermal machines, and more generally of open quantum systems, often relies on master equations. Two approaches are mainly followed. On the one hand, there is t…