269 citations · 1.8k across the 24 of their papers we have counts for
5 papers · 1 filter
Unifying paradigms of quantum refrigeration: fundamental limits of cooling and associated work costs
Fabien Clivaz, Ralph Silva, Géraldine Haack +3
In classical thermodynamics the work cost of control can typically be neglected. On the contrary, in quantum thermodynamics the cost of control constitutes a fundamental contributi…
Autonomous thermal machine for amplification and control of energetic coherence
Gonzalo Manzano, Ralph Silva, Juan M. R. Parrondo
We present a model for an autonomous quantum thermal machine comprised of two qubits capable of manipulating and even amplifying the local coherence in a non-degenerate external sy…
Exploring the limits of no backward in time signalling
Yelena Guryanova, Ralph Silva, Anthony J. Short +3
We present an operational and model-independent framework to investigate the concept of no-backwards-in-time signaling. We define no-backwards-in-time signaling conditions, closely…
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…
Connecting processes with indefinite causal order and multi-time quantum states
Ralph Silva, Yelena Guryanova, Anthony J. Short +3
Recently, the possible existence of quantum processes with indefinite causal order has been extensively discussed, in particular using the formalism of process matrices. Here we gi…