56 citations · 76 across the 13 of their papers we have counts for
13 papers
Charging Quantum Batteries with Chiral Squeezing
Borhan Ahmadi, André H. A. Malavazi, Janine Splettstoesser +2
We propose a quantum-battery charger based on a driven bosonic Kitaev chain (BKC), where chiral squeezing converts passive input fluctuations into ordered, non-passive battery stat…
Quantum work beyond classical (commuting) limits
Sumit Rout, Aravinth Balaji Ravichandran, Paweł Horodecki +1
Free energy fixes the maximum work of a thermodynamic process once the state and Hamiltonian are specified. A work-extraction task asks a different question: how much average work…
Learning partial transpose signatures in qubit ququart states from a few measurements
Christian Candeago, Paolo Da Rold, Michele Grossi +2
Higher-dimensional quantum systems are attracting interest for improving quantum protocol performance by increasing memory space. Characterizing quantum resources of such systems i…
Reservoir-Engineered Low-Threshold Quantum Energy Storage
Borhan Ahmadi, André H. A. Malavazi, Paweł Mazurek +2
Fast charging of quantum batteries requires amplification of the energy transferred to a storage mode without uncontrolled gain or phenomenological non-Hermitian dynamics. Inspired…
Charge-Preserving Operations in Quantum Batteries
André H. A. Malavazi, Borhan Ahmadi, Paweł Horodecki +1
Ergotropy provides a fundamental measure of the extractable work from a quantum system and, consequently, of the maximal useful energy, or charge, stored within it. Understanding h…
Harnessing Environmental Noise for Quantum Energy Storage
Borhan Ahmadi, Aravinth Balaji Ravichandran, Paweł Mazurek +2
Quantum hardware increasingly relies on energy reserves that can later be converted into useful work; yet, most battery-like proposals demand coherent drives or engineered non-equi…
Unitary induced channels and Tsirelson's problem
Michał Banacki, Paweł Horodecki
Motivated by a recent progress concerning quantum commuting and quantum tensor models of composed systems we investigate a notion of (generalized) unitary induced quantum channel.…
Facets of Non-locality and Advantage in Entanglement-Assisted Classical Communication Tasks
Sumit Rout, Anubhav Chaturvedi, Some Sankar Bhattacharya +1
We reveal key connections between non-locality and advantage in correlation-assisted classical communication. First, using the wire-cutting technique, we provide a Bell inequality…
Superluminal signalling and chaos in nonlinear quantum dynamics
Marta Emilia Bielińska, Michał Eckstein, Paweł Horodecki
Nonlinear quantum dynamics is often invoked in models trying to bridge the gap between the quantum micro-world and the classical macro-world. Such endeavors, however, encounter cha…
Randomness-free Detection of Non-projective Measurements: Qubits & beyond
Sumit Rout, Some Sankar Bhattacharya, Paweł Horodecki
Non-projective measurements play a crucial role in various information-processing protocols. In this work, we propose an operational task to identify measurements that are neither…
Oracle problems as communication tasks and optimization of quantum algorithms
Amit Te'eni, Zohar Schwartzman-Nowik, Marcin Nowakowski +2
Quantum query complexity studies the number of queries needed to learn some property of a black box. A closely related question is how well an algorithm can succeed with this learn…
Super-Optimal Charging of Quantum Batteries via Reservoir Engineering
Borhan Ahmadi, Paweł Mazurek, Shabir Barzanjeh +1
Energy dissipation, typically considered an undesirable process, has recently been shown to be harnessed as a resource to optimize the performance of a quantum battery. Following t…
Optimal Quantum Control of Charging Quantum Batteries
R. R. Rodriguez, B. Ahmadi, G. Suarez +3
Quantum control allows us to address the problem of engineering quantum dynamics for special purposes. While recently the field of quantum batteries has attracted much attention, o…