Quantum resource theories
Quantum resource theories (QRTs) offer a highly versatile and powerful framework for
studying different phenomena in quantum physics. From quantum entanglement to quantum …
studying different phenomena in quantum physics. From quantum entanglement to quantum …
Catalysis in quantum information theory
Catalysts open up new reaction pathways that can speed up chemical reactions while not
consuming the catalyst. A similar phenomenon has been discovered in quantum information …
consuming the catalyst. A similar phenomenon has been discovered in quantum information …
Catalysis of entanglement and other quantum resources
In 1835, Jacob Berzelius observed a common feature among several chemical reactions:
they all required an additional substance, which remained unchanged in the process. He …
they all required an additional substance, which remained unchanged in the process. He …
Von Neumann entropy from unitarity
The von Neumann entropy is a key quantity in quantum information theory and, roughly
speaking, quantifies the amount of quantum information contained in a state when many …
speaking, quantifies the amount of quantum information contained in a state when many …
Quantifying resources in general resource theory with catalysts
A question that is commonly asked in all areas of physics is how a certain property of a
physical system can be used to achieve useful tasks and how to quantify the amount of such …
physical system can be used to achieve useful tasks and how to quantify the amount of such …
Teleportation with embezzling catalysts
Quantum teleportation is the process of transferring quantum information using classical
communication and pre-shared entanglement. This process can benefit from the use of …
communication and pre-shared entanglement. This process can benefit from the use of …
Quantum communication using coherent rejection sampling
Compression of a message up to the information it carries is key to many tasks involved in
classical and quantum information theory. Schumacher [B. Schumacher, Phys. Rev. A 51 …
classical and quantum information theory. Schumacher [B. Schumacher, Phys. Rev. A 51 …
Fundamental work cost of quantum processes
Information-theoretic approaches provide a promising avenue for extending the laws of
thermodynamics to the nanoscale. Here, we provide a general fundamental lower limit, valid …
thermodynamics to the nanoscale. Here, we provide a general fundamental lower limit, valid …
Building blocks for communication over noisy quantum networks
A capacity of a quantum channel characterizes the limits of reliable communication through
a noisy quantum channel. This fundamental information-theoretic question is very well …
a noisy quantum channel. This fundamental information-theoretic question is very well …
Quantum channel simulation and the channel's smooth max-information
We study the general framework of quantum channel simulation, that is, the ability of a
quantum channel to simulate another one using different classes of codes. First, we show …
quantum channel to simulate another one using different classes of codes. First, we show …