Zobrazeno 1 - 10
of 686
pro vyhledávání: '"A. Fannes"'
Autor:
Fannes, Gijs, Claeys, An-Sofie
Publikováno v:
In Public Relations Review June 2022 48(2)
Publikováno v:
In Public Relations Review March 2022 48(1)
Publikováno v:
New J. Phys. 19 023025 (2017)
We establish a mathematically rigorous, general and quantitative framework to describe currents of non- (or weakly) interacting, indistinguishable particles driven far from equilibrium. We derive tight upper and lower bounds for the achievable fermio
Externí odkaz:
http://arxiv.org/abs/1606.02768
Autor:
Fannes, Mark
The von Neumann entropy of a density matrix of dimension d, expressed in terms of the first d-1 integer order R\'enyi entropies, is monotonically increasing in R\'enyi entropies of even order and decreasing in those of odd order.
Comment: 5 page
Comment: 5 page
Externí odkaz:
http://arxiv.org/abs/1310.5941
Autor:
Alicki, Robert, Fannes, Mark
Motivated by the recent interest in thermodynamics of micro- and mesoscopic quantum systems we study the maximal amount of work that can be reversibly extracted from a quantum system used to store temporarily energy. Guided by the notion of passivity
Externí odkaz:
http://arxiv.org/abs/1211.1209
Autor:
Fannes, Mark, Van Ryn, Nicholas
Publikováno v:
J. Phys. A: Math. Theor. 45 (2012) 385003
We explore the relation between the von Neumann entropy and the Renyi entropies of integer orders for shift-invariant quasi-free Fermionic lattice systems. We investigate approximating the von Neumann entropy by a combination of integer-order Renyi e
Externí odkaz:
http://arxiv.org/abs/1205.0945
Autor:
Fannes, Mark, Wouters, Jeroen
We study a quantum process that can be considered as a quantum analogue for the classical Markov process. We specifically construct a version of these processes for free Fermions. For such free Fermionic processes we calculate the entropy density. Th
Externí odkaz:
http://arxiv.org/abs/1204.5757
Publikováno v:
Quant. Infor. Commun. 12, 472-489 (2012)
The entropy of the Gram matrix of a joint purification of an ensemble of K mixed states yields an upper bound for the Holevo information Chi of the ensemble. In this work we combine geometrical and probabilistic aspects of the ensemble in order to ob
Externí odkaz:
http://arxiv.org/abs/1104.2271
Publikováno v:
International Journal of Quantum Information, 9, pp. 1031 (2011)
We investigate decoherence induced by a quantum channel in terms of minimal output entropy and of map entropy. The latter is the von Neumann entropy of the Jamiolkowski state of the channel. Both quantities admit q-Renyi versions. We prove additivity
Externí odkaz:
http://arxiv.org/abs/1101.4105
Autor:
Fannes, Mark, Wouters, Jeroen
A number of ideas and questions related to the construction of quantum processes are discussed. Quantum state extension, entanglement and asymptotic behaviour of the entropy are some of the issues explored. These topics are studied in more detail for
Externí odkaz:
http://arxiv.org/abs/1005.3177