[PDF] Top 20 Entanglement entropy in integrable quantum systems

... that quantum particles “live” in both states as long as a measure has been performed on ...the quantum case on of the two options (‘up’ or ‘down’) is selected at the time of the ...interpret quantum ... See full document

... dependent entanglement of a V-type three-level atom with a single mode field is proposed ...the entanglement of a ladder type three-level atom interacting with a non- correlated two modes cavity field [29], ... See full document

... Quantum Fisher Information (QFI) is a measure of a quantum system parameter’s sensitivity for changes. If we investigate QFI of a system’s state per particle, we obtain shot-noise limit information for ... See full document

... many-body systems, the R´ enyi EEs characterize the structure of quantum fluctuations and correlations in a more universal way than other widely studied objects such as correlation functions of local order ... See full document

... the entanglement entropy is the mutual information, which measures which information of subsystem A is contained in subsystem ...for entanglement entropy satisfies some inequalities that set ... See full document

... ansatz integrable model, where infinitely many conservation laws exist and a quasiparticle description is ...includes quantum chains (see ...in integrable models, with local entropy ... See full document

... of quantum spin chains. A quantum spin chain is a one- dimensional array of particles with spin degrees of free- dom and, for our purposes, with nearest- (or few-nearest- ) neighbour interactions (this is a ... See full document

... in integrable cases, suggest how higher particle form factors may be obtained from lower particle ...the entanglement entropy, both in the bulk and boundary ...the entanglement entropy ... See full document

... study quantum many-body physics ...to entanglement, of (spinful) fermionic atoms in optical lattices for both equilibrium and non-equilibrium ...many-body systems in one- dimensional (1D) or ... See full document

... This paper is based on a talk at the XXIV International Workshop High Energy Physics and Quantum Field Theory at Sochi, Russia on 22 – 29 September 2019. Author would like to thank the organizers of QFTHEP’2019 ... See full document

... a quantum system is of great importance for various practical implementations of quantum mechanics, most importantly for the development of quantum computers ...the quantum information, one ... See full document

... of quantum entanglement goes beyond equilibrium phenom- ...of quantum chaos once again initiated a cross-fertilization among quantum information, condensed matter physics and high energy ...in ... See full document

... extended quantum systems near to critical points, the entanglement entropy has turned out to reveal funda- mental properties of ground ...a quantum system of dimensionality D ≥ 2 with ... See full document

... of quantum systems which relates to the outcomes of local measurements: performing a local measurement may affect the outcome of local mea- surements far ...between quantum and classical ...taken ... See full document

... A real system is seldom composed by few components, hence quantum mechan- ics would seem powerless in predicting any outcomes of an experiment. For- tunately in a great deal of cases interactions between ... See full document

... The entropy in both regions of values of k was computed in [38] whereas in [19] only the h < 1 regime was ...the entropy when h approaches ...the entropy is the same both for h > 1 and h < 1 ... See full document

... bi-partite entanglement entropy between a connected region and its ...for integrable quantum field theories possessing diagonal scattering ...to integrable models with backscattering ... See full document

... of entanglement in many-body systems has already been addressed and discussed in the literature: for instance, see (Amico et ...to quantum-enhanced ...discussion, systems of indistinguishable ... See full document

... of quantum states, so that the results you want enhanced, making unnecessary results weakened, so the results you want at the time of measurement will occur in the higher probability, In the whole calculation ... See full document

... describe quantum ~spin! systems, arguments for the existence of quantum-mechanical action and frequency operators in sys- tems with a single degree of freedom have been put ...to systems with ... See full document