Quantum phase transitions
DMRG algorithm and quantum phase transitions
... and phase diagram of many body systems which is itself a complicated task since the number of variables needed to describe a state completely grows exponentially with the number of ...
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The Use of Entanglement Entropy to Classify Quantum Phase Transitions in 1D Ultracold Spinor Bosons
... a quantum-information-tool suitable to identify and characterize quantum-phases and phase transitions in a broad set of lattice models relevant in condensed-matter ...field-induced ...
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Quantum Phase Transitions in the Interacting Boson Model : Integrability, level repulsion and level crossing
... or quantum invariants and their eigenvalues are the conserved quan- tities that completely label a unique basis of common ...of quantum many-body ...be quantum integrable [11]. The quantum ...
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Entanglement of the ground state and the quantum phase transition in the dicke model
... In this work we set out to study entanglement, a valuable resource in quan- tum information theory, in relation to the second order quantum phase tran- sition in the exact Dicke model. The motivation comes ...
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Phase transitions and critical points in the rare-earth region
... of quantum phase transitions in atomic nuclei has emerged [1, 2, 3, ...the phase transition from spherical to γ - unstable shapes while X(5) [6] is designed to describe systems lying at the ...
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Local quantum measurement discrimination
... The quantum dynamical semigroup defined by Eq. 共3兲 has an invariant subspace, the decoherence free subspace 共DFS兲: it is the set of all states which are not affected by the squeezed bath. In our particular case ...
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Entanglement and Quantum Cryphtography
... One has to consider the most general attack where Eve can perform any kind of interaction. In this case, Alice and Bob cannot assume to share N copies of the same quantum state. Compared to the previous attacks, ...
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Modelling quantum black holes
... In this paper, we have approached the question of quantum black hole through straightforward analysis of quantum theory on manifolds with boundaries or equiv- alently singular potentials. While our study is ...
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Protección Auditiva Quantum Silicona
... Sistema de anclaje lateral doble a la copa: equilibra la presión sobre la oreja y permite una regulación precisa de la altura,.. rotación y ángulo.[r] ...
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Quantum Error Correction - Decoders
... Abstract. Error correction is used to correct any errors that may arise when sending any message, as errors are prone to appear due to noise. For classical codes, there are many decoders used, for example, belief ...
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Optics and Quantum Electronics
... Using pulses as short as 16 fs, generated in our laboratory by optical fiber compression, we have performed the first, femtosecond time-resolved reflectornetry measu[r] ...
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Optics and Quantum Electronics
... Picosecond pulses from this system are being used for pump-probe studies of active, semiconductor diode laser devices.. Effort is also presently directed at achieving [r] ...
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El QUANTUM de la pena en la terminacion anticipada
... el quantum de la sanción a imponer previa su aceptación, a cambio de lo cual se le reconoce un descuento de una sexta parte de la pena concreta o a imponer, la cual resulta viable acumular con la rebaja por ...
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Discovering quantum causal models
... A number of authors have contributed in important ways to the development of causal modelling, notably Spirtes et al. ([2000]), Woodward ([2003]), and Pearl ([2000]). We shall follow the physicists here and use Pearl’s ...
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A quantum exchange bias model
... In this paper, we will succinctly review semi-classical approaches that have been put forward and present, in detail, a theory based on the idea that quantum fluctuations lead to a two-dimensional dipole moment ...
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Quantum engineering of light
... atomic transitions to obtain full control of atoms and ...in quantum optics to tailor the quantum state of atoms and molecules can be used as well for probing the presence of few molecules in ...
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Topological Quantum Numbers Arising from Symmetries. Application to Quantum Hall Effect
... Spatial Adiabatic Perturbation Theory (SAPT) Hofstadter model.. Harper model.[r] ...
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VERSION IN ENGLISH – EARLY CHILDHOOD TRANSITIONS: EXECUTIVE SUMMARY
... to transitions lie in the following: (i) Staff ability and competence to implement a non-prescriptive curriculum that demands greater effort from them as teachers, or from the staff in charge, to translate it into ...
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Labour market transitions and wage dynamics in Europe
... Two features of the ECHP may help to throw light upon the link between job mobility and wage dynamics. On the one hand, it is a longitudinal dataset, which is a basic requirement for tackling longitudinal issues, such as ...
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Confinement deconfinement transitions for two dimensional Dirac particles
... The proof of Theorem 3 is, in contrast, based on the√ construction of a Weyl sequence of functions localized around points xn n∈N where |V xn | ≈ 2k|Bxn |, i.e., the points where the pot[r] ...
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