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Akademický článek
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Autor:
Fabrizio Ficuccilli, Lisa Fralleone, Augusto Lauro, Vito D'Andrea, Domenico Mascagni, Chiara Eberspacher, L. Tessieri
Publikováno v:
Digestive Diseases and Sciences. 66:3725-3729
Haemorrhoids, a common ailment afflicting mostly Western patients, can produce bothersome symptoms, in particular pain, pruritus, and bleeding. There is a wide choice of surgical treatment options available for haemorrhoids in patients that cannot be
Publikováno v:
New Journal of Physics, Vol 21, Iss 7, p 073041 (2019)
We consider two bidimensional random models characterised by the following features: (a) their Hamiltonians are separable in polar coordinates and (b) the random part of the potential depends either on the angular coordinate or on the radial one, but
Externí odkaz:
https://doaj.org/article/9ac4e47f6ef04aa5b48f592641839b2a
Akademický článek
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Publikováno v:
Physical Review A
Physical Review A, American Physical Society 2021, 103 (6), pp.063316. ⟨10.1103/PhysRevA.103.063316⟩
Physical Review A, American Physical Society 2021, 103 (6), pp.063316. ⟨10.1103/PhysRevA.103.063316⟩
It was recently shown that wavepackets with skewed momentum distribution exhibit a boomerang-like dynamics in the Anderson model due to Anderson localization: after an initial ballistic motion, they make a U-turn and eventually come back to their sta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f19dd55aec58f476410c4a0a09071a3f
https://hal.sorbonne-universite.fr/hal-03374598
https://hal.sorbonne-universite.fr/hal-03374598
Autor:
L. Tessieri, Felix M. Izrailev
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 97:401-408
We consider the one-dimensional Anderson model with weak disorder. Using the Hamiltonian map approach, we analyse the validity of the random-phase approximation for resonant values of the energy, E = 2 cos ( π r ) , with r a rational number. We expa
Publikováno v:
New Journal of Physics
New Journal of Physics, Institute of Physics: Open Access Journals, 2019, 21 (7), pp.073041. ⟨10.1088/1367-2630/ab2fd9⟩
New Journal of Physics, Institute of Physics: Open Access Journals, 2019, 21 (7), pp.073041. ⟨10.1088/1367-2630/ab2fd9⟩
We consider two bidimensional random models characterised by the following features: a) their Hamiltonians are separable in polar coordinates and b) the random part of the potential depends either on the angular coordinate or on the radial one, but n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::743a857a1947651a3744ae638970a182
https://hal.archives-ouvertes.fr/hal-02939862
https://hal.archives-ouvertes.fr/hal-02939862
Publikováno v:
Scopus-Elsevier
We study the band-center anomaly in the one-dimensional Anderson model with the disorder characterized by short-range positive correlations. Using the Hamiltonian map approach, we obtain analytical expressions for the localization length and the inva
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c443d5a614ab7ac628ab218bc69ab50d
http://dspace.nbuv.gov.ua/handle/123456789/129379
http://dspace.nbuv.gov.ua/handle/123456789/129379
Publikováno v:
Physica E: Low-dimensional Systems and Nanostructures. 42:2203-2210
We study the structure of the electronic states and the transport properties of a Kronig-Penney model with weak compositional and structural disorder. Using a perturbative approach we obtain an analytical expression for the localisation length which
Autor:
L. Tessieri, Felix M. Izrailev
Publikováno v:
Journal of Physics A: Mathematical and General. 39:11717-11738
We introduce a new approach to analyse the global structure of electronic states in quasi-1D models in terms of the dynamics of a system of parametric oscillators with time-dependent stochastic couplings. We thus extend to quasi-1D models the method