Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Baradaran, Marzieh"'
Autor:
Baradaran, Marzieh, Exner, Pavel
We analyze the spectrum of a periodic quantum graph of the Cairo lattice form. The used vertex coupling violates the time reversal invariance and its high-energy behavior depends on the vertex degree parity; in the considered example both odd and eve
Externí odkaz:
http://arxiv.org/abs/2312.13827
We analyze a square lattice graph in a magnetic field assuming that the vertex coupling is of a particular type violating the time reversal invariance. Calculating the spectrum numerically for rational values of the flux per plaquette we show how the
Externí odkaz:
http://arxiv.org/abs/2302.04601
We discuss spectral properties of an periodic quantum graph consisting of an array of rings coupled either tightly or loosely through connecting links, assuming that the vertex coupling is manifestly non-invariant with respect to the time reversal an
Externí odkaz:
http://arxiv.org/abs/2201.01502
Autor:
Baradaran, Marzieh, Exner, Pavel
We investigate spectral properties of periodic quantum graphs in the form of a kagome or a triangular lattice in the situation when the condition matching the wave functions at the lattice vertices is chosen of a particular form violating the time-re
Externí odkaz:
http://arxiv.org/abs/2106.16019
Publikováno v:
Ann. Phys. 443 (2022), 168992
We investigate spectral properties of quantum graphs in the form of a periodic chain of rings with a connecting link between each adjacent pair, assuming that wave functions at the vertices are matched through conditions manifestly non-invariant with
Externí odkaz:
http://arxiv.org/abs/2012.14344
We consider a family of Schr\"odinger operators supported by a periodic chain of loops connected either tightly or loosely through connecting links of the length $\ell>0$ with the vertex coupling which is non-invariant with respect to the time revers
Externí odkaz:
http://arxiv.org/abs/1912.03667
Akademický článek
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Autor:
Baradaran, Marzieh, Panahi, Hossein
In this paper, applying the Bethe ansatz method, we investigate the Schr\"odinger equation for the three quasi-exactly solvable double-well potentials, namely the generalized Manning potential, the Razavy bistable potential and the hyperbolic Shifman
Externí odkaz:
http://arxiv.org/abs/1712.06439
Publikováno v:
In Annals of Physics August 2022 443
Publikováno v:
Ann. Phys.-New York 388 (2018) 147-161
We completely solve the problem of classifying all one-dimensional quantum potentials with nearest- and next-to-nearest-neighbors interactions whose ground state is Jastrow-like, i.e., of Jastrow type but depending only on differences of consecutive
Externí odkaz:
http://arxiv.org/abs/1709.10326