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Spectrum of periodic chain graphs with time-reversal non-invariant vertex coupling
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-i...
Nuclear physics
- 2022 •
- Jimp •
- Link
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Jimp - Článek v periodiku v databázi Web of Science
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Cairo lattice with time-reversal non-invariant vertex couplings
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 consider...
Applied mathematics
- 2024 •
- Jimp •
- Link
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Jimp - Článek v periodiku v databázi Web of Science
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Topological bulk-edge effects in quantum graph transport
We examine quantum transport in periodic quantum graphs with a vertex coupling non-invariant with respect to time reversal. It is shown that the graph topology may play a decisive role in the conductivity propertie...
Applied mathematics
- 2020 •
- Jimp •
- Link
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Jimp - Článek v periodiku v databázi Web of Science
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Magnetic square lattice with vertex coupling of a preferred orientation
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 pe...
Pure mathematics
- 2023 •
- Jimp •
- Link
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Jimp - Článek v periodiku v databázi Web of Science
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Magnetic ring chains with vertex coupling of a preferred orientation
We discuss spectral properties of a 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...
Applied mathematics
- 2022 •
- Jimp •
- Link
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Jimp - Článek v periodiku v databázi Web of Science
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Microwave billiards with broken time reversal invariance.
Annotation not available...
BG - Jaderná, atomová a molekulová fyzika, urychlovače
- 1996 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Acoustic wave focusing in complex media using Nonlinear Time Reversal coded signal processing
for improving Non Destructive Testing (NDT) methods derived from Nonlinear Elastic Wave Spectroscopy (NEWS). Using symmetry invariance, nonlinear Time Reversal (TRNonlinear Time Reversal in syste...
JS - Řízení spolehlivosti a kvality, zkušebnictví
- 2014 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Vertex coupling interpolation in quantum chain graphs
We analyze the band spectrum of the periodic quantum graph in the form of a chain of rings connected by line segments with the vertex coupling which violates the time reversal invariance, interpolating between the delta cou...
Applied mathematics
- 2024 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
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Time reversal acoustic used to defect detection in structures
Time reversal acoustics (TRA) method application in defects detection is described in the paper. Non-linear version of the TRA is discussed primarily....
BI - Akustika a kmity
- 2006 •
- D
Rok uplatnění
D - Stať ve sborníku
Proving non-termination by program reversal
syntactic reversal of the program's transition system followed by a constraint-based invariant synthesis with constraints coming from both the original and the reversedWe present a new approach to proving non-term...
Computer sciences, information science, bioinformathics (hardware development to be 2.2, social aspect to be 5.8)
- 2021 •
- D •
- Link
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D - Stať ve sborníku
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