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- 1.0582330 - ÚJF 2024 CZ eng D - Thesis
Pekař, Jan
Quantum graphs with circulant vertex couplings.
Ústav jaderné fyziky AV ČR, v. v. i. Defended: Matematicko fyzikální fakulta UK. 09.06.2023. - Praha: Univerzita Karlova, Matematicko-fyzikální fakulta, 2023. 94 s.
Institutional support: RVO:61389005
Keywords : Quantum graphs * self-adjoint vertex coupling * time-reversal invariance * PT-symmetry * spectral properties * scattering properties * periodic systems
OECD category: Applied mathematics
http://hdl.handle.net/20.500.11956/181827
Permanent Link: https://hdl.handle.net/11104/0350443 - 2.0569020 - ÚJF 2024 RIV GB eng J - Journal Article
Znojil, Miloslav
Comment on 'The operational foundations of PT-symmetric and quasi-Hermitian quantum theory'.
Journal of Physics A-Mathematical and Theoretical. Roč. 56, č. 3 (2023), č. článku 038001. ISSN 1751-8113. E-ISSN 1751-8121
Institutional support: RVO:61389005
Keywords : PT symmetry * quasi-Hermiticity * effect algebras
OECD category: Applied mathematics
Impact factor: 2.1, year: 2022
Method of publishing: Open access
https://doi.org/10.1088/1751-8121/acb518
Permanent Link: https://hdl.handle.net/11104/0340301File Download Size Commentary Version Access 0569020.pdf 0 257.3 KB Open Access - CC licence Publisher’s postprint open-access - 3.0563843 - ÚJF 2023 RIV CH eng J - Journal Article
Znojil, Miloslav
Interference of Non-Hermiticity with Hermiticity at Exceptional Points.
Mathematics. Roč. 10, č. 20 (2022), č. článku 3721. E-ISSN 2227-7390
Institutional support: RVO:61389005
Keywords : non-Hermitian quantum mechanics of the closed and open systems * non-Hermitian and Hermitian components of the Hamiltonian * control of access to the exceptional point degeneracies and to the related quantum phase transitions * perturbation theory tractability of the matrix toy models exhibiting PT symmetry
OECD category: Pure mathematics
Impact factor: 2.4, year: 2022
Method of publishing: Open access
https://doi.org/10.3390/math10203721
Permanent Link: https://hdl.handle.net/11104/0335633File Download Size Commentary Version Access 0563843.pdf 0 449 KB Open Access - CC licence Publisher’s postprint open-access - 4.0555995 - ÚJF 2022 RIV GB eng C - Conference Paper (international conference)
Růžička, František - Agarwal, K. S. - Joglekar, Y. N.
Conserved quantities, exceptional points, and antilinear symmetries in non-Hermitian systems.
Journal of Physics: Conference Series. Vol. 2038. Bristol: IOP Publishing Ltd., 2021, č. článku 012021. ISSN 1742-6588.
[Virtual Seminar Series on Pseudo-Hermitian Hamiltonians in Quantum Physics, PTSeminar 2020. London (GB), 05.03.2020-05.03.2020]
Institutional support: RVO:61389005
Keywords : Hamiltonians * non-Hermitian * PT-symmetry
OECD category: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Permanent Link: http://hdl.handle.net/11104/0330362 - 5.0546250 - ÚJF 2022 RIV NL eng J - Journal Article
Exner, Pavel - Tater, Miloš
Quantum graphs: Self-adjoint, and yet exhibiting a nontrivial PT-symmetry.
Physics Letters. A. Roč. 416, NOV (2021), č. článku 127669. ISSN 0375-9601. E-ISSN 1873-2429
R&D Projects: GA ČR(CZ) GA21-07129S
Institutional support: RVO:61389005
Keywords : Quantum graph * PT-symmetry * Vertex coupling * Lattice transport properties
OECD category: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impact factor: 2.707, year: 2021
Method of publishing: Limited access
https://doi.org/10.1016/j.physleta.2021.127669
Permanent Link: http://hdl.handle.net/11104/0322793 - 6.0539479 - ÚJF 2022 RIV US eng J - Journal Article
Borisov, D. I. - Zezyulin, D. A. - Znojil, Miloslav
Bifurcations of thresholds in essential spectra of elliptic operators under localized non-Hermitian perturbations.
Studies in Applied Mathematics. Roč. 146, č. 4 (2021), s. 834-880. ISSN 0022-2526. E-ISSN 1467-9590
Institutional support: RVO:61389005
Keywords : self-adjoint differential operator * PT symmetry
OECD category: Pure mathematics
Impact factor: 2.343, year: 2021
Method of publishing: Limited access
https://doi.org/10.1111/sapm.12367
Permanent Link: http://hdl.handle.net/11104/0319480 - 7.0534015 - ÚJF 2021 RIV US eng J - Journal Article
Bian, Z. - Xiao, L. - Wang, K. - Onanga, F. A. - Růžička, František - Yi, W. - Joglekar, Y. N. - Xue, P.
Quantum information dynamics in a high-dimensional parity-time-symmetric system.
Physical Review A. Roč. 102, č. 3 (2020), č. článku 030201. ISSN 2469-9926. E-ISSN 2469-9934
Institutional support: RVO:61389005
Keywords : PT symmetry * exceptional points * dynamics
OECD category: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impact factor: 3.140, year: 2020
Method of publishing: Limited access
https://doi.org/10.1103/PhysRevA.102.030201
Permanent Link: http://hdl.handle.net/11104/0312234 - 8.0523763 - ÚJF 2021 RIV CH eng J - Journal Article
Znojil, Miloslav
Theory of Response to Perturbations in Non-Hermitian Systems Using Five-Hilbert-Space Reformulation of Unitary Quantum Mechanics.
Entropy. Roč. 22, č. 1 (2020), č. článku 80. E-ISSN 1099-4300
Institutional support: RVO:61389005
Keywords : hidden Hermiticity * Hilbert space metric * size of perturbations * stability * PT symmetry * nitary quantum evolution
OECD category: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impact factor: 2.524, year: 2020
Method of publishing: Open access
https://doi.org/10.3390/e22010080
Permanent Link: http://hdl.handle.net/11104/0308060File Download Size Commentary Version Access 0523763.pdf 0 367 KB Open Access - RoMEO Publisher’s postprint open-access - 9.0511652 - FZÚ 2020 RIV CH eng J - Journal Article
Peřina, Jan - Lukš, A.
Quantum behavior of a PT-symmetric two-mode system with cross-Kerr nonlinearity.
Symmetry-Basel. Roč. 11, č. 8 (2019), s. 1-12, č. článku 1020. E-ISSN 2073-8994
Institutional support: RVO:68378271
Keywords : nonlinearly coupled oscillators * PT symmetry * cross-Kerr nonlinearity * stability analysis * quantum properties
OECD category: Optics (including laser optics and quantum optics)
Impact factor: 2.645, year: 2019
Method of publishing: Open access
Permanent Link: http://hdl.handle.net/11104/0301882File Download Size Commentary Version Access 0511652.pdf 0 659.2 KB CC licence Publisher’s postprint open-access - 10.0504788 - ÚJF 2020 RIV US eng J - Journal Article
Contreras-Astorga, A. - Jakubský, Vít
Photonic systems with two-dimensional landscapes of complex refractive index via time-dependent supersymmetry.
Physical Review A. Roč. 99, č. 5 (2019), č. článku 053812. ISSN 2469-9926. E-ISSN 2469-9934
Institutional support: RVO:61389005
Keywords : wave guides * supersymmetry * PT symmetry
OECD category: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
Impact factor: 2.777, year: 2019
Method of publishing: Limited access
https://doi.org/10.1103/PhysRevA.99.053812
Permanent Link: http://hdl.handle.net/11104/0296339