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Tomsovic, Steven ; Urbina, Juan Diego ; Richter, Klaus

Controlling quantum chaos: time-dependent kicked rotor

Tomsovic, Steven , Urbina, Juan Diego und Richter, Klaus (2023) Controlling quantum chaos: time-dependent kicked rotor. Phys. Rev. E 108 (4), 044202.

Veröffentlichungsdatum dieses Volltextes: 17 Okt 2023 06:50
Artikel
DOI zum Zitieren dieses Dokuments: 10.5283/epub.54830

Dies ist die aktuelle Version dieses Eintrags.


Zusammenfassung

One major objective of controlling classical chaotic dynamical systems is exploiting the system’s extreme sensitivity to initial conditions in order to arrive at a predetermined target state. In a recent Letter [Phys. Rev. Lett. 130, 020201 (2023)], a generalization of this targeting method to quantum systems was demonstrated using successive unitary transformations that counter the natural ...

One major objective of controlling classical chaotic dynamical systems is exploiting the system’s extreme sensitivity to initial conditions in order to arrive at a predetermined target state. In a recent Letter [Phys. Rev. Lett. 130, 020201 (2023)], a generalization of this targeting method to quantum systems was demonstrated using successive unitary transformations that counter the natural spreading of a quantum state. In this paper further details are given and an important quite general extension is established. In particular, an alternate approach to constructing the coherent control dynamics is given, which introduces a time-dependent, locally stable control Hamiltonian that continues to use the chaotic heteroclinic orbits previously introduced, but without the need of countering quantum state spreading. Implementing that extension for the quantum kicked rotor generates a much simpler approximate control technique than discussed in the Letter, which is a little less accurate, but far more easily realizable in experiments. The simpler method’s error can still be made to vanish as ℏ→0.



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Details

DokumentenartArtikel
Titel eines Journals oder einer ZeitschriftPhys. Rev. E
Verlag:American Physical Society
Band:108
Nummer des Zeitschriftenheftes oder des Kapitels:4
Seitenbereich:044202
Datum4 Oktober 2023
InstitutionenPhysik > Institut für Theoretische Physik > Lehrstuhl Professor Richter > Arbeitsgruppe Klaus Richter
Identifikationsnummer
WertTyp
10.1103/PhysRevE.108.044202DOI
2305.14187arXiv-ID
Stichwörter / Keywordsquantum control, quantum chaos, semiclassical mechanics
Dewey-Dezimal-Klassifikation500 Naturwissenschaften und Mathematik > 530 Physik
StatusVeröffentlicht
BegutachtetJa, diese Version wurde begutachtet
An der Universität Regensburg entstandenZum Teil
URN der UB Regensburgurn:nbn:de:bvb:355-epub-548304
Dokumenten-ID54830

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