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We study the photon blockade of two-photon scattering in a one-dimensional waveguide, which contains two atoms coupled via the Rydberg interaction. We obtain the analytic scattering solution of photonic wave packets with the Laplace…

Quantum Physics · Physics 2015-06-11 Jin-Feng Huang , Jie-Qiao Liao , C. P. Sun

The recoil of atoms in arrays due to the emission or absorption of photons is studied for sub-wavelength interatomic spacing. The atoms in the array interact with each other through collective dipole-dipole interactions and with the…

Quantum Physics · Physics 2021-05-18 Deepak A. Suresh , F. Robicheaux

We investigate the quantum interference effects of single photon transfer in two-atom cavity system caused by external excitation phase. In the proposed system, two identical atoms (with different positions in the optical cavity) are…

Quantum Physics · Physics 2017-06-28 Chun Xiao Zhou , Rui Zhang , Miao Di Guo , S. A. Moiseev , Xue Mei Su

Highly accurate quantum electron dynamics calculations demonstrate that energy can be efficiently transferred between quantum dots. Specifically, in a double quantum dot an incoming electron is captured by one dot and the excess energy is…

Mesoscale and Nanoscale Physics · Physics 2015-06-16 Federico M. Pont , Annika Bande , Lorenz S. Cederbaum

Resonance-enhanced multiphoton ionization (REMPI) in potassium atom is investigated within the strong coupling regime using photoelectron momentum imaging techniques. The kinetic energy distribution of the ionized electrons reveals the…

Atomic Physics · Physics 2025-03-10 Wankai Li , Yixuan Wang , Xing Li , Tao Yang , Dongdong Zhang , Dajun Ding

We study single-photon ionization of aligned H$_2^+$ in a high-frequency low-intensity laser field. We focus on the case where the laser frequency is not far larger than the ionization potential of the target. The calculated photoelectron…

Atomic Physics · Physics 2022-12-02 F. B. Zhang , J. Y. Che , W. Y. Li , C. Chen , Y. J. Chen

We calculate the photo-ionization cross-section from the ground state of the helium atom, using the complex rotation method and diagonalization of sparse matrices. This produces directly the positions and widths of the doubly excited 1Po…

chao-dyn · Physics 2009-10-31 Benoit Gremaud , Dominique Delande

We have studied the radiative decay of the 2s state of one-electron and one-muon ions, where the two-photon mechanism plays an important role. Due to the nuclear size corrections the radiative decay of the 2s state in the electron and muon…

Atomic Physics · Physics 2022-07-27 V. A. Knyazeva , K. N. Lyashchenko , M. Zhang , D. Yu , O. Yu. Andreev

We analyze the photovoltaic current through a double quantum dot system coupled to a high-quality driven microwave resonator. The conversion of photons in the resonator to electronic excitations produces a current flow even at zero bias…

Mesoscale and Nanoscale Physics · Physics 2013-03-28 Canran Xu , Maxim G. Vavilov

For a molecule, the two-center interference and the molecular scattering phase of the electron are important for almost all the processes that may occur in a laser field. In this study, we investigate their effects in the transfer of linear…

Atomic Physics · Physics 2018-12-19 Hao Liang , Mu-Xue Wang , Xiang-Ru Xiao , Qihuang Gong , Liang-You Peng

Photons in a nonlinear medium can repel or attract each other, resulting in a strongly correlated quantum many-body system. Typically, such strongly correlated states of light arise from the extreme nonlinearity granted by quantum emitters…

We show that the secondary electrons ejected from the ionization of heavy ions can be injected into the acceleration process that occurs at supernova remnant shocks. This electron injection mechanism works since ions are ionized during the…

High Energy Astrophysical Phenomena · Physics 2009-11-06 G. Morlino

It has been shown elsewhere that two spatially separated atoms can jointly absorb one photon, whose frequency is equal to the sum of the transition frequencies of the two atoms. We describe this process in the presence of an ensemble of…

Quantum Physics · Physics 2020-05-13 Vincenzo Macrí , Franco Nori , Salvatore Savasta , David Zueco

Formulas to describe the photoabsorption and the photon scattering by a plasma or a liquid metal are derived in a unified manner with each other. It is shown how the nuclear motion, the free-electron motion and the core-electron behaviour…

Materials Science · Physics 2009-10-31 Junzo Chihara

We have developed a two-electron outer region for use within R-matrix theory to describe double ionisation processes. The capability of this method is demonstrated for single-photon double ionisation of He in the photon energy region…

Atomic Physics · Physics 2015-08-12 Jack Wragg , J. S. Parker , H. W. van der Hart

Radiative recombination of a relativistic electron with a highly charged ion in the presence of an intense laser field is considered. Various relativistic effects, caused by the high energy of the incoming electron and its strong coupling…

Atomic Physics · Physics 2015-05-13 C. Müller , A. B. Voitkiv , B. Najjari

The transmission of two electrons through a region where they interact is found to be enhanced by a renormalization of the repulsive interaction. For a specific example of the single-particle Hamiltonian, which includes a strongly…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 O. Entin-Wohlman , A. Aharony , Y. Imry , Y. Levinson

Highly excited eigenstates of atoms and ions with open f shell are chaotic superpositions of thousands, or even millions of Hartree-Fock determinant states. The interaction between dielectronic and multielectronic configurations leads to…

Atomic Physics · Physics 2015-06-17 V. A. Dzuba , V. V. Flambaum , G. F. Gribakin , C. Harabati , M. G. Kozlov

It is of fundamental interest in controlling the light-matter interaction for a long time in the field of quantum information processing. However, usual excitation with the propagating photon can hardly excite a localized state of light…

Quantum Physics · Physics 2022-07-08 Han Xiao , Luojia Wang , Zhenghong Li , Xianfeng Chen , Luqi Yuan

We present a comprehensive study of the angular distribution of photons emitted during the resonant two-photon electron capture by H-like uranium ions. Focusing on the energies of incident electrons, at which the dielectronic recombination…

Atomic Physics · Physics 2024-12-02 K. N. Lyashchenko , O. Yu. Andreev , D. Yu