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We consider the elastic scattering of electrons by hydrogen atoms in the presence of a two-color circularly polarized laser field in the domain of moderate intensities below $10^{13}$ W/cm$^2$ and high projectile energies. A hybrid approach…

Atomic Physics · Physics 2023-06-16 Gabriela Buica

State-dependent optical tweezers can be used to trap a pair of molecules with a separation much smaller than the wavelength of the trapping light, greatly enhancing the dipole-dipole interaction between them. Here we describe a general…

Atomic Physics · Physics 2021-04-05 L. Caldwell , M. R. Tarbutt

The interaction between electronic and nuclear degrees of freedom in single-molecule junctions is an essential mechanism, which may result in the current-induced rupture of chemical bonds. As such, it is fundamental for the stability of…

Mesoscale and Nanoscale Physics · Physics 2020-11-25 André Erpenbeck , Yaling Ke , Uri Peskin , Michael Thoss

Interference of spin-up and spin-down eigenstates depicts spin rotation of electrons, which is a fundamental concept of quantum mechanics and accepts technological challenges for the electrical spin manipulation. Here, we visualize this…

Materials Science · Physics 2016-10-28 Kenta Kuroda , Koichiro Yaji , M. Nakayama , A. Harasawa , Y. Ishida , S. Watanabe , C. -T. Chen , T. Kondo , F. Komori , S. Shin

State-by-state cross sections for dissociative electron attachment and electron-impact dissociation for molecular oxygen are computed using ab initio resonance curves calculated with the R-matrix method. When O2 is in its vibrational ground…

Plasma Physics · Physics 2015-01-09 V. Laporta , R. Celiberto , J. Tennyson

The laser control of photodissociation branching in a diatomic molecule is demonstrated to be effectively achieved with use of the complete reflection phenomenon. The phenomenon and the control condition can be nicely formulated by the…

Quantum Physics · Physics 2007-05-23 Hiroshi Fujisaki , Yoshiaki Teranishi , Hiroki Nakamura

The dissociation dynamics of diatomic molecules interacting with (near) optical laser pulses of different duration is investigated by an elaborate discussion of the electric field of the laser and by a direct solution of the time-dependent…

Atomic Physics · Physics 2019-08-14 T. Fiedlschuster , J. Handt , E. K. U. Gross , R. Schmidt

Measuring and controlling the ionization dynamics by intense laser fields has recently led to important breakthroughs, from the investigation of tunneling time delays to attosecond molecular imaging by electron holography. In these…

We consider the Directed Coulomb Explosion regime of ion acceleration from ultra-thin double layer (high Z/low Z) mass limited targets. In this regime the laser pulse evacuated the electrons from the irradiated spot and accelerates the…

Plasma Physics · Physics 2010-07-23 S. S. Bulanov , D. W. Litzenberg , K. Krushelnick , A. Maksimchuk

A theoretical study of the intense-field single ionization of molecular hydrogen or deuterium oriented either parallel or perpendicular to a linear polarized laser pulse (400 nm) is performed for different internuclear separations and pulse…

Quantum Physics · Physics 2015-05-14 Yulian V. Vanne , Alejandro Saenz

The degree of entanglement of an electron with a hole in a vertically coupled self-assembled dot molecule is shown to be tunable by an external electric field. Using atomistic pseudopotential calculations followed by a configuration…

Materials Science · Physics 2009-11-11 Gabriel Bester , Alex Zunger

We introduce a method for the dissipative preparation of strongly correlated quantum states of ultracold atoms in an optical lattice via localized particle loss. The interplay of dissipation and interactions enables different types of…

Quantum Gases · Physics 2013-12-17 G. Kordas , S. Wimberger , D. Witthaut

The electronic structure of the ICl+ molecular ion is investigated by using high-level multireference configuration interaction (MRCI) method. To improve computational accuracy, Davidson corrections, spin-orbit coupling (SOC), and…

Atomic Physics · Physics 2025-11-25 Rui Li , Ronglong Dou , Ting Gao , Qinan Li , Chaoqun Song

We present a new mechanism contributing to the detection of photoassociated long-range Rydberg molecules via pulsed-field ionization: ionic products, created by the decay of a long-range Rydberg molecule, modify the excitation spectrum of…

Atomic Physics · Physics 2023-01-26 Michael Peper , Martin Trautmann , Johannes Deiglmayr

Dynamics of an electron beam head-on colliding with an ultraintense focused ultrashort circularly-polarized laser pulse are investigated in the quantum radiation-dominated regime. Generally, the ponderomotive force of the laser fields may…

Plasma Physics · Physics 2018-11-21 Yan-Fei Li , Yong-Tao Zhao , Karen Z. Hatsagortsyan , Christoph H. Keitel , Jian-Xing Li

Entangled photon pairs -- discrete light quanta that exhibit non-classical correlations -- play a crucial role in quantum information science (for example in demonstrations of quantum non-locality and quantum cryptography). At the…

Quantum Physics · Physics 2009-11-07 Antia Lamas-Linares , John C. Howell , Dik Bouwmeester

Coupled nanolasers are of growing interest for on-chip optical computation and data transmission, which requires an understanding of how lasers interact to form complex systems. The non-Hermitian interaction between two coupled resonators,…

The multiphoton ionization rate of molecules depends on the alignment of the molecular axis with respect to the ionizing laser polarization. By studying molecular frame photo-electron angular distributions from N$_2$, O$_2$ and benzene, we…

Chemical Physics · Physics 2015-06-15 C T L Smeenk , L Arissian , A V Sokolov , M Spanner , K F Lee , A Staudte , D M Villeneuve , P B Corkum

We report a combined experimental and theoretical study on the formation of O2+ by electronimpact double ionization and fragmentation of carbon dioxide (CO2) molecule. Through fragment ions and electron coincidence momentum imaging, we…

Atomic and Molecular Clusters · Physics 2025-09-09 Qibo Ma , Xintai Hao , Jiaqi Zhou , Xiaorui Xue , Qingrui Zeng , Peng Li , Lei Wang , Xueguang Ren

Controlled experimental studies of percolation are challenging due to difficulties in tuning site connectivity, isolating local interactions, and mitigating finite-size effects. In this work, we experimentally investigate percolation with a…