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Related papers: Intracycle and Intercycle Interferences in Above-T…

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Recent experiments on inelastic light scattering in a number of insulating cuprates [1] revealed a new excitation appearing in the case of crossed polarizations just below the optical absorption threshold. This observation suggests that…

Condensed Matter · Physics 2009-10-22 D. V. Khveshchenko , P. B. Wiegmann

Time-dependent nonequilibrium properties of a strongly correlated electron system driven by large electric fields is obtained by means of solving the time-dependent Schr\"odinger equation for the many-body wave function numerically in one…

Strongly Correlated Electrons · Physics 2009-11-10 Takashi Oka , Ryotaro Arita , Hideo Aoki

We find that energy surfaces of more than two atoms or molecules interacting via dipole-dipole po- tentials generically possess conical intersections (CIs). Typically only few atoms participate strongly in such an intersection. For the…

Atomic Physics · Physics 2013-05-29 S. Wüster , A. Eisfeld , J. M. Rost

Reradiation of a spatially non-uniform ultrashort electromagnetic pulse interacting with the linear chain of multielectron atoms is studied in the framework of sudden perturbation approximation. Angular distributions of the reradiation…

Atomic Physics · Physics 2018-10-16 V. I. Matveev , D. U. Matrasulov

We study Bragg scattering at 1D atomic lattices. Cold atoms are confined by optical dipole forces at the antinodes of a standing wave generated inside a laser-driven cavity. The atoms arrange themselves into an array of lens-shaped layers…

Quantum Physics · Physics 2009-11-11 S. Slama , C. von Cube , M. Kohler , C. Zimmermann , Ph. W. Courteille

We develop a model for the effect of a magnetic field on quasiparticle interference in an iron-based superconductor. Recently, scanning tunneling experiments have been performed on Fe(Se,Te) to determine the relative sign of the…

Superconductivity · Physics 2011-08-16 Steffen Sykora , Piers Coleman

We consider tunnel ionization of an atom or molecule in a strong field within an analytical treatment of the R-matrix method, in which an imaginary boundary is set up inside the classically forbidden region that acts as a source of ionized…

Quantum Physics · Physics 2016-11-26 Emilio Pisanty

Co-channel interference in the downlink of LiFi attocell networks significantly decreases the network performance in terms of rate. Analysis of multiple access schemes is essential to mitigate interference and improve rate. The light…

Information Theory · Computer Science 2020-07-21 Atchutananda Surampudi

We report on the observation of subcycle interferences of electron wave packets released during the strong field ionization of H$_2$ with cycle-shaped two-color laser fields. With a reaction microscope, channel-resolved photoelectron…

Chemical Physics · Physics 2016-12-08 Xinhua Xie , Stefan Roither , Daniil Kartashov , Li Zhang , Andrius Baltuška , Markus Kitzler

The present tutorial provides an overview of the time-dependent configuration interaction singles (\acs{TDCIS}) scheme applied to nonlinear ionization over a broad photon-energy range. The efficient propagation of the wave function and the…

Quantum Physics · Physics 2017-02-09 Antonia Karamatskou

We describe a three-dimensional crystalline topological insulator (TI) phase of matter that exhibits spontaneous polarization. This polarization results from the presence of (approximately) flat bands on the surface of such TIs. These flat…

Materials Science · Physics 2021-06-16 J. Nissinen , Tero T. Heikkila , G. E. Volovik

The intensity-dependent resonance-like enhancement phenomenon in high-order above-threshold ionization spectrum is a typical quantum effect for atoms or molecules in the intense laser field, which has not been well understood. The…

Atomic Physics · Physics 2019-06-28 Long Xu , Libin Fu

Intrinsically broken symmetries in the bulk of topological insulators (TIs) are manifested in their surface states. In spite of particle-hole asymmetry in TIs, it has often been assumed that their surface states are characterized by a…

Mesoscale and Nanoscale Physics · Physics 2024-09-02 Mahmoud M. Asmar , Gaurav Gupta , Wang-Kong Tse

Two-photon interference with independent classical sources, in which superposition of two indistinguishable two-photon paths plays a key role, is of limited visibility of interference fringes with a maximum value of 50%. By using a…

Optics · Physics 2016-12-21 Peilong Hong , Lei Xu , Zhaohui Zhai , Guoquan Zhang

Intercalation of polyatomic molecules into a superconductor can drastically affect the properties of the compound. A mechanism leading to a large increase in Tc for such systems is proposed. It explains the recent remarkable observation of…

Superconductivity · Physics 2009-11-07 A. Bill , V. Z. Kresin

Electron quantum path interferences in strongly laser-driven aligned molecules and their dependence on the molecular alignment is an essential open problem in strong-field molecular physics. Here, we demonstrate an approach which provides…

The equations describing the T-violating photon scattering by a diffraction grating have been obtained. It is shown, that the T-violating rotation of the photon polarization plane appear under diffraction in a noncenter symmetrical…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. G. Baryshevsky

The wave function of an atom passed through a diffraction grating acquires a regular space structure and the interaction of another particle with this atom can be thought of as scattering on a 'quantum grating' composed of a single atom.…

Quantum Physics · Physics 2020-02-24 S. F. Zhang , B. Najjari , X. Ma , A. B. Voitkiv

Molecular transistors have the potential for switching with lower gate voltages than conventional field-effect transistors. We have calculated the performance of a single-molecule device in which there is interference between electron…

Mesoscale and Nanoscale Physics · Physics 2016-07-28 Ying Li , Jan Mol , Simon Benjamin , Andrew Briggs

In this work, we have theoretically investigated the intermixing effect in highly strained In$_{0.3}$Ga$_{0.7}$As/GaAs quantum well (QW) taking into consideration the composition profile change resulting from in-situ indium surface…

Mesoscale and Nanoscale Physics · Physics 2015-10-23 M. Souaf , M. Baira , H. Maaref , B. Ilahi