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We study the impact of double and triple scattering contributions on coherent backscattering of laser light from saturated isotropic atoms, in the helicity preserving polarization channel. Using the recently proposed diagrammatic pump-probe…

Quantum Physics · Physics 2015-04-28 Andreas Ketterer , Andreas Buchleitner , Vyacheslav N. Shatokhin

This paper investigates the problem of estimating the spectral power parameters of random analog sources using numerical measurements acquired with minimum digitization complexity. Therefore, spectral analysis has to be performed with…

Signal Processing · Electrical Eng. & Systems 2019-10-29 Manuel S. Stein

Optical-optical double-resonance (OODR) spectroscopy using a narrow-linewidth pump and a frequency comb probe has previously been used to measure and assign sub-Doppler transitions in the 3${\nu}$${_3}$ ${\Leftarrow}$ ${\nu}$${_3}$ spectral…

Chemical Physics · Physics 2025-12-08 Kevin K. Lehmann , Isak Silander , Adrian Hjältén , Michael Rey , Aleksandra Foltynowicz

We propose a new mode of operation of an electron pump consisting of two weakly coupled quantum dots connected to reservoirs. An electron can be transferred within the device at zero bias voltage when it is subjected to electromagnetic…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 B. L. Hazelzet , M. R. Wegewijs , T. H. Stoof , Yu. V. Nazarov

We investigate the intraband nonlinear dynamics in doped bilayer graphene in the presence of strong, linearly-polarized, in-plane terahertz fields. We perform degenerate pump-probe experiments with 3.4 THz fields on doped bilayer graphene…

Mesoscale and Nanoscale Physics · Physics 2022-02-08 Angelika Seidl , Roozbeh Anvari , Marc M. Dignam , Peter Richter , Thomas Seyller , Harald Schneider , Manfred Helm , Stephan Winnerl

The uncorrelated (``sequential'') and correlated (``nonsequential'') double ionization of the H2 molecule in strong laser pulses is investigated using the tools of nonlinear dynamics. We focus on the phase-space dynamics of this system,…

Chaotic Dynamics · Physics 2009-11-30 François Mauger , Cristel Chandre , T. Uzer

Two-color laser fields offer significantly enhanced control over electron excitation dynamics under ultrashort intense laser pulses compared to monochromatic fields. However, their strong nonlinearity necessitates computationally expensive…

Optics · Physics 2025-07-03 Mizuki Tani , Kenichi L. Ishikawa , Tomohito Otobe

We study experimentally the influence of the intensity of the infrared (IR) probe field on attosecond pulse train (APT) phase measurements performed with the RABITT method (Reconstruction of Attosecond Beating by Interference in Two-Photon…

Atomic Physics · Physics 2009-07-22 M. Swoboda , J. M. Dahlstrom , T. Ruchon , P. Johnsson , J. Mauritsson , K. J. Schafer , A. L'Huillier

Double-resonance optically pumped magnetometers are an attractive instrument for unshielded magnetic field measurements due to their wide dynamic range and high sensitivity. Use of linearly polarised pump light creates alignment in the…

Atomic Physics · Physics 2018-09-26 Stuart J. Ingleby , Carolyn O'Dwyer , Paul F. Griffin , Aidan S. Arnold , Erling Riis

We discover an unexpected behavior in a hybrid system composed of cavity strongly coupled to molecules and subjected to high intensity coherent pumping. We show that if the frequency of the pumping wave is close to polariton transitions in…

Quantum Physics · Physics 2025-05-09 I. S. Pashkevich , I. V. Doronin , A. A. Zyablovsky , E. S. Andrianov

Purpose: This work proposes a novel RF pulse design for parallel transmit (pTx) systems to obtain uniform saturation of semisolid magnetization for Magnetization Transfer (MT) contrast in the presence of transmit field ($B_1^+$)…

Porous or biological materials comprise a multitude of micro-domains containing water. Diffusion-weighted magnetic resonance measurements are sensitive to the anisotropy of the thermal motion of such water. This anisotropy can be due to the…

Applied Physics · Physics 2021-05-05 Cem Yolcu , Magnus Herberthson , Carl-Fredrik Westin , Evren Özarslan

Symmetry energy for asymmetric nuclear matter at subsaturation densitieswas investigated in the framework of an isospin-dependent quantum molecular dynamics model.Asingle ratio of neutrons and protons is comparedwith the experimental data…

Nuclear Theory · Physics 2011-11-18 Sanjeev Kumar , Y. G. Ma , G. Q. Zhang , C. L. Zhou

We propose a novel scheme for probing vibronic coherence in charge migration in molecules utilizing strong field sequential double ionization. To demonstrate the feasibility of this approach, we perform full simulations of a pump-probe…

Atomic Physics · Physics 2024-01-09 C. H. Yuen , C. D. Lin

Low dimensionality in CDW systems leads to anisotropic optical properties, in both equilibrium and non-equilibrium conditions. Here we perform polarized two-color pump probe measurements on a quasi-1D material ZrTe$_3$, in order to study…

Strongly Correlated Electrons · Physics 2023-10-20 Li Yue , Amrit Raj Pokharel , Jure Demsar , Sijie Zhang , Yuan Li , Tao Dong , Nanlin Wang

The importance of accounting for an ambipolar electrostatic potential or a non-uniform density profile for modelling of inductively coupled discharges is demonstrated. A drastic enhancement is observed of the power transfer into plasma for…

Plasma Physics · Physics 2007-05-23 Oleg V. Polomarov , Constantine E. Theodosiou , Igor D. Kaganovich

We use a non-perturbative theoretical approach to the parametric down-conversion (PDC) process, which generates entangled-photon field for an arbitrarily strong pump-pulse. This approach can be used to evaluate multi-point field correlation…

Chemical Physics · Physics 2025-10-22 Deependra Jadoun , Upendra Harbola , Vladimir Y. Chernyak , Shaul Mukamel

We investigate the displacements of a probe particle inside a glass, when a strong external force is applied to the probe (active nonlinear microrheology). Calculations within mode coupling theory are presented for glasses of hard spheres…

Soft Condensed Matter · Physics 2012-07-09 Christian J. Harrer , Antonio M. Puertas , Thomas Voigtmann , Matthias Fuchs

Vacuum birefringence is one of the most striking predictions of strong field quantum electrodynamics: Probe photons traversing a strong field region can indirectly sense the applied "pump" electromagnetic field via quantum fluctuations of…

High Energy Physics - Phenomenology · Physics 2016-07-08 Felix Karbstein , Chantal Sundqvist

The possibility of an inhomogeneous charge density wave phase is investigated in a system of two coupled electron and hole monolayers separated by a hexagonal boron nitride insulating layer. The charge density wave state is induced through…

Mesoscale and Nanoscale Physics · Physics 2018-12-26 S. Saberi-Pouya , M. Zarenia , T. Vazifehshenas , F. M. Peeters