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Three-dimensional hybrid PIC simulations are presented to study electron energy transport and deposition in a full-scale fast ignition configuration. Multi-prong core heating close to ignition is found when a few GA, few PW beam is…

Plasma Physics · Physics 2007-05-23 J. J. Honrubia , J. Meyer-ter-Vehn

Nonequilibrium conditions offer novel routes to superconductivity that are not available at equilibrium. For example, by engineering nonequilibrium electronic populations, pairing may develop between electrons in different energy bands. A…

Superconductivity · Physics 2020-12-21 A. Shtyk , G. Goldstein , C. Aron , C. Chamon

On the basis of a tight-binding model for a strongly disordered semiconductor with correlated conduction- and valence band disorder a new coherent dynamical intra-band effect is analyzed. For systems that are excited by two, specially…

Disordered Systems and Neural Networks · Physics 2009-11-07 C. Schlichenmaier , I. Varga , T. Meier , P. Thomas , S. W. Koch

We calculate the photoluminescence spectrum of a single semiconductor quantum dot strongly coupled to a continuum as a function of light frequency, gate voltage, and magnetic field. The spectrum is dominated by the recombination of several…

Strongly Correlated Electrons · Physics 2016-12-21 J. A. Andrade , A. A. Aligia , Pablo S. Cornaglia

The radiation of photons by electrons is investigated in the framework of quantum electrodynamics up to the second order in the coupling constant $e$. The $N$-particle, coherent, and thermal initial states are considered and the forms of…

High Energy Physics - Theory · Physics 2022-09-08 P. O. Kazinski , T. V. Solovyev

We present a generic theory of primary photoexcitations in low band gap donor-acceptor conjugated copolymers. Because of the combined effects of strong electron correlations and broken symmetry, there is considerable mixing between a…

Mesoscale and Nanoscale Physics · Physics 2016-01-01 Karan Aryanpour , Tirthankar Dutta , Uyen N. V. Huynh , Zeev Valy Vardeny , Sumit Mazumdar

The conductivity of organic semiconductors is measured {\it in-situ} and continuously with a bottom contact configuration, as a function of film thickness at various gate voltages. The depletion layer thickness can be directly determined as…

Materials Science · Physics 2009-11-10 Manabu Kiguchi , Manabu Nakayama , Toshihiro Shimada , Koichiro Saiki

We propose a new approach to coherent control of transport via molecular junctions, which bypasses several of the hurdles to experimental realization of optically manipulated nanoelectronics noted in the previous literature. The method is…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Boris D. Fainberg , Tamar Seideman

A third-order double-slit interference experiment with pseudo-thermal light source in the high-intensity limit has been performed by actually recording the intensities in three optical paths. It is shown that not only can the visibil- ity…

Quantum Physics · Physics 2015-06-16 Xi-Hao Chen , Wen Chen , Shao-Ying Meng , Wei Wu , Guang-Jie Zhai , Ling-An Wu

We employ polarization-shaped ultrafast optical pulses to generate photocurrents which only arise if the optically induced coherent polarization is frequency modulated. This frequency modulation is obtained via detuned excitation of…

Optics · Physics 2013-06-14 Shekhar Priyadarshi , Klaus Pierz , Mark Bieler

We propose a theory of optically-induced currents in dielectrics and wide-gap semiconductors exposed to a non-resonant ultrashort laser pulse with a stabilized carrier-envelope phase. In order to describe strong-field electron dynamics,…

Materials Science · Physics 2016-08-05 Stanislav Yu. Kruchinin , Michael Korbman , Vladislav S. Yakovlev

Two preceding parts of a paper (cond-mat/0508457, cond-mat/0508460) considered the heuristic values of recent experiments pointing to the nearly universal occurrence of photovoltages across solid surfaces under short-circuit conditions.…

Materials Science · Physics 2007-06-27 O. Ivanov , Eugene Leyarovski , V. Lovchinov , Chr. Popov , M. Kamenova , M. Georgiev

The three-photon Compton effect is studied. An incoming photon undergoes triple scattering off a free electron, which leads to the emission of three entangled photons. We investigate the properties of both the total cross section, assuming…

Quantum Physics · Physics 2014-05-08 E. Lötstedt , U. D. Jentschura

3D Compton scattering imaging is an upcoming concept exploiting the scattering of photons induced by the electronic structure of the object under study. The so-called Compton scattering rules the collision of particles with electrons and…

Numerical Analysis · Mathematics 2020-07-02 Gael Rigaud

We find the relation between the energy of the absorbed photon and the threshold current at which the resistive state appears in the current-carrying superconducting film with the probability about unity. In our calculations we use the…

Superconductivity · Physics 2014-11-18 D. Yu. Vodolazov

Although the absorption of light in a bulk homogeneous semiconductor produces photocarriers with non-zero momentum, it generally does not produce a current in the absence of an applied electric field because equal amounts of carriers with…

Other Condensed Matter · Physics 2025-11-10 Yiming Gong , Kai Wang , Steven T. Cundiff

This letter assigns the Faraday rotation in photoexcited semiconductors to ``Pauli interactions'', \emph{i}. \emph{e}., carrier exchanges, between the real excitons present in the sample and the virtual excitons coupled to the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. Combescot , O. Betbeder-Matibet

We propose a kinetic theory to describe the power dependence, $I_{PC}(P)$, of the photocurrent (PC) lineshape in optically pumped quantum dots at low temperatures, in both zero and finite magnetic fields. We show that there is a crossover…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 A. Russell , Vladimir I. Fal'ko

A theory for the phenomena observed in Copper-Oxide based high temperature superconducting materials derives an elusive time-reversal and rotational symmetry breaking order parameter for the observed pseudogap phase ending at a…

Condensed Matter · Physics 2009-10-31 C. M. Varma

Experiments often show that the photoconductance $\sigma$ of a semiconductor system and the light intensity $I$ are related by $\sigma\sim I^\gamma$. Conventional theories give a satisfactory explanation for $\gamma=1$ or $\gamma=1/2$, but…

Other Condensed Matter · Physics 2010-06-15 Michael Wilkinson