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Radiative backpropagation-based (RB) methods efficiently compute reverse-mode derivatives in physically-based differentiable rendering by simulating the propagation of differential radiance. A key assumption is that differential radiance is…

Graphics · Computer Science 2025-07-03 Markus Worchel , Ugo Finnendahl , Marc Alexa

Recent experimental measurements, without any theoretical guidance, showed that isotropic polarization response can be achieved by increasing the number of QD layers in a QD stack. Here we analyse the polarization response of multi-layer…

Materials Science · Physics 2011-09-26 Muhammad Usman , Tomoya Inoue , Yukihiro Harda , Gerhard Klimeck , Takashi Kita

We present photoluminescence studies of the molecular neutral biexciton-exciton spectra of individual vertically stacked InAs/GaAs quantum dot pairs. We tune either the hole or the electron levels of the two dots into tunneling resonances.…

Other Condensed Matter · Physics 2007-11-08 M. Scheibner , I. V. Ponomarev , E. A. Stinaff , M. F. Doty , A. S. Bracker , C. S. Hellberg , T. L. Reinecke , D. Gammon

We study the resonant scattering for discrete time quantum walks on graphs with some tails. In our arguments, we reduce the study of resonances to the perturbation of eigenvalues of a finite rank matrix associated with the internal graph.…

Mathematical Physics · Physics 2026-05-14 Kenta Higuchi , Ryuta Ishikawa , Hisashi Morioka , Etsuo Segawa , Eijirou Yoshimura

We present a comprehensive study of the optical transitions and selection rules of variably charged single self-assembled InAs/GaAs quantum dots. We apply high resolution polarization sensitive photoluminescence excitation spectroscopy to…

Mesoscale and Nanoscale Physics · Physics 2012-08-28 Y. Benny , Y. Kodriano , E. Poem , T. A. Truong , P. M. Petroff , D. Gershoni

Single strain-induced quantum dots are isolated for optical experiments by selective removal of the inducing InP islands from the sample surface. Unpolarized emission of single, bi- and triexciton transitions are identified by…

Mesoscale and Nanoscale Physics · Physics 2010-11-09 F. J. R. Schülein , A. Laucht , J. Riikonen , M. Mattila , M. Sopanen , H. Lipsanen , J. J. Finley , A. Wixforth , H. J. Krenner

We solve the inverse differential Galois problem over differential fields with a large field of constants of infinite transcendence degree over ${\mathbb Q}$. More generally, we show that over such a field, every split differential…

Commutative Algebra · Mathematics 2023-06-22 Annette Bachmayr , David Harbater , Julia Hartmann , Florian Pop

In this paper explicit decompositions are provided of the Weyl reflections in affine Lie algebras, in terms of fundamental Weyl reflections.

q-alg · Mathematics 2009-10-30 J. Rasmussen

We study the electronic and optical properties of laterally coupled InGaAs/GaAs quantum dot molecules under lateral electric field. We find that electrons perceive the double-dot structure as a compound single object, while the holes…

In mathematical physics, the space-fractional diffusion equations are of particular interest in the studies of physical phenomena modelled by L\'{e}vy processes, which are sometimes called super-diffusion equations. In this article, we…

Numerical Analysis · Mathematics 2018-01-03 X. G. Zhu , Z. B. Yuan , F. Liu , Y. F. Nie

The noise spectra associated with correlations of the current through a single level quantum dot, and with the charge fluctuations on the dot, are calculated for a finite bias voltage. The results turn out to be sensitive to the asymmetry…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 E. A. Rothstein , O. Entin-Wohlman , A. Aharony

The paper investigates solutions of the fractional hyperbolic diffusion equation in its most general form with two fractional derivatives of distinct orders. The solutions are given as spatial-temporal homogeneous and isotropic random…

Probability · Mathematics 2023-10-09 Nikolai Leonenko , Andriy Olenko , Jayme Vaz

In this article we present a theoretical study for Fraunhofer diffraction of a Laguerre-Gaussian laser beam with zeroth radial mode number and azimuthal mode number l by diffractive grating with embedded fork-shaped dislocations of integer…

Optics · Physics 2015-05-20 Suzana Topuzoski , Ljiljana Janicijevic

We develop a linear algebraic framework for the shape-from-shading problem, because tensors arise when scalar (e.g. image) and vector (e.g. surface normal) fields are differentiated multiple times. The work is in two parts. In this first…

Computer Vision and Pattern Recognition · Computer Science 2017-05-18 Daniel Niels Holtmann-Rice , Benjamin S. Kunsberg , Steven W. Zucker

The discrete spectrum of a q-analogue of the hydrogen atom is obtained from a deformation of the Pauli equations. As an alternative, the spectrum is derived from a deformation of the four-dimensional oscillator arising in the application of…

Quantum Physics · Physics 2007-05-23 Maurice Robert Kibler , Tidjani Negadi

We report on the optical properties of single InAs/GaAs quantum dots emitting near the telecommunication O-band, probed via Coulomb blockade and non-resonant photoluminescence spectroscopy, in the presence of external electric and magnetic…

Mesoscale and Nanoscale Physics · Physics 2016-04-06 Luca Sapienza , Rima Al-Khuzheyri , Adetunmise Dada , Andrew Griffiths , Edmund Clarke , Brian D. Gerardot

This note is about the spectral properties of transfer operators associated to smooth hyperbolic dynamics. In the first two sections (written in 2006), we state our new results relating such spectra with dynamical determinants, first…

Dynamical Systems · Mathematics 2016-09-07 Viviane Baladi , Masato Tsujii

Under some assumptions, an analytic expression for the transmission spectrum can be obtained, which can form the basis of atmospheric retrievals and allows insight on the degeneracies involved. In this Research Note we present an…

Earth and Planetary Astrophysics · Physics 2018-08-17 Andrés Jordán , Néstor Espinoza

The theory of specular X-ray reflectivity from a rough interface based upon the reflection function method (RFM) is proposed. The RFM transforms the second order differential equation for the wave amplitude into the non-linear first order…

Materials Science · Physics 2007-05-23 N. V. Bagrets , E. A. Kravtsov , V. V. Ustinov
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