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200 papers

A tutorial introduction into the principles of Orbital Physics in strongly correlated transition metal oxides.

Strongly Correlated Electrons · Physics 2022-01-25 Andrzej M. Oleś

We have developed a simple and straightforward way to realize controlled post-doping towards 2D transition metal dichalcogenides (TMDs). The key idea is to use low-kinetic energy dopant beams and a high-flux chalcogen beam at the same time,…

Two-level systems (TLS) of unclear physical origin are a major contributor to decoherence in superconducting qubits. The interactions of individual TLS with a qubit can be detected via various spectroscopic methods, most of which have…

We present the geometry and symmetries of radiative transfer theory. Our geometrization exploits recent work in the literature that enables to obtain the Hamiltonian formulation of radiative transfer as the semiclassical limit of a phase…

Mathematical Physics · Physics 2013-07-30 Christian Lessig , Alex L. Castro

We present an algorithm for two-dimensional radiative transfer in axisymmetric, circumstellar media. The formal integration of the transfer equation is performed by a generalization of the short characteristics (SC) method to spherical…

Astrophysics · Physics 2007-05-23 C. P. Dullemond , R. Turolla

Radiative Transfer (RT) effects play a crucial role in the thermal history of the intergalactic medium. Here I discuss recent advances in the development of numerical methods that introduce RT to cosmological hydrodynamics. These methods…

Astrophysics · Physics 2007-05-23 Tom Abel

We investigate probabilistic dense coding in non-symmetric Hilbert spaces of the sender's and the receiver's particles. The sender and the receiver share the multipartite non-maximally quantum channel. We also discuss the average…

Quantum Physics · Physics 2009-11-13 Qiu-Bo Fan , Shou Zhang

Two-dimensional materials with unique physicochemical properties promote photocatalytic activities. As the 2D material composites research studies the statistical average of complex catalytic behaviors, an integrated photonic platform…

Generalization of quantum information splitting protocol from qubits to qudits (quantum d-dimensional systems) is presented.

Quantum Physics · Physics 2007-05-23 Andrzej Grudka , Antoni Wojcik

We describe two separate wavelength discretization schemes that can be used in the numerical solution of the comoving frame radiative transfer equation. We present an improved second order discretization scheme and show that it leads to…

Astrophysics · Physics 2009-11-10 Peter H. Hauschildt , E. Baron

In this lecture I give a brief review of low-dimensional few-body problems recently encountered in attempting a quantitative description of ultracold atoms and molecules confined in 2D and 1D optical lattices. Multi-channel nature of these…

Computational Physics · Physics 2011-10-21 Vladimir S. Melezhik

Linearized Reed-Solomon codes are defined. Higher weight distribution of those codes are determined.

Information Theory · Computer Science 2015-05-28 Haode Yan , Yan Liu , Chunlei Liu

We describe a general radiative equilibrium and temperature correction procedure for use in Monte Carlo radiation transfer codes with sources of temperature-independent opacity, such as astrophysical dust. The technique utilizes the fact…

Astrophysics · Physics 2010-04-08 J. E. Bjorkman , Kenneth Wood

We give an analytic solution for the propagation of polarised radiation through a homogeneous water body. As corollaries we derive the vector bidirectional reflectance distribution function at the bottom of an infinitely deep water body and…

Optics · Physics 2019-12-04 Andrew Corbett

Parasitic two-level tunneling systems (TLS) emerge in amorphous dielectrics and constitute a serious nuisance for various microfabricated devices, where they act as a source of noise and decoherence. Here, we demonstrate a new test bed for…

Superconductivity · Physics 2017-09-19 Jan David Brehm , Alexander Bilmes , Georg Weiss , Alexey V. Ustinov , Jürgen Lisenfeld

The exotic properties of two-dimensional (2D) materials and 2D heterostructures, built by forming heterogeneous multi-layered stacks, have been widely explored across a number of subject matters following the goal to invent, design, and…

Mesoscale and Nanoscale Physics · Physics 2024-06-12 Chandraman Patil , Hamed Dalir , Jin Ho Kang , Albert Davydov , Chee Wei Wong , Volker J. Sorger

We consider ultracold atoms in 2D-disordered optical potentials and calculate microscopic quantities characterizing matter wave quantum transport in the non-interacting regime. We derive the diffusion constant as function of all relevant…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 R. C. Kuhn , C. Miniatura , D. Delande , O. Sigwarth , C. A. Mueller

Two new approaches to numerical QFT are presented.

High Energy Physics - Lattice · Physics 2009-11-07 G. S. Guralnik , J. Doll , R. Easther , P. Emirdag , D. D. Ferrante , S. Hahn , D. Petrov , D. Sabo

In my thesis I study mesoscopic corrections on diffuse transport. I first describe the diffuse transport of light, using the scalar approximation and the radiative transfer approach. Next, I focus on the correlations in transmission, I…

Condensed Matter · Physics 2007-05-23 M. C. W. van Rossum

We develop in this work a radiation losses model for Quasi-TEM two-conductors transmission lines insulated in a dielectric material. The analysis is exact, based on Maxwell equations and all the analytic results are validated by comparison…

Classical Physics · Physics 2019-05-13 Reuven Ianconescu , Vladimir Vulfin