English
Related papers

Related papers: Missing understanding of the phase factor between …

200 papers

Coupled semiconductor quantum dots form artificial molecules where relevant energy scales controlling the interacting ground state can be easily tuned. By applying an external magnetic field it is possible to drive the system from a weak to…

Mesoscale and Nanoscale Physics · Physics 2009-07-22 Massimo Rontani , Guido Goldoni , Elisa Molinari

The standard equations for semiconductor device analysis were solved by specifying the electron and hole current injected at a small contact, assuming high-level injection. Calculated current-voltage characteristics were fit to measurements…

Other Condensed Matter · Physics 2008-03-26 Mike W. Denhoff

We study the dielectric function of the homogeneous semiconductor hole liquid of p-doped bulk III-V zinc-blende semiconductors within random phase approximation. The single-particle physics of the hole system is modeled by Luttinger's…

Strongly Correlated Electrons · Physics 2011-10-14 John Schliemann

Proposals for solid state quantum computing are extremely promising as they can be used to built room temperature quantum computers. If such a quantum computer is ever built it would require in-built sources of nonclassical states required…

Quantum Physics · Physics 2019-07-16 Arjun Mukherjee , Biswajit Sen , Kishore Thapliyal , Swapan Mandal , Anirban Pathak

Separating between ordinary (OHE) and anomalous (AHE) Hall effect in the paramagnetic phase of Mn$_{1-x}$Fe$_{x}$Si reveals OHE sign inversion associated with the hidden quantum critical (QC) point $x^*\sim0.11$. The semimetallic behavior…

Strongly Correlated Electrons · Physics 2015-12-23 V. V. Glushkov , I. I. Lobanova , V. Yu. Ivanov , V. V. Voronov , V. A. Dyadkin , N. M. Chubova , S. V. Grigoriev , S. V. Demishev

In an ideal two-component two-dimensional electron system, particle-hole symmetry dictates that the fractional quantum Hall states around $\nu = 1/2$ are equivalent to those around $\nu = 3/2$. We demonstrate that composite fermions (CFs)…

Strongly Correlated Electrons · Physics 2010-03-09 Medini Padmanabhan , Tayfun Gokmen , Mansour Shayegan

In recent work, we discussed the difference between electrons and holes in energy band in solids from a many-particle point of view, originating in the electron-electron interaction, and argued that it has fundamental consequences for…

Superconductivity · Physics 2009-11-11 J. E. Hirsch

The dissociation of excited electron-hole pairs is a microscopic process that is fundamental to the performance of photovoltaic systems. For this process to be successful, the oppositely charged electron and hole must overcome an…

Mesoscale and Nanoscale Physics · Physics 2017-08-14 Liang Shi , Chee Kong Lee , Adam P. Willard

We consider exciton-photon coupling in semiconductor microcavities in which separate periodic potentials have been embedded for excitons and photons. We show theoretically that this system supports degenerate ground-states appearing at…

Mesoscale and Nanoscale Physics · Physics 2017-06-12 M. Sun , I. G. Savenko , H. Flayac , T. C. H. Liew

Taking resort to Haldane's spherical geometry we can visualize fractional quantum Hall effect on the noncommutative manifold $M_4 \times Z_N$ with $N>2$ and odd. The discrete space leads to the deformation of symplectic structure of the…

High Energy Physics - Theory · Physics 2007-05-23 B. Basu , P. Bandyopadhyay

We describe how quantum information may be transferred from photon polarization to electron spin in a semiconductor device. The transfer of quantum information relies on selection rules for optical transitions, such that two superposed…

Quantum Physics · Physics 2009-11-06 Rutger Vrijen , Eli Yablonovitch

In this Communication, it is shown that models used for describing generation and recombination of electrons and holes lead to disagreements with Maxwell's electrodynamics. Self-consistent expressions, more adequately depicting the actual…

Soft Condensed Matter · Physics 2009-11-10 I. N. Volovichev , G. N. Logvinov , O. Yu. Titov , Yu. G. Gurevich

Motivated by the issue of particle-hole symmetry for the composite fermion Fermi sea at the half filled Landau level, Dam T. Son has made an intriguing proposal [Phys. Rev. X {\bf 5}, 031027 (2015)] that composite fermions are Dirac…

Strongly Correlated Electrons · Physics 2016-06-29 Ajit C. Balram , J. K. Jain

An argument is made on the existence of a low-temperature itinerant antiferromagnetic (AF) spin alignment, rather than persistent helical (PH), in the ground state of a two dimensional electron gas in a semiconductor quantum well with…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 D. C. Marinescu

We argue that a correlated fluid of electrons and holes can exhibit a fractional quantum Hall effect at zero magnetic field analogous to the Laughlin state at filling $1/m$. We introduce a variant of the Laughlin wavefunction for electrons…

Strongly Correlated Electrons · Physics 2018-09-19 Yichen Hu , Jörn W. F. Venderbos , C. L. Kane

Most semiconductors, in particular III-V compounds, have a complex valence band structure near the band edge, due to degeneracy at the zone center. One peculiar feature is the warping of the electronic dispersion relations, which are not…

Strongly Correlated Electrons · Physics 2023-07-12 Roland Combescot , Shiue-Yuan Shiau

The conversion of energy of electrons produced by a radioactive source into electricity in a Si and SiC $\textit{p-n}$ junctions is modeled. The features of the generation function describing the electron-hole pair production by an electron…

We investigate exciton emission of quantum well embedded in a semiconductor microcavity. The analytical expressions of the light intensity for the cases of excitonic number state and coherent state are presented by using secular…

Quantum Physics · Physics 2009-11-10 Guang-Ri Jin , Wu-Ming Liu

We propose to control of an electron-hole superfluid in semiconductor coupled quantum wells and double layers of two-dimensional (2D) material by an external periodic field. This can either be created by the gates periodically located and…

Mesoscale and Nanoscale Physics · Physics 2019-11-01 O. L. Berman , R. Ya. Kezerashvili , Y. E. Lozovik , K. G. Ziegler

It is shown that the dynamics of a single hole in a quantum antiferromagnet (described by the t--J model) can be simply understood in terms of a composite quasiparticle. This description provides naturally two different energy scales t and…

Condensed Matter · Physics 2009-10-28 P. Beran , D. Poilblanc , R. B. Laughlin
‹ Prev 1 4 5 6 7 8 10 Next ›