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The literature on the theory of the photothermal imaging of single nano objects is reviewed. Several models have been devised to describe the signals magnitude, phase and shape in dependence on the experimental and sample parameters…

Optics · Physics 2015-10-30 Markus Selmke , Frank Cichos

Photoionization of Kr$^+$ ions was studied in the energy range from 23.3 eV to 39.0 eV at a photon energy resolution of 7.5 meV. Absolute measurements were performed by merging beams of Kr$^+$ ions and of monochromatized synchrotron…

We study electron transport through single-electron spin-valve transistors in the presence of non-local exchange between the ferromagnetic leads and the central normal-metal island. The Coulomb interaction is described with the orthodox…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Wouter Wetzels , Gerrit E. W. Bauer , Milena Grifoni

Together with photon emission, the absorption of a single photon by a single atom is a fundamental process in matter-light interaction that manifests its quantum mechanical nature. As an experimentally controlled process, it is a key tool…

Quantum Physics · Physics 2015-02-20 Nicolas Piro , Jürgen Eschner

We demonstrate a device geometry for single-molecule electronics experiments that combines both the ability to adjust the spacing between the electrodes mechanically and the ability to shift the energy levels in the molecule using a gate…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 A. R. Champagne , A. N. Pasupathy , D. C. Ralph

We propose an objective and robust method to extract the electrical conductance of single molecules connected to metal electrodes from a set of measured conductance data. Our method roots in the physics of tunneling and is tested on…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 M. Teresa González , Songmei Wu , Roman Huber , Sense J. van der Molen , Christian Schönenberger , Michel Calame

Photoionization fronts play a dominant role in many astrophysical situations, but remain difficult to achieve in a laboratory experiment. We present the results from a computational parameter study evaluating the feasibility of the…

Astrophysics of Galaxies · Physics 2018-05-16 William J Gray , P. A. Keiter , H. Lefevre , C. R. Patterson , J. S. Davis , B. van Der Holst , K. G. Powell , R. P. Drake

We consider a molecular single electron transistor coupled to a vibrational mode. For some values of the bias and gate voltage transport is possible only by absorption of one ore more phonons. The system acts then as a cooler for the…

Mesoscale and Nanoscale Physics · Physics 2009-02-06 Fabio Pistolesi

Single electron tunneling and its transport statistics have been studied for some time using high precision charge detectors. However, this type of detection requires advanced lithography, optimized material systems and low temperatures…

Freely propagating electrons may serve as quantum probes that can become coherently correlated with other quantum systems, offering access to advanced metrological resources. We propose a setup that coherently couples free electrons in an…

We present an experimental and theoretical study of the polarized photoluminescence spectrum of single semiconductor quantum dots in various charge states. We compare our high resolution polarization sensitive spectral measurements with a…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 E. Poem , J. Shemesh , I. Marderfeld , D. Galushko , N. Akopian , D. Gershoni , B. D. Gerardot , A. Badolato , P. M. Petroff

We investigate the photoionization dynamics of atoms subjected to intense, ultrashort laser pulses through the use of quantum trajectories. This method provides a unique and consistent framework for examining electron dynamics within a…

Atomic Physics · Physics 2024-08-01 Taylor Moon , Klaus Bartschat , Nicolas Douguet

The future Electron-Ion Collider (EIC) is a proposed new facility to collide high-energy electrons with beams of polarized protons/light nuclei and unpolarized nuclei. We overview the goals of the project and key measurements at the EIC. We…

High Energy Physics - Phenomenology · Physics 2010-01-15 V. Guzey

The two-photon exclusive production of lepton pairs at the Electron-Ion Collider will open interesting research directions thanks to a very high luminosity and clean experimental conditions. A survey of the scientific potential of such…

High Energy Physics - Phenomenology · Physics 2022-10-19 Janusz J. Chwastowski , Krzysztof Piotrzkowski , Mariusz Przybycien

Single dopants in semiconductor nanostructures have been studied in great details recently as they are good candidates for quantum bits, provided they are coupled to a detector. Here we report coupling of a single As donor atom to a…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 V. N. Golovach , X. Jehl , M. Houzet , M. Pierre , B. Roche , M. Sanquer , L. I. Glazman

An enduring challenge for contemporary physics is to experimentally observe and control quantum behavior in macroscopic systems. We show that a single trapped atomic ion could be used to probe the quantum nature of a mesoscopic mechanical…

Quantum Physics · Physics 2007-05-23 W. K. Hensinger , D. W. Utami , H. -S. Goan , K. Schwab , C. Monroe , G. J. Milburn

Scanning tunneling spectroscopy measures how a single electron with definite energy propagates between a sample surface and the tip of a scanning tunneling microscope. In the simplest description, the differential conductance measured is…

Mesoscale and Nanoscale Physics · Physics 2019-05-07 Mikko M. Ervasti , Fabian Schulz , Peter Liljeroth , Ari Harju

Single atoms can be considered as basic objects for electron microscopy to test the microscope performance and basic concepts for modeling of image contrast. In this work high-resolution transmission electron microscopy was applied to image…

Materials Science · Physics 2011-09-21 B. Gamm , R. Popescu , H. Blank , R. Schneider , A. Beyer , A. Gölzhäuser , D. Gerthsen

Using only linearly polarized light, we study the possibility of generating spin-polarized photoelectrons from xenon atoms. No net spin polarization is possible, since the xenon ground state is spin-less, but when the photoelectron are…

Ferromagnetic single electron transistors with Al islands and orthogonal ferromagnetic leads (Co) are fabricated using ebeam lithography followed by shadow evaporation techniques. I-V characteristics exhibit typical single electron…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Dawei Wang , Jia G. Lu