English
Related papers

Related papers: Current Saturation in Nonmetallic Field Emitters

200 papers

Local electronic effects in the vicinity of an impurity provide pivotal insight into the origin of unconventional superconductivity, especially when the materials are located on the edge of magnetic instability. In high-temperature cuprate…

Strange-metal behavior has been observed in materials ranging from high-temperature superconductors to heavy fermion metals. In conventional metals, current is carried by quasiparticles; although it has been suggested that quasiparticles…

Exclusive diffractive meson production represents a golden channel for investigating gluonic saturation inside nucleons and nuclei. In this letter, we settle a systematic framework to deal with beyond leading power corrections at small-$x$,…

High Energy Physics - Phenomenology · Physics 2024-12-06 Renaud Boussarie , Michael Fucilla , Lech Szymanowski , Samuel Wallon

We used Raman light scattering to study the current-stabilized nonequilibrium semimetallic and metallic phases in Ca$_2$RuO$_4$. By determining the local temperature through careful analysis of the Stokes and anti-Stokes intensities, we…

Strongly Correlated Electrons · Physics 2019-08-08 K. Fürsich , J. Bertinshaw , P. Butler , M. Krautloher , M. Minola , B. Keimer

Photoelectric properties of metamaterials containing non-centrosymmetric, similarly oriented metallic nanoparticles embedded in a homogeneous semiconductor matrix are theoretically studied. Due to the asymmetric shape of the nanoparticle…

The substitution of Mn in the III-V diluted magnetic semiconductors leads to a strong electron scattering on impurities. Besides the features induced in the valence band by the hybridization with the Mn d-states, also the conduction band is…

Materials Science · Physics 2007-05-23 J. Masek , F. Maca

The resistance of a homogeneous semiconductor increases quadratically with magnetic field at low fields and, except in very special cases, saturates at fields much larger than the inverse of the carrier mobility, a number typically of order…

Condensed Matter · Physics 2009-11-10 M. M. Parish , P. B. Littlewood

Neutron Compton Scattering measurements in a variety of materials have shown a relative deficit in the total signal from hydrogen compared to deuterium and heavier ions. We show here that a breakdown in the Born-Oppenheimer approximation in…

Other Condensed Matter · Physics 2009-11-10 G. F. Reiter , P. M. Platzman

The atomic deposited BN films with the thickness of nanometers (ABN) were prepared by radio frequency magnetron sputtering method and the nanostructured BN films (CBN) were prepared by Low Energy Cluster Beam Deposition. UV-Vis Absorption…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Fengqi Song , Lu Zhang , Lianzhong Zhu , Jun Ge , Guanghou Wang

The relation between nuclear saturation and NN-correlations is examined. Nucleons bound in a nucleus have a reduced effective mass due to the mean field. This results in off-energy-shell scatterings modifying the free-space NN-interaction…

Nuclear Theory · Physics 2007-05-23 H. S. Köhler , S. A. Moszkowski

We derive the charged current absorption rate of electron and anti-electron neutrinos in dense matter using a fully relativistic approach valid at arbitrary matter degeneracy. We include mean field energy shifts due to nuclear interactions…

High Energy Astrophysical Phenomena · Physics 2017-05-03 Luke F. Roberts , Sanjay Reddy

A simple method to calculate the static electric polarization of single-walled carbon nanotube (SWNT) is obtained within the second-order perturbation approximation. The results are in agreement with the previous calculation within the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Xin Zhou , Hu Chen , Ou-Yang Zhong-can

This paper studies the Casimir effect due to fractional massless Klein-Gordon field confined to parallel plates. A new kind of boundary condition called fractional Neumann condition which involves vanishing fractional derivatives of the…

High Energy Physics - Theory · Physics 2018-10-31 C. H. Eab , S. C. Lim , L. P. Teo

Modification induced by 110 MeV Ni ion irradiated thin film samples of C60 on Si and quartz substrates were studied at various fluences. The pristine and irradiated samples were investigated using Raman spectroscopy, electrical conductivity…

Materials Science · Physics 2009-11-07 Navdeep Bajwa , Alka Ingale , D. K. Avasthi , Ravi Kumar , K. Dharamvir , V. K. Jindal

Several types of Silicon Photomultipliers were exposed to short pulsed laser light (~ 30 ps FWHM) with its intensity varying from single photon to well above the number of microcells of the device. We observed a significant deviation of the…

Instrumentation and Detectors · Physics 2013-11-25 L. Gruber , S. E. Brunner , J. Marton , K. Suzuki

The elegant simplicity of the device concept and the urgent need for a new "transistor" at the twilight of Moore's law have inspired many researchers in industry and academia to explore the physics and technology of negative capacitance…

Applied Physics · Physics 2019-03-12 Muhammad A. Alam , Mengwei Si , Peide D. Ye

We show that the Weibel or currente filamentation instability can lead to the emission of circularly polarized radiation. Using particle-in-cell (PIC) simulations and a radiation post-processing numerical algorithm, we demonstrate that the…

Plasma Physics · Physics 2021-02-24 U. Sinha , J. Martins , J. Vieira , K. M. Schoeffler , R. A. Fonseca , L. O. Silva

Kirchhoff's law of thermal radiation imposes a constraint on photon-based energy harvesting processes since part of the incident energy flux is inevitably emitted back to the source. By breaking the reciprocity of the system, it is possible…

Optics · Physics 2021-08-19 Yubin Park , Viktar S. Asadchy , Bo Zhao , Cheng Guo , Jiahui Wang , Shanhui Fan

Coherent manipulation of quasi-particles is a crucial method to realize ultrafast switching of the relating macroscopic order. In this letter, we studied coherent phonon generation under strong light field which allows to induce…

Optics · Physics 2020-03-11 Kento Uchida , Kohei Nagai , Naotaka Yoshikawa , Koichiro Tanaka

We reveal that optical saturation of the low-energy states takes place in graphene for arbitrarily weak electromagnetic fields. This effect originates from the diverging field-induced interband coupling at the Dirac point. Using…

Mesoscale and Nanoscale Physics · Physics 2024-01-02 Behrooz Semnani , Roland Jago , Safieddin Safavi-Naeini , Amir Hamed Majedi , Ermin Malic , Philippe Tassin