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Topological superfluid $^3$He, with unconventional spin-triplet p-wave pairing, provides a model system for topological superconductors, which have attracted significant interest through potential applications in topologically protected…

Superconductivity · Physics 2021-05-11 P. J. Heikkinen , A. Casey , L. V. Levitin , X. Rojas , A. Vorontsov , P. Sharma , N. Zhelev , J. M. Parpia , J. Saunders

Results of X-band microwave surface impedance measurements of FeSe1-xTex very thin film are reported. The effective surface resistance shows appearance of peak at T less and near Tc when plotted as function of temperature. The authors…

Superconductivity · Physics 2015-06-19 A. A. Barannik , N. T. Cherpak , Yun Wu , Sheng Luo , Yusheng He , M. S. Kharchenko , A. Porch

An accurate estimate of the inner edge of the habitable zone is critical for determining which exoplanets are potentially habitable and for designing future telescopes to observe them. Here, we explore differences in estimating the inner…

The x-ray absorption spectra of water and ice are calculated with a many-body approach for electron-hole excitations. The experimental features, including the small effects of temperature change in the liquid, are quantitatively reproduced…

Soft Condensed Matter · Physics 2015-05-14 Wei Chen , Xifan Wu , Roberto Car

Electron-stimulated desorption (ESD) of cryosorbed molecules on surfaces is a process of relevance to fields as varied as vacuum dynamics in accelerators and astrochemistry. While desorption from such molecular systems induced by keV…

Chemical Physics · Physics 2020-11-05 Rémi Dupuy , Michal Haubner , Bernard Henrist , Jean-Hugues Fillion , Vincent Baglin

The absorption coefficient for surface acoustic waves in a piezoelectric insulator in contact with a GaAs/AlGaAs heterostructure (with two-dimensional electron mobility $\mu= 1.3\times 10^5 cm^2/V\cdot s)$ at T=4.2K) via a small gap has…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 I. L. Drichko , A. M. Diakonov , A. M. Kreshchuk , T. A. Polyanskaya , I. G. Savel'ev , I. Yu. Smirnov , A. V. Suslov

Dispersion relations for the spectra of surface electron states on a dynamically deformed adsorbed surface of a monocrystal with the Zinc blende structure are received. It is established that the dependences of the band gap width and of the…

Strongly Correlated Electrons · Physics 2018-06-27 R. M. Peleshchak , M. Ya. Seneta

An ultralow lattice thermal conductivity of 0.14 W$\cdot$ m$^{-1} \cdot$ K$^{-1}$ along the $\vec b$ axis of As$_2$Se$_3$ single crystals was obtained at 300 K by first-principles calculations involving the density functional theory and the…

Materials Science · Physics 2017-12-18 Robert L. González-Romero , Alex Antonelli , Anderson S. Chaves , Juan J. Meléndez

A new scenario of thermalization process of the adsorbate attached at solid surfaces is proposed. The scenario is based on existence of electric dipole layer in which the electron wavefunctions extend over the positive ions. Thus the strong…

Chemical Physics · Physics 2017-04-26 Paweł Strak , Konrad Sakowski , Stanisław Krukowski

Using fully electromagnetic particle-in-cell/Monte Carlo simulations, the electron heating due to interaction with a moving sheath is demonstrated to dominate in surface wave-driven discharges at microwave frequencies and relatively low…

Plasma Physics · Physics 2025-06-05 Denis Eremin , Andrew T. Powis , Igor D. Kaganovich

The study of subtle effects on transport in semiconductors requires high-quality epitaxial structures with low defect density. Using hybrid molecular beam epitaxy (MBE), SrTiO$_3$ films with low-temperature mobility exceeding 42,000…

We report microwave surface impedances of FeSe$_{0.4}$Te$_{0.6}$ single crystals measured at 12, 19, and 44 GHz. The penetration depth exhibits a power law behavior, $\delta \lambda_L=\lambda_L (T)-\lambda_L (0) \propto CT^n$ with an…

Superconductivity · Physics 2011-11-03 Hideyuki Takahashi , Yoshinori Imai , Seiki Komiya , Ichiro Tsukada , Atsutaka Maeda

We have studied an electron transport in inversion layers of high-mobility Si(100) samples. At high electron concentrations and temperatures below 4.2 K, two series of Shubnikov-de Haas oscillations have been observed. The temperature…

Condensed Matter · Physics 2009-10-28 S. G. Semenchinsky , L. Smrcka , J. Stehno

We considered intersubband electron transitions in an array of one-dimensional chains of spherical quantum dots in the GaAs/Al$_{x}$Ga$_{1-x}$As semiconductor system. The absorption coefficient caused by these transitions was calculated…

Strongly Correlated Electrons · Physics 2017-06-23 V. I. Boichuk , I. V. Bilynskyi , R. I. Pazyuk

We conducted series of experiments on observing a Stark-type effect in superfluid $^4$He in presence of relative laminar flows of the normal and superfluid components. It is designed a measurement cell which allows us to simultaneously…

The heating of a two-dimensional electron gas by an rf electric field generated by a surface acoustic wave, which can be described by an electron temperature $T_e$, has been investigated. It is shown that the energy balance of the electron…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 I. L. Drichko , A. M. D'yakonov , V. D. Kagan , A. M. Kreshchuk , T. A. Polyanskaya , I. G. Savel'ev , I. Yu. Smirnov , A. V. Suslov

We investigated optical absorption coefficient spectra of an epitaxial VO2 film in wide photon energy (0.5 - 5.0 eV) and temperature (100 - 380 K) regions. In its insulating phase, we observed two d-d transition peaks around 1.3 eV and 2.7…

Strongly Correlated Electrons · Physics 2007-05-23 C. H. Koo , J. S. Lee , M. W. Kim , Y. J. Chang , T. W. Noh , J. H. Jung B. G. Chae , H. -T. Kim

The nonlinear absorption of radio waves (200 - 800 MHz) in a noncollinear cubic antiferromagnet Mn3Al2Ge3O12 in an external magnetic field H || [001] has been studied in the temperature range of 1.2 - 4.2 K. We attribute the observed…

Materials Science · Physics 2015-12-04 Aleksey M. Tikhonov , Nikolay G. Pavlov

In Landau's Fermi liquid picture, transport is governed by scattering between quasi-particles. The normal liquid $^3$He conforms to this picture but only at very low temperature. Here, we show that the deviation from the standard behavior…

Statistical Mechanics · Physics 2024-02-28 Kamran Behnia , Kostya Trachenko

The electronic structure of La0.8Sr0..2MnO3/SrTiO thin film, which was prepared by Laser MBE, was studied by X-ray photoemission spectra (XPS) in the temperature interval of 300 to 1000 K. Experimental results showed that the electronic…

Strongly Correlated Electrons · Physics 2007-05-23 Guotai Tan , S. Dai , P. Duan , H. B. Lu , K. Xie , Y. L. Zhou , Z. H. Chen