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Advances in creating stable dipolar Bose systems, and ingenious box traps have generated tremendous interest. Theory study of dipolar bosons at finite temperature (T) has been limited. Motivated by these, we study 2D dipolar bosons at…

Quantum Gases · Physics 2021-04-21 Pengtao Shen , Khandker F. Quader

We measure the temperature of a 2D electron gas in GaAs from the thermopower of a one-dimensional ballistic constriction, using the Mott relation to confirm the calibration from the electrical conductance. Under hot electron conditions,…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 N. J. Appleyard , J. T. Nicholls , M. Y. Simmons , W. R. Tribe , M. Pepper

Study of the dephasing in electronic systems is not only important for probing the nature of their ground states, but also crucial to harnessing the quantum coherence for information processing. In contrast to well-studied conventional…

Mesoscale and Nanoscale Physics · Physics 2017-07-14 Jian Liao , Yunbo Ou , Haiwen Liu , Ke He , Xucun Ma , Qi-Kun Xue , Yongqing Li

In three dimensional (3D) disordered metals, the electron-phonon (\emph{e}-ph) scattering is the sole significant inelastic process. Thus the theoretical predication concerning the electron-electron (\emph{e}-\emph{e}) scattering rate…

Mesoscale and Nanoscale Physics · Physics 2016-06-22 Yang Yang , Xin-Dian Liu , Zhi-Qing Li

Normally, understanding the temperature dependent transport properties of strongly correlated electron systems remains challenging task due to complex electronic structure and its variations (around E$_{F}$) with temperature. Here, we…

Strongly Correlated Electrons · Physics 2017-03-21 Saurabh Singh , Devendra Kumar , Sudhir K. Pandey

We calculate the temperature dependence of the weak localization correction in a two dimensional system at arbitrary relation between temperature, $T$ and the elastic mean free time. We describe the crossover in the dephasing time…

Disordered Systems and Neural Networks · Physics 2016-01-11 B. N. Narozhny , Gábor Zala , I. L. Aleiner

The structure, magnetic properties, and lattice dynamics of ordered Fe-Pt alloys with three stoichiometric compositions, Fe$_3$Pt, FePt and FePt$_3$, have been investigated using the density functional theory. Additionally, the existing…

Materials Science · Physics 2025-01-24 M. Sternik , S. Couet , J. Łażewski , P. T. Jochym , K. Parlinski , A. Vantomme , K. Temst , P. Piekarz

Self-heating normal domains in thin superconducting NbTiN nanostrips were characterized via steady-state hysteretic current-voltage characteristics measured at different substrate temperatures. The temperature dependence and the magnitude…

Superconductivity · Physics 2022-09-14 M. Sidorova , A. D. Semenov , H. -W. Huebers , S. Gyger , S. Steinhauer

This letter calculates the contribution of electron-phonon interaction to thermoelectric effects in graphene. One considers the case of free standing graphene taking into account interaction with intrinsic acoustic phonons. The temperatures…

Mesoscale and Nanoscale Physics · Physics 2015-08-18 S. V. Koniakhin , E. D. Eidelman

We have calculated the plasmon modes in graphene double layer structures at finite temperatures, taking into account the inhomogeneity of the dielectric background of the system. The effective dielectric function is obtained from the…

Mesoscale and Nanoscale Physics · Physics 2013-12-17 S. M. Badalyan , F. M. Peeters

Phonon drag may be harnessed for thermoelectric generators and devices. Here, we demonstrate the geometric control of the phonon-drag contribution to the thermopower. In nanometer-thin electrically conducting $\beta$-Ga$_2$O$_3$ films…

Mesoscale and Nanoscale Physics · Physics 2025-08-26 J. Boy , R. Mitdank , A. Popp , Z. Galazka , S. F. Fischer

Active thermal control is crucial in achieving the required accuracy and throughput in many industrial applications, e.g., in the medical industry, high-power lighting industry, and semiconductor industry. Thermoelectric Modules (TEMs) can…

Systems and Control · Electrical Eng. & Systems 2020-06-19 Enzo Evers , Rens Slenders , Rob van Gils , Tom Oomen

A recent proposal of accelerator based fusion reactor considers a scheme where an ion beam from the accelerator hits the target plasma on the resonance of the fusion reaction so that the reactivity ($\sigma v$) can be an order of magnitude…

Plasma Physics · Physics 2025-02-21 Keh-Fei Liu

In the ongoing search for innovative thermoelectric (TE) materials with superior TE performance globally, we aim to investigate the possible use of half-Heusler alloy CoHfSi in TE applications. We analyzed the structure stability,…

Materials Science · Physics 2025-06-27 Sadhana Matth , S. Pandey , Himanshu Pandey

The temperature dependence of the surface plasmon resonance in small metal spheres is calculated using an electron gas model within the Random Phase Approximation. The calculation is mainly devoted to the study of spheres with diameters up…

Mesoscale and Nanoscale Physics · Physics 2017-06-07 Claudia Fasolato , Francesco Sacchetti , Pietro Tozzi , Caterina Petrillo

The phonon and electronic properties, the Eliashberg function and the temperature dependence of resistance of electride Ca2N are investigated by the DFT-LDA plane-wave method. The phonon dispersion, the partial phonon density of states and…

Materials Science · Physics 2019-01-16 B. N. Mavrin , M. E. Perminova , Yu. E. Lozovik

Very high precision measurements of the electron Lande g-factor in GaAs are presented using spin-quantum beat spectroscopy at low excitation densities and temperatures ranging from 2.6 to 300 K. In colligation with available data for the…

Materials Science · Physics 2009-05-26 J. Hübner , S. Döhrmann , D. Hägele , M. Oestreich

We have recently put forward a steady-state density functional theory (i-DFT) to calculate the transport coefficients of quantum junctions. Within i-DFT it is possible to obtain the steady density on and the steady current through an…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 S. Kurth , G. Stefanucci

The thermal properties of silver are calculated within the quasi-harmonic approximation, by using phonon dispersions from density-functional perturbation theory, and the pseudopotential plane-wave method. The resulting free energy provides…

Materials Science · Physics 2009-10-31 Jianjun Xie , Stefano de Gironcoli , Stefano Baroni , Matthias Scheffler

The mechanisms of solid-state electron transport (ETp) via a monolayer of immobilized Azurin (Az) was examined by conducting probe atomic force microscopy (CP-AFM), both as function of temperature (248 - 373K) and of applied tip force (6-12…

Biological Physics · Physics 2012-11-13 Wenjie Li , Lior Sepunaru , Nadav Amdursky , Sidney R. Cohen , Israel Pecht , Mordechai Sheves , David Cahen