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Related papers: Coherent heat-wave generation in SrTiO$_3$ using s…

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Thermoelectric energy conversion - the exploitation of the Seebeck effect to convert waste heat into electricity - has attracted an increasing amount of research attention for energy harvesting technology. Niobium-doped strontium titanate…

Materials Science · Physics 2017-05-18 Yuqiao Zhang , Bin Feng , Hiroyuki Hayashi , Tetsuya Tohei , Isao Tanaka , Yuichi Ikuhara , Hiromichi Ohta

The degradation of thermal conductivity in advanced nuclear fuels due to the accumulation of fission products and irradiation-induced defects is inevitable, and must be considered as part of safety and efficiency analyses of nuclear…

It is argued that, in a hot plasma interacting with thermal radiation, there exist the radiation-induced solitary waves different from the types of nonlinear waves in plasmas known so far. There are extensive observational evidence for the…

Plasma Physics · Physics 2007-05-23 F. V. Prigara

Fluctuating orders in solids are generally considered high-temperature precursors of broken symmetry phases. However, in some cases these fluctuations persist to zero temperature and prevent the emergence of long-range order, as for example…

Materials Science · Physics 2019-07-24 Tobia Nova , Ankit Disa , Michael Fechner , Andrea Cavalleri

Collective excitations of a dilute Bose gas were probed above and below the Bose-Einstein condensation temperature. The temperature dependencies of the frequency and damping rates of condensate oscillations indicate significant interactions…

Condensed Matter · Physics 2007-05-23 D. M. Stamper-Kurn , H. -J. Miesner , S. Inouye , M. R. Andrews , W. Ketterle

Strontium titanate ($\mathrm{SrTiO_3, STO}$) dome-shaped superconducting transition temperature as a function of chemical potential, consistent with STO experiments, and shows that tunable s-wave and d-wave symmetries are modulated by…

Superconductivity · Physics 2026-02-23 Xing Yang , Xinyu Zhang , Xuchang Zhang

We compare recent experimental results [Science 375, 528 (2022)] of the superfluid unitary Fermi gas near the critical temperature with a thermodynamic model based on elementary excitations of the system. We find very good agreement between…

Quantum Gases · Physics 2022-07-25 G. Bighin , A. Cappellaro , L. Salasnich

Time-resolved two color pump-probe polarization spectroscopy was performed at room temperature on SrTiO3 films grown directly on Si with film thickness varying from 2 nm to 7.8 nm. The E soft mode with a characteristic frequency of 0.2 THz…

Materials Science · Physics 2015-03-17 Cheng Cen , Maitri P. Warusawithana , Darrell G. Schlom , Jeremy Levy

Experiments were performed at a proton accelerator and an infrared laser acility to investigate the sound generation caused by the energy deposition of pulsed particle and laser beams in water. The beams with an energy range of 1 PeV to 400…

Astrophysics · Physics 2010-11-05 K. Graf , G. Anton , J. Hoessl , A. Kappes , T. Karg , U. Katz , R. Lahmann , C. Naumann , K. Salomon , C. Stegmann

We developed a theory of electric and thermoelectric conductivity of lightly doped SrTiO$_3$ in the non-degenerate region $k_B T \geq E_F$, assuming that the major source of electron scattering is their interaction with soft transverse…

Other Condensed Matter · Physics 2021-09-15 Kh. G. Nazaryan , M. V. Feigelman

Opto-mechanical oscillators that generate coherent acoustic waves are drawing much interest, in both fundamental research and applications. Narrowband oscillations can be obtained through the introduction of feedback to the acoustic wave.…

Optics · Physics 2018-11-16 H. Hagai Diamandi , Yosef London , Gil Bashan , Arik Bergman , Avi Zadok

Second sound phenomenon and ballistic heat conduction, the two wave like propagation modes of heat, are the two most prominent, experimentally observed non-Fourier effects of heat conduction. In this paper we compare three related theories…

Statistical Mechanics · Physics 2018-05-08 Róbert Kovács , Péter Ván

SrVO3 thin films with a high figure of merit for applications as transparent conductors were crystallized from amorphous layers using solid phase epitaxy (SPE). Epitaxial SrVO3 films crystallized on SrTiO3 using SPE exhibit a room…

Metamaterials possess artificial bulk and surface electromagnetic states. Tamed dispersion properties of surface waves allow one to achieve controllable super-Planckian radiative heat transfer (RHT) process between two closely spaced…

Optics · Physics 2016-09-28 Jin Dai , Sergey A. Dyakov , Sergey I. Bozhevolnyi , Min Yan

I use first principles calculations to investigate the thermal conductivity of $\beta$-In$_2$O$_3$ and compare the results with that of $\alpha$-Al$_2$O$_3$, $\beta$-Ga$_2$O$_3$, and KTaO$_3$. The calculated thermal conductivity of…

Materials Science · Physics 2021-01-08 Alaska Subedi

A model for the generation of heat due to mechanical losses during acoustic wave propagation in a solid is considered in a Kelvin-Voigt type framework. In contrast to previous studies on related thermoviscoelastic models, in line with…

Analysis of PDEs · Mathematics 2024-11-25 Leander Claes , Johannes Lankeit , Michael Winkler

When waves impinge on a disordered material they are back-scattered and form a highly complex interference pattern. Suppressing any such distortions in the free propagation of a wave is a challenging task with many applications in a number…

Similar to silicon that is the basis of conventional electronics, strontium titanate (SrTiO3) is the bedrock of the emerging field of oxide electronics. SrTiO3 is the preferred template to create exotic two-dimensional (2D) phases of…

An approximate microscopic model is proposed for the explanation of the electric signal dU = k_B dT/(2e) observed by A.S. Rybalko in He II in the experiments with standing half-wave of second sound. The model is based on the idea, due to…

Mesoscale and Nanoscale Physics · Physics 2011-03-15 Maksim D. Tomchenko

The demonstration of a quasi-two-dimensional electron gas (2DEG) and superconducting properties in LaAlO$_3$/SrTiO$_3$ heterostructures has stimulated intense research activity in recent ten years. The 2DEG has unique properties that are…

Superconductivity · Physics 2018-10-03 V. V. Kabanov , I. I. Piyanzina , D. A. Tayurskii , R. F. Mamin