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Related papers: On the Hotspot Problem in Flash Sintering

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It is argued that the specific heat of amorphous solids at low temperatures can be understood to arise from a single branch of collective modes. The idea is illustrated in a model of a correlated spin glass for which magnetic anisotropies…

Mesoscale and Nanoscale Physics · Physics 2025-01-20 Hector Ochoa

In this letter, we study the scattering of light by a single subwavelength slit in a metal screen. In contrast to previous theoretical works, we provide a microscopic description of the scattering process by emphasizing the generation of…

Optics · Physics 2009-11-11 P. Lalanne , J. P. Hugonin , J. C. Rodier

We use far-UV absorption spectra obtained with FUSE towards three late B stars to study the formation and excitation of H2 in the diffuse ISM. The data interpretation relies on a model of the chemical and thermal balance in…

Hot-spots are considered among the unavoidable consequences of the high integration density of 3D-ICs. Eliminating hot spots requires employing efficient cooling techniques. Using embedded channels, liquid cooling systems can be designed to…

Applied Physics · Physics 2020-08-28 Sakib Islam , Ibrahim Abdel-Motaleb

We describe a novel phenomenon in which vortices are produced due to resonant oscillations of a scalar field which is driven by a periodically varying temperature T, with T remaining much below the critical temperature $T_c$. Also, in a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Sanatan Digal , Rajarshi Ray , Supratim Sengupta , Ajit M. Srivastava

In self-assembling systems, geometric frustration leads to complex states characterized by internal gradients of shape misfit. Frustrated assemblies have drawn recent interest due to the unique possibility that their thermodynamics can…

Soft Condensed Matter · Physics 2023-08-08 Nicholas W. Hackney , Christopher Amey , Gregory M. Grason

We used the flux calibrated images through the Broad Band Filter Imager and Stokes Polarimeter data obtained with the Solar Optical Telescope onboard the Hinode spacecraft to study the properties of bright points in and around the sunspots.…

Solar and Stellar Astrophysics · Physics 2015-05-18 Debi Prasad Choudhary , Toshifumi Shimizu

Plasmonic absorption of light can lead to significant local heating in metallic nanostructures, an effect that defines the sub-field of thermoplasmonics and has been leveraged in diverse applications from biomedical technology to…

Mesoscale and Nanoscale Physics · Physics 2014-02-21 Joseph B. Herzog , Mark W. Knight , Douglas Natelson

I use a simple analytical model to show that simple heat conduction models cannot significantly suppress cluster cooling flows. I build a static medium where heat conduction globally balances radiative cooling, and then perturb it. I show…

Astrophysics · Physics 2008-11-26 Noam Soker

Spontaneous phase separation instabilities with the formation of various types of charge and spin pairing (pseudo)gaps in $U>0$ Hubbard model including the {\it next nearest neighbor coupling} are calculated with the emphasis on the…

Strongly Correlated Electrons · Physics 2012-05-16 A. N. Kocharian , Kun Fang , G. W. Fernando

This paper presents observations of Cygnus A at 74 and 327 MHz at angular resolutions of approximately 10" and 3", respectively. These observations are among the highest angular resolutions obtained below 1000 MHz for this object. While the…

A theoretical model of the formation of an amorphous phase during the quenching of a metallic melt is proposed. It has been shown that the appearance of a significant temperature gradient during the quenching of a metallic melt leads to…

Materials Science · Physics 2025-04-29 A. I. Karasevskii , A. Yu. Naumuk

Hot electrons generated from the decay of localized surface plasmons in metallic nanostructures have the potential to transform photocatalysis, photodetection and other optoelectronic applications. However, the understanding of hot-carrier…

The heating of electrons in graphene by laser irradiation, and its effects on the lattice structure, are studied. Values for the temperature of the electron system in realistic situations are obtained. For sufficiently high electron…

Mesoscale and Nanoscale Physics · Physics 2023-09-20 Jose Angel Silva-Guillén , Francisco Guinea

We present a detailed molecular-dynamics study of the melting, freezing, and coalescence of gold nanoclusters within the framework of the embedded-atom method. Concerning melting, we find the process to first affect the surface…

Materials Science · Physics 2009-10-30 Laurent J. Lewis , Pablo Jensen , Jean-Louis Barrat

Alpha-particle (quartet) condensation in homogeneous spin-isospin symmetric nuclear matter is investigated. The usual Thouless criterion for the critical temperature is extended to the quartet case. The in-medium four-body problem is…

Nuclear Theory · Physics 2009-08-03 T. Sogo , G. Röpke , P. Schuck

The sharp magnetic discontinuities which naturally appear in solar magnetic flux tubes driven by turbulent photospheric motions are associated with intense currents. \citet{Par83} proposed that these currents can become unstable to a…

Astrophysics · Physics 2009-11-10 Kaspar Arzner , Loukas Vlahos

Both direct and indirect weak nonresonant interactions are shown to produce entanglement between two initially disentangled systems prepared as a tensor product of thermal states, provided the initial temperature is sufficiently low.…

Quantum Physics · Physics 2009-11-11 Michael Khasin , Ronnie Kosloff

It has been established that cold plasma condensations can form in a magnetic loop subject to localized heating of the footpoints. In this paper, we use grid-adaptive numerical simulations of the radiative hydrodynamic equations to…

Solar and Stellar Astrophysics · Physics 2015-05-28 C. Xia , P. F. Chen , R. Keppens , A. J. van Marle

We performed the experimental and theoretical study of the heating and damaging of ruthenium thin films induced by femtosecond laser irradiation. Results of an optical pump-probe thermoreflectance experiment with rotating sample allowing to…