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Advancements in the experimental toolbox of cold atoms have enabled the meticulous control of atomic Bloch oscillation within optical lattices, thereby enhancing the capabilities of gravity interferometers. This work delves into the impact…

Quantum Gases · Physics 2024-02-23 Guoling Yin , Chi-Kin Lai , Nana Chang , Yi Liang , Dekai Mao , Xiaoji Zhou

Uniform temperature distribution in Selective Laser Sintering (SLS) is essential for producing durable 3D prints. Achieving uniformity requires a laser power control system that minimises deviation of the printing temperatures from the…

Systems and Control · Electrical Eng. & Systems 2025-01-29 Hamid Toshani , Janith Petangoda , Chatura Samarakoon , Phillip Stanley-Marbell

The temperature dependence of the hydrodynamic boundary condition between a PDMS melt and two different non-attractive surfaces made of either an OTS (octadecyltrichlorosilane) self-assembled monolayer (SAM) or a grafted layer of short PDMS…

Directed motion of liquid droplets is of considerable importance in various industrial processes. Despite extensive advances in this field of research, our understanding and the ability to control droplet dynamics at high temperature remain…

Fluid Dynamics · Physics 2015-12-23 Jing Li , Youmin Hou , Yahua Liu , Chonglei Hao , Minfei Li , Manoj K. Chaudhury , Shuhuai Yao

The influence has been studied of the ionization laser polarization on the effective temperature of an ultracold electron source, which is based on near-threshold photoionization. This source is capable of producing both high-intensity and…

Atomic Physics · Physics 2013-12-24 W. J. Engelen , D. J. Bakker , O. J. Luiten , E. J. D. Vredenbregt

The objective of this work is to investigate the coupling of fluid dynamics, heat transfer and mass transfer during the impact and evaporation of droplets on a heated solid substrate. A laser-based thermoreflectance method is used to…

Fluid Dynamics · Physics 2010-10-14 Rajneesh Bhardwaj , Jon P. Longtin , Daniel Attinger

Recently, model systems with quadratic Hamiltonians and time-dependent interactions were studied by Briegel and Popescu and by Galve et al. in order to consider the possibility of both quantum refrigeration in enzymes [Proc. R. Soc. 469…

Quantum Physics · Physics 2015-07-10 Sashwin Sewran , Konstantin G. Zloshchastiev , Alessandro Sergi

Optomechanical systems are promising platforms for controlled light-matter interactions. They are capable of providing several fundamental and practical novel features when the mechanical oscillator is cooled down to nearly reach its ground…

Quantum Physics · Physics 2020-12-10 Victor Montenegro , Marco G. Genoni , Abolfazl Bayat , Matteo G. A. Paris

Regulation to a well-defined target state is a fundamental requirement for achieving reliable functionality in living systems and maintaining specific non-equilibrium states. The control of certain properties and functionalities of systems…

Soft Condensed Matter · Physics 2024-12-17 Lisa Rohde , Desmond J. Quinn , Diptabrata Paul , Frank Cichos

Oscillations are abundant in the solar corona. Coronal loop oscillations are typically studied using highly idealised models of magnetic flux tubes. In order to improve our understanding of coronal oscillations, it is necessary to consider…

Solar and Stellar Astrophysics · Physics 2023-08-02 P. Kohutova , P. Antolin , M. Szydlarski , M. Carlsson

We present a mathematical model describing the evolution of sea ice and meltwater during summer. The system is described by two coupled partial differential equations for the ice thickness $h$ and pond depth $w$ fields. We test the…

Atmospheric and Oceanic Physics · Physics 2020-03-19 Andrea Scagliarini , Enrico Calzavarini , Daniela Mansutti , Federico Toschi

This thesis is devoted to studying two tasks: refrigeration and the creation of correlations. In the refrigeration part, two different paradigms of cooling, namely coherent and incoherent, are defined. The connection that these paradigms…

Quantum Physics · Physics 2020-12-09 Fabien Clivaz

Spatiotemporal variation of the thermal gradient in the melt pool inherited from different heat input patterns or other non-equilibrium transient effects during additive manufacturing can significantly affect the resulting subgrain…

Materials Science · Physics 2024-12-02 Saurabh Tiwari , Supriyo Ghosh

We study the effects of finite stellar temperatures on the oscillations of superfluid neutron stars. The importance of these effects is illustrated with a simple example of a radially pulsating general relativistic star. Two main effects…

Solar and Stellar Astrophysics · Physics 2011-06-07 E. M. Kantor , M. E. Gusakov

The thermal effects of plastic and frictional heat generation and elevated temperature were examined along with the role of adhesion in the context of galling wear, using a representative crystal plasticity, normally loaded, sliding surface…

Materials Science · Physics 2019-10-10 Benjamin Poole , Bartosz Barzdajn , Daniele Dini , David Stewart , Fionn Dunne

Laser excitation in silicon from femto- to pico-second time scales is studied. We assume the Three-Temperature Model (3TM) which describes the dynamics of the distinct quasi-temperatures for electrons, holes, and lattice. Numerical results…

Optics · Physics 2022-04-20 Prachi Venkat , Tomohito Otobe

Temperature influences the performance of two-dimensional materials in optoelectronic devices. Indeed, the optical characterization of these materials is usually realized at room temperature. Nevertheless most {\it ab-initio} studies are…

Mesoscale and Nanoscale Physics · Physics 2016-06-06 Alejandro Molina-Sánchez , Maurizia Palummo , Andrea Marini , Ludger Wirtz

In this paper the lubrication-type dynamical model is developed of a molten, pulsed laser-irradiated metallic film. The heat transfer problem that incorporates the absorbed heat from a single beam or interfering beams is solved…

Fluid Dynamics · Physics 2020-12-03 A. Atena , M. Khenner

This study investigates the stabilization of interlayer temperature in the laser powder bed fusion process through a novel switched layer-to-layer closed-loop feedback controller. The controller architecture aims to measure the interlayer…

Systems and Control · Electrical Eng. & Systems 2025-12-22 Barış Kavas , Efe C. Balta , Lars Witte , Michael R. Tucker , John Lygeros , Markus Bambach

Methanol-water liquid mixtures have been investigated by high-energy synchrotron X-ray and neutron diffraction at low temperatures. We are thus able to report the first complete sets of both X-ray and neutron weighted total scattering…