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2 Evolution Equations, Contact and Friction
Contact processes take place on the surface, and, therefore, are described by boundary conditions. However, these are the boundaries or surfaces of... -
Effect of Cyclic Pure Shear on the Structural Transformation and Pore Size Redistribution of Athermal Porous Glasses
We employ computer simulations to study the mechanical response and the associated structural transformations of porous glassy materials under cyclic...
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Theoretical Background
In this chapter, some necessary theoretical background is introduced which will inform the work in the remainder of this thesis. Section 2.1 begins... -
Efficiency at Maximum Power
Power and efficiency are two key quantities to characterize heat engines. There have been many attempts to clarify the relations between these two.... -
The Formation of a Cluster of Stars and Brown Dwarfs in a Turbulent Molecular Cloud
We present preliminary results from the first hydrodynamic calculation to follow the collapse and fragmentation of a large-scale turbulent molecular... -
Small Schwarzschild de Sitter black holes, the future boundary and islands
We continue the study of 4-dimensional Schwarzschild de Sitter black holes in the regime where the black hole mass is small compared with the de...
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Precessional Switching of Thin Nanomagnets with Uniaxial Anisotropy
This review describes the evolution of the magnetization of uniaxial thin magnets when subjected to fast-rising magnetic-field pulses. We report... -
Brownian motors arranged on nontrivial networks to achieve fast transport
AbstractA method of calculating velocity, efficiency as well as coefficient of performance of the refrigerator in terms of complex generating...
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Development of a Numerical Model Designed to Calculate the Temperature Field and Thermal Stresses in Structural Elements of Aircrafts
AbstractThe algorithm for the numerical solution of the quasistatic thermoelasticity problem in the domains of simple spatial forms is briefly...
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Terahertz pulse generation by laser-created, strongly magnetized plasmas: a one-dimensional study
We investigate, both numerically and theoretically, laser-driven generation of intense terahertz (THz) waves embedded in external magnetic ( B ) fields...
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Investigating the rheology of fluidized and non-fluidized gas-particle beds: implications for the dynamics of geophysical flows and substrate entrainment
Natural geophysical mass flows are among the most complex granular systems and their dynamics are often modified by the presence of an interstitial...
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Electrothermal Explosion of a Titanium—Soot Mixture under Quasistatic Compression. I. Thermal and Electric Parameters
The study of an electrothermal explosion (ETE) of a titanium—soot mixture under quasistatic compression is described. Experimental dependences of...
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Topological plasmons in dimerized chains of nanoparticles: robustness against long-range quasistatic interactions and retardation effects
We present a simple model of collective plasmons in a dimerized chain of spherical metallic nanoparticles, an elementary example of a topologically...
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Quantum effects on radiation friction driven magnetic field generation
Radiation losses in the interaction of superintense circularly polarized laser pulses with high-density plasmas can lead to the generation of strong...
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Rattler wedging and force chain buckling: metastable attractor dynamics of local grain rearrangements underlie globally bistable shear banding regime
Grain rearrangements govern the mechanical response of granular materials under load. A comprehensive time series analysis of macroscopic stress,...
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Light-induced topological phase transition via nonlinear phononics in superconductor CsV3Sb5
The recent observations of exotic quantum phenomena in AV 3 Sb 5 (A = K, Rb, Cs) kagome superconductors have attracted significant attention in...
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Fluctuation-Theorem-Type Equalities
As argued in Sect. 5.2.1, in the proof of the IFT, by replacing the transition rate of the backward process to another transition rate, we obtain... -
Explicit total Lagrangian material point method with implicit frictional-contact model for soft granular materials
We introduce a novel numerical method for the simulation of soft granular materials, in which the particles can undergo large strains under load...
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Dominance of γ-γ electron-positron pair creation in a plasma driven by high-intensity lasers
Creation of electrons and positrons from light alone is a basic prediction of quantum electrodynamics, but yet to be observed. Our simulations show...
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Quantum Carnot cycle with inner friction
A single driven spin is investigated as the working substance of a six-stroke irreversible quantum Carnot cycle. The role of inner friction...