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Topic of the thesis is a theoretical description of the ultracold atomic gases in one- and two-dimensional optical lattices in the presence of the disorder leading to the Anderson localization. The disorder is created by interaction of the…

量子气体 · 物理学 2017-07-19 Jan Major

Theoretical approaches are formulated to investigate the molecular mobility under various cooling rates of amorphous drugs. We describe the structural relaxation of a tagged molecule as a coupled process of cage-scale dynamics and…

软凝聚态物质 · 物理学 2019-12-10 Anh D. Phan , Katsunori Wakabayashi , Marian Paluch , Vu D. Lam

A significant hallmark of hypertrophic cardiomyopathy (HCM) is fiber disarray, which is associated with various cardiac events such as heart failure. Quantifying fiber disarray remains critical for understanding the disease s complex…

组织与器官 · 定量生物学 2025-07-04 Mohammad Mehri , Kenneth S. Campbell , Lik Chuan Lee , Jonathan F. Wenk

The evolution of the microstructure due to spinodal decomposition in phase separated mixtures has a strong impact on the final material properties. In the late stage of coarsening, the system is characterized by the growth of a single…

软凝聚态物质 · 物理学 2021-12-09 Björn König , Olivier J. J. Ronsin , Jens Harting

We investigate the decay of highly excited states of ultracold fermions in a three-dimensional optical lattice. Starting from a repulsive Fermi-Hubbard system near half filling, we generate additional doubly occupied sites (doublons) by…

We present a semi-analytic model for the Lyman-$\alpha$ forest that is inspired by the Halo Model. This model is built on the absorption line decomposition of the forest. Flux correlations are decomposed into those within each absorption…

宇宙学与河外天体物理 · 物理学 2018-04-10 Vid Iršič , Matthew McQuinn

We theoretically investigate the relaxation dynamics of a nearly-flat binary lipid bilayer membrane by taking into account the membrane tension, hydrodynamics of the surrounding fluid, inter-monolayer friction and mutual diffusion in each…

软凝聚态物质 · 物理学 2016-05-05 Ryuichi Okamoto , Yuichi Kanemori , Shigeyuki Komura , Jean-Baptiste Fournier

In this study, we prove results on the weak solvability and homogenization of a microscopic semi-linear elliptic system posed in perforated media. The model presented here explores the interplay between stationary diffusion and both surface…

偏微分方程分析 · 数学 2016-03-15 Vo Anh Khoa , Adrian Muntean

Studies of how protein fold have shown that the way protein clumps form in the test tube is similar to how proteins form the so-called ``amyloid'' deposits that are the pathological signal of a variety of diseases, among them the memory…

凝聚态物理 · 物理学 2009-10-31 R. A. Broglia , G. Tiana , S. Pasquali , H. E. Roman , E. Vigezzi

Filamentary structures are ubiquitously seen in the interstellar medium. The concentrated molecular mass in the filaments allows fragmentation to occur in a shorter timescale than the timescale of the global collapse. Such hierarchical…

太阳与恒星天体物理 · 物理学 2015-06-05 Hauyu Baobab Liu , Izaskun Jiménez-Serra , Paul T. -P. Ho , Huei-Ru Chen , Qizhou Zhang , Zhi-Yun Li

We study the dynamics of a class of Hamiltonian systems with dissipation, coupled to noise, in a singular (small mass) limit. We derive the homogenized equation for the position degrees of freedom in the limit, including the presence of a…

数学物理 · 物理学 2017-09-19 Jeremiah Birrell , Jan Wehr

The goal of this contribution is to introduce the Hamiltonian formalism of theoretical mechanics for analysing motion in generic linear and non-linear dynamical systems, including particle accelerators. This framework allows the derivation…

加速器物理 · 物理学 2024-02-27 Yannis Papaphilippou

It is known from the wave-like motion of microtubules in motility assays that the piconewton forces that motors produce can be sufficient to bend the filaments. In cellular phenomena such as cytosplasmic streaming, molecular motors…

软凝聚态物质 · 物理学 2017-07-11 Gabriele De Canio , Eric Lauga , Raymond E. Goldstein

Elucidating the nature of the glass transition has been the holy grail of condensed matter physics and statistical mechanics for several decades. A phenomenological aspect that makes glass formation a conceptually formidable problem is that…

软凝聚态物质 · 物理学 2016-08-11 Shreyas Gokhale , K. Hima Nagamanasa , A. K. Sood , Rajesh Ganapathy

Protein aggregation, linked to many of diseases, is initiated when monomers access rogue conformations that are poised to form amyloid fibrils. We show, using simulations of src SH3 domain, that mechanical force enhances the population of…

软凝聚态物质 · 物理学 2014-07-08 Pavel I. Zhuravlev , Govardhan Reddy , John E. Straub , D. Thirumalai

The relaxation dynamics of a model fluid of platelike colloidal particles is investigated by means of a phenomenological dynamic density functional theory. The model fluid approximates the particles within the Zwanzig model of restricted…

软凝聚态物质 · 物理学 2011-09-14 Markus Bier , Rene van Roij

In the present work, we study, by means of a one-dimensional lattice model, the collective excitations corresponding to intra molecular ones of a chain like proteins. It is shown that such excitations are described by the Nonlinear…

斑图形成与孤子 · 物理学 2009-05-30 E. Villagran , J. Socorro , Ricardo Garcia-Salcedo , M. Aguero

Many experimental techniques aim at determining the Hamiltonian of a given system. The Hamiltonian describes the system's evolution in the absence of dissipation, and is often central to control or interpret an experiment. Here, we…

介观与纳米尺度物理 · 物理学 2025-01-08 Vincent Dumont , Markus Bestler , Letizia Catalini , Gabriel Margiani , Oded Zilberberg , Alexander Eichler

Based on the standard many-fermion field theory, the authors construct models describing ultracold fermions in a 1D optical lattices by implementing a mode expansion of the fermionic field operator where modes, in addition to space…

介观与纳米尺度物理 · 物理学 2009-11-11 Francesco Massel , Vittorio Penna

Under hard-agar and nutrient-rich conditions, a cell of $Bacillus$ $subtilis$ grows as a single filament owing to the failure of cell separation after each growth and division cycle. The self-elongating filament of cells shows sequential…

软凝聚态物质 · 物理学 2015-10-16 Ryojiro Honda , Jun-ichi Wakita , Makoto Katori