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A two-component two-dimensional (2D) dipolar bosonic system in the bilayer geometry is considered. By performing quantum Monte Carlo simulations in a wide range of layer spacings we analyze in detail the pair correlation functions, the…

量子气体 · 物理学 2016-08-03 Alexey Filinov

We present a mathematical model of polymer bilayers that undergo large bending deformations when actuated by non-mechanical stimuli such as thermal effects. The simple model captures a large class of nonlinear bending effects and can be…

数值分析 · 数学 2017-12-06 Soeren Bartels , Andrea Bonito , Anastasia Muliana , Ricardo H. Nochetto

We study by first principle computer simulations the low temperature phase diagram of bosonic dipolar gases in a bilayer geometry, as a function of the two control parameters, i.e., the in-plane density and the interlayer distance. We…

量子气体 · 物理学 2017-03-01 Fabio Cinti , Daw-Wei Wang , Massimo Boninsegni

We study the structure and melting of a classical bilayer system of dipoles, in a setup where the dipoles are oriented perpendicular to the planes of the layers and the density of dipoles is the same in each layer. Due to the anisotropic…

其他凝聚态物理 · 物理学 2008-07-30 Xin Lu , Chang-Qin Wu , Andrea Micheli , Guido Pupillo

We study the structural and thermodynamic properties of bilayer graphene, a prototype two-layer membrane, by means of Monte Carlo simulations based on the empirical bond order potential LCBOPII. We present the temperature dependence of…

材料科学 · 物理学 2015-05-18 K. V. Zakharchenko , J. H. Los , M. I. Katsnelson , A. Fasolino

We consider a model of bilayer lipid membrane with bola-lipids. The bola-lipid is modeled by linking tails of the hydrophobic chains in the opposite monolayers within bilayer as a first approximation. A number of thermodynamical…

生物大分子 · 定量生物学 2016-02-26 Sergei I. Mukhin , Boris B. Kheyfets

We consider the ground state of a bilayer system of dipolar bosons, where dipoles are oriented by an external field in the direction perpendicular to the parallel planes. Quantum Monte Carlo methods are used to calculate the ground-state…

量子气体 · 物理学 2015-03-13 A. Macia , G. E. Astrakharchik , F. Mazzanti , S. Giorgini , J. Boronat

An analytical model of non-Gaussian energy landscape of low-temperature fluids is developed based on the thermodynamics of the fluid of dipolar hard spheres. The entire excitation profile of the liquid, from the high temperatures to the…

软凝聚态物质 · 物理学 2009-11-13 Dmitry V. Matyushov

We investigate the behavior of identical dipolar fermions with aligned dipole moments in two-dimensional multilayers at zero temperature. We consider density instabilities that are driven by the attractive part of the dipolar interaction…

量子气体 · 物理学 2017-03-01 M. Callegari , M. M. Parish , F. M. Marchetti

We investigate the properties of membranes under tension by Monte-Carlo simulations of a generic coarse-grained model for lipid bilayers. We give a comprising overview of the behavior of several membrane characteristics, such as the area…

生物物理 · 物理学 2010-03-17 Jörg Neder , Beate West , Peter Nielaba , Friederike Schmid

Dipolar bilayers with antiparallel polarization, i.e. opposite polarization in the two layers, exhibit liquid-like rather than gas-like behavior. In particular, even without external pressure a self-bound liquid puddle of constant density…

量子气体 · 物理学 2016-01-20 Martin Hebenstreit , Michael Rader , Robert E. Zillich

We consider a model of bilayer lipid membrane with interdigitation, in which the lipid tails of the opposite monolayers interpenetrate. The interdigitation is modeled by linking tails of the hydrophobic chains in the opposite monolayers…

定量方法 · 定量生物学 2009-02-25 Sergei I. Mukhin , Boris B. Kheyfets

We investigate the finite-temperature phase diagram of polar molecules confined in a quasi-two-dimensional geometry by a harmonic potential along the polarization axis. We employ Quantum Monte Carlo simulations to explore the strongly…

量子气体 · 物理学 2026-05-19 Vinicius Zampronio , Matteo Ciardi , Fabio Cinti

We derived free energy functional of a bilayer lipid membrane from the first principles of elasticity theory. The model explicitly includes position-dependent mutual slide of monolayers and bending deformation. Our free energy functional of…

软凝聚态物质 · 物理学 2009-11-10 S. V. Baoukina , S. I. Mukhin

Nonmagnetic spheres confined in a ferrofluid layer (magnetic holes) present dipolar interactions when an external magnetic field is exerted. The interaction potential of a microsphere pair is derived analytically, with a precise care for…

软凝聚态物质 · 物理学 2009-11-10 Renaud Toussaint , Jørgen Akselvoll , Eirik G. Flekkøy , Geir Helgesen , Arne T. Skjeltorp

We study correlation effects and excitations in a dipolar Bose gas bilayer which is modeled by a one-dimensional double well trap that determines the width of an individual layer, the distance between the two layers, and the height of the…

量子气体 · 物理学 2015-06-12 Diana Hufnagl , Robert E. Zillich

We consider two-dimensional spin-polarized dipolar Fermi gases confined in a double-layer system and calculate the momentum transfer between the layers as a function of temperature to investigate the transport properties of the system. We…

量子气体 · 物理学 2024-06-14 B. Renklioglu , Ben Yu-Kuang Hu , M. O. Oktel , B. Tanatar

We study the thermodynamic and magnetic properties of an Ising bilayer ferrimagnet. The system is composed of two interacting non-equivalent planes in which the intralayer couplings are ferromagnetic while the interlayer interactions are…

统计力学 · 物理学 2017-09-11 Ian Jordy Lopez Diaz , Nilton da Silva Branco

We consider a bilayer of dipolar bosons in which the polarization of dipoles are perpendicular to the planes. Using accurate static structure factor $S(q)$ data from hypernetted-chain calculation for single layer dipolar bosons we construct…

量子气体 · 物理学 2015-07-23 E. Akaturk , B. Tanatar , Saeed H. Abedinpour

A thermodynamic theory of ferroelectric thin film multilayers is developed. The free energy function is written down using a multilayer model in which c-domain layers of one ferroelectric material alternate with a-domain layers of a second…

材料科学 · 物理学 2007-05-23 M. D. Glinchuk , E. A. Eliseev , V. A. Stephanovich , M. G. Karkut , R. Farhi
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