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Related papers: Finite-size effects in amorphous thin Co$_{70}$Zr$…

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We study translationally invariant rings of qubits with a finite number of sites N, and find the maximal nearest-neighbor entanglement for a fixed z component of the total spin. For small numbers of sites our results are analytical. The use…

Quantum Physics · Physics 2007-05-23 T. Meyer , U. V. Poulsen , K. Eckert , M. Lewenstein , D. Bruss

We study electronic states and topological invariants of (001)-films of topological crystalline insulator (TCI) Pb_{x}Sn_{1-x}Te. Gapless surface Dirac cones on bulk TCIs become gapped in thin films due to finite-size effect, which is…

Mesoscale and Nanoscale Physics · Physics 2014-09-29 Hideyuki Ozawa , Ai Yamakage , Masatoshi Sato , Yukio Tanaka

We consider the finite temperature Casimir force acting on two parallel plates in a closed cylinder with the same cross section of arbitrary shape in the presence of extra dimensions. Dirichlet boundary conditions are imposed on one plate…

High Energy Physics - Theory · Physics 2017-08-23 L. P. Teo , K. Kirsten

The equilibrium properties of flux lines pinned by columnar disorder are studied, using the analogy with the time evolution of a diffusing scalar density in a randomly amplifying medium. Near H_{c1}, the physical features of the vortices in…

Superconductivity · Physics 2009-10-30 Nadav M. Shnerb

We present the first analytic study of finite-size effects on critical diffusion above and below T_c of three-dimensional Ising-like systems whose order parameter is coupled to a conserved density. We also calculate the finite-size…

Statistical Mechanics · Physics 2009-10-31 Wolfgang Koch , Volker Dohm

Cross-sectional transmission electron microscopy (TEM) is used to characterize an amorphous layer observed at the interface in graphite and graphene films grown via thermal decomposition of C-face 4H-SiC. The amorphous layer does not to…

Materials Science · Physics 2015-05-28 R. Colby , M. L. Bolen , M. A. Capano , E. A. Stach

The outstanding physical properties of hyperuniform condensed matter systems holds significant promise for technological applications and studying effects that may disrupt this hidden order is therefore very important. Vortex matter in…

Superconductivity · Physics 2026-01-23 A. Cruz-García , J. Puig , R. M. Besana , A. B. Kolton , Y. Fasano

Systematic approach has been applied to obtain the boundary conditions for magnetization at an interface between ferromagnetic (FM) and antiferromagnetic (AFM) materials in the continuous medium approximation. Three order parameters are…

Applied Physics · Physics 2019-02-01 Oksana Busel , Oksana Gorobets , Yuri Gorobets

The magnetic properties and magnetization dynamics of polycrystalline ultra-thin Co layers were investigated using a broadband ferromagnetic resonance (FMR) technique at room temperature. A variable thickness (1 nm $\leq t \leq$ 10 nm) Co…

Mesoscale and Nanoscale Physics · Physics 2007-07-10 J-M. L. Beaujour , J. H. Lee , A. D. Kent , K. Krycka , C-C. Kao

We study the effect of free boundaries in finite magnetic systems of cubic shape on the field and temperature dependence of the magnetization within the isotropic model of D-component spin vectors in the limit D \to \infty. This model is…

Statistical Mechanics · Physics 2009-10-31 H. Kachkachi , D. A. Garanin

We present a perturbative calculation of finite-size effects near $T_c$ of the $\phi^4$ lattice model in a $d$-dimensional cubic geometry of size $L$ with periodic boundary conditions for $d > 4$. The structural differences between the…

Statistical Mechanics · Physics 2015-06-25 X. S. Chen , V. Dohm

The role of finite volume effects on the various transport coefficients of strongly interacting quark matter is analyzed in the Polyakov chiral SU(3) quark mean field model (PCQMF) at finite temperatures and chemical potentials…

High Energy Physics - Phenomenology · Physics 2025-01-28 Dhananjay Singh , Arvind Kumar

We prove the asymptotics of the difference of the ground-state energies of two non-interacting $N$-particle Fermi gases on the half line of length $L$ in the thermodynamic limit up to order $1/L$. We are particularly interested in…

Mathematical Physics · Physics 2020-01-01 Martin Gebert

We find the finite-width, i.e., the layer thickness, of experimental quasi-two dimensional systems produces a physical environment sufficient to stabilize the Moore-Read Pfaffian state thought to describe the fractional quantum Hall effect…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Michael. R. Peterson , Th. Jolicoeur , S. Das Sarma

We present and discuss the results of a Monte-Carlo simulation of the phase transition in pure compact U(1) lattice gauge theory with Wilson action on a hypercubic lattice with periodic boundary conditions. The statistics are large enough…

High Energy Physics - Lattice · Physics 2009-10-30 Claude Roiesnel

In this paper we consider classical and quantum versions of the critical long-range $O(N)$ model, for which we study finite-size and finite-temperature effects, respectively, at large $N$. First, we consider the classical (isotropic) model,…

High Energy Physics - Theory · Physics 2024-02-16 Dario Benedetti , Razvan Gurau , Sabine Harribey , Davide Lettera

The ferromagnetic properties of epitaxial La$_{0.5}$Sr$_{0.5}$CoO$_3$ thin films have been studied. The magnetic transition is affected by both strain and finite thickness. We have used a series of films of different thickness and on…

Materials Science · Physics 2009-11-13 Changkun Xie , J. I. Budnick , B. O. Wells , J. C. Woicik

We present a general derivation of the spectrum of excitations for gapless states of zero entropy density in Bethe ansatz solvable models. Our formalism is valid for an arbitrary choice of bare energy function which is relevant to…

Mathematical Physics · Physics 2016-11-22 I. S. Eliëns , J. -S. Caux

We investigated size effects on thermoelectricity in thin films of a strongly correlated layered cobaltate. At room temperature, the thermopower is independent of thickness down to 6 nm. This unusual behavior is inconsistent with the…

Strongly Correlated Electrons · Physics 2013-12-30 J. Ravichandran , A. K. Yadav , W. Siemons , M. A. McGuire , V. Wu , A. Vailionis , A. Majumdar , R. Ramesh

Finite size effects for the Ising Model coupled to two dimensional random surfaces are studied by exploiting the exact results from the 2-matrix models. The fixed area partition function is numerically calculated with arbitrary precision by…

High Energy Physics - Theory · Physics 2009-10-28 N. D. Hari Dass , B. E. Hanlon , T. Yukawa