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Glassy dynamics and charge transport are studied for the polymeric Ionic Liquid (PIL) poly(tris(2-(2-methoxyethoxy)ethyl)ammonium acryloxypropylsulfonate) (PAAPS) with varying molecular weight (9700, 44200, 51600 and 99500 g per mol) by…

Soft Condensed Matter · Physics 2018-10-10 Falk Frenzel , Ryan Guterman , A. Markus Anton , Jiayin Yuan , Friedrich Kremer

Based on the extended optical model approach in which the polarization potential is decomposed into direct reaction (DR) and fusion parts, simultaneous $\chi^{2}$ analyses are performed for elastic scattering and fusion cross section data…

Nuclear Theory · Physics 2009-11-11 W. Y. So , T. Udagawa , K. S. Kim , S. W. Hong , B. T. Kim

The normal state conductivity of a system of interacting large polarons is calculated within the Random Phase approximation and some numerical results are presented. The behaviour of the optical absorption as a function of the charge…

Materials Science · Physics 2007-05-23 V. Cataudella , G. De Filippis , G. Iadonisi

Theoretical framework for the isosteric heat of adsorption is developed treating the effects of the non-ideal gas behavior and the adsorbed phase volume. Rigorous thermodynamic treatment for the adsorbed phase volume is presented for…

Chemical Physics · Physics 2017-09-07 Kyaw Thu , Sourav Mitra , Bidyut Baran Saha

Under a pressure of ~150 GPa solid molecular hydrogen undergoes a phase transition accompanied by a dramatic rise in infra-red absorption in the vibron frequency range. We use the Berry's phase approach to calculate the electric…

Condensed Matter · Physics 2009-10-31 Ivo Souza , Richard M. Martin

A qubit sensor with an electric dipole moment acquires an additional contribution to its depolarization rate when it is placed in the vicinity of a polar or dielectric material as a consequence of electrical noise arising from polarization…

We present a theoretical model, using density matrix approach, to study the effect of weak as well as strong probe field on the optical properties of an inhomogeneously broadened multilevel V-system of the $^{87}$Rb D2 line. We consider the…

Atomic Physics · Physics 2015-12-04 Paramjit Kaur , Vineet Bharti , Ajay Wasan

Statistical theory of the dielectric susceptibility of polar liquid crystals is proposed. The molecules are not uniaxial but similar to cones. It is assumed that the permanent dipole moment of a molecule is parallel to the axis of the…

Soft Condensed Matter · Physics 2011-02-04 A. Kapanowski , T. Wietecha

Temperature dependent photodegradation and recovery studies of Dipserse Orange 11 (DO11) dye dissolved in poly(methyl methacrylate) and polystyrene polymer hosts are used as a test of the recently proposed correlated chromophore domain…

Chemical Physics · Physics 2013-01-08 Shiva K. Ramini , Sheng-Ting Hung , Mark G. Kuzyk

Two modifications of the Thermally Stimulated Depolarization Current method are proposed to improve resolution and sensitivity of the method by connecting either a real capacitor, or an additional resistor in series with the sample. It is…

Materials Science · Physics 2007-05-23 S. N. Fedosov , A. E. Sergeeva , T. A. Revenyuk

This paper presents a new technique to study the adsorption and desorption of ions and electrons on insulating surfaces in the presence of strong electric fields in cryoliquids. The experimental design consists of a compact cryostat coupled…

Several recent experiments on three-dimensional topological insulators claim to observe a large charge current-induced non-equilibrium ensemble spin polarization of electrons in the helical surface state. We present a comprehensive…

Materials Science · Physics 2016-06-29 Pengke Li , Ian Appelbaum

The thermoelectric properties of polythiophene (PT) coupled to the Au (111) electrodes are studied based on density functional theory combined with nonequilibrium Green function formalism. Specially, the effect of Li and Cl adsorbents on…

Mesoscale and Nanoscale Physics · Physics 2018-04-04 Zahra Golsanamlou , Meysam Bagheri Tagani , Hamid Rahimpour Soleimani

We use linear response theory in order to compute the light absorption spectrum, in the terahertz band, of a polariton system composed by excitons in a quantum dot very strongly coupled to the lowest photon mode of a thin micropillar. In a…

Mesoscale and Nanoscale Physics · Physics 2013-10-08 Carlos Andres Vera-Ciro , Alain Delgado , Augusto Gonzalez

High temperature superconductivity was achieved by introducing holes in a parent compound consisting of copper oxide layers separated by spacer layers. It is possible to dope some of the parent compounds with electrons, and their physical…

Strongly Correlated Electrons · Physics 2015-05-19 Cedric Weber , Kristjan Haule , Gabriel Kotliar

We report on a cycling scheme for Doppler cooling of trapped OH$^+$ ions using transitions between the electronic ground state $X^3\Sigma^-$ and the first excited triplet state $A^3\Pi$. We have identified relevant transitions for photon…

Atomic Physics · Physics 2023-11-20 Niccolò Bigagli , Daniel W. Savin , Sebastian Will

We have studied the liquid-like response of the surface of vapour-deposited glassy films of polystyrene to the introduction of gold nanoparticles on the surface. The build-up of polymer material was measured as a function of time and…

Materials Science · Physics 2023-03-15 Junjie Yin , Christian Pedersen , Michael Thees , Andreas Carlson , Thomas Salez , James A Forrest

High sensitivity receiver systems with near ideal polarization sensitivity are highly desirable for development of millimeter and sub-millimeter radio astronomy. Multimoded bolometers provide a unique solution to achieve such sensitivity,…

Instrumentation and Methods for Astrophysics · Physics 2014-07-10 Akito Kusaka , Edward J. Wollack , Thomas R. Stevenson

Dielectric relaxation is universal in characterizing polar liquids and solids, insulators, and semiconductors, and the theoretical models are well developed. However, in high magnetic fields, previously unknown aspects of dielectric…

Materials Science · Physics 2009-11-13 J. S. Brooks , R. Vasic , A. Kismarahardja , E. Steven , T. Tokumoto , P. Schlottmann , S. Kelly

We have theoretically investigated the electronic and magnetic properties of graphene whose zigzag edges are oxidized. The alteration of these properties by adsorption of $\mathrm{H_{2}O}$ and $\mathrm{NH_3}$ molecules have been considered.…

Chemical Physics · Physics 2015-05-14 Julia Berashevich , Tapash Chakraborty