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Despite the desirability of polymers for use in many products due to their flexibility, light weight, and durability, their status as thermal insulators has precluded their use in applications where thermal conductors are required. However,…

Computational Physics · Physics 2023-10-26 Ethan Abraham , Mohammadhasan Dinpajooh , Clàudia Climent , Abraham Nitzan

Artificial cavity photon resonators with ultrastrong light-matter interactions are attracting interest both in semiconductor and superconducting systems, due to the possibility of manipulating the cavity quantum electrodynamic ground state…

Materials with ultralow thermal conductivity are of great interest for efficient energy conversion and thermal barrier coating. Copper-based semiconductors such as copper chalcogenides and copper halides are known to possess extreme low…

We study a system of interacting matter quasiparticles strongly coupled to photons inside an optomechanical cavity. The resulting normal modes of the system are represented by hybrid polaritonic quasiparticles, which acquire effective…

Quantum Gases · Physics 2017-02-27 N. Bobrovska , M. Matuszewski , T. C. H. Liew , O. Kyriienko

Electronic conduction in conjugated polymers is of emerging technological interest for high-performance optoelectronic and thermoelectric devices. A completely new aspect and understanding of the conduction mechanism on conducting polymers…

Materials Science · Physics 2015-08-18 Asli Ugur , Ferhat Katmis , Mingda Li , Lijun Wu , Yimei Zhu , Kripa K. Varanasi , Karen K. Gleason

Highly filled conductive polymer composites (CPCs) are widely used in applications such as bipolar plate materials for polymer electrolyte membrane fuel cells and redox flow batteries, electromagnetic interference shielding and sensors due…

Materials Science · Physics 2023-01-03 Thomas Larsen , Tom Larsen , Søren J. Andreasen , Jesper D. C. Christiansen

The transport properties of nanostructured systems are deeply affected by the geometry of the effective connections to metallic leads. In this work we derive a conductance expression for interacting systems whose connectivity geometries do…

Mesoscale and Nanoscale Physics · Physics 2017-09-15 Luis G. G. V. Dias da Silva , Caio H. Lewenkopf , Edson Vernek , Gerson J. Ferreira , Sergio E. Ulloa

Recently, we predicted theoretically that in cavities that support several longitudinal modes, strong coupling can occur in very different manners, depending on the system parameters. Distinct longitudinal cavity modes are either entangled…

Quantum Physics · Physics 2023-10-10 M. Godsi , A. Golombek , M. Balasubrahmaniyam , T. Schwartz

We study a mechanism to induce superconductivity in atomically thin semiconductors where excitons mediate an effective attraction between electrons. Our model includes interaction effects beyond the paradigm of phonon-mediated…

Mesoscale and Nanoscale Physics · Physics 2024-11-28 Jonas von Milczewski , Xin Chen , Atac Imamoglu , Richard Schmidt

Conditions at which a quasi-one-dimensional (1D) electron system can be considered as a quantum liquid of impenetrable charged particles are theoretically analyzed. In the presence of an inert, neutralizing background, a motion of…

Superconductivity · Physics 2024-06-21 Yu. P. Monarkha

The development of efficient techniques to distinguish mirror images of chiral molecules (enantiomers) is very important in both chemistry and physics. Enantiomers share most molecular properties except, for instance, the absorption of…

Chemical Physics · Physics 2023-07-11 Rosario R. Riso , Laura Grazioli , Enrico Ronca , Tommaso Giovannini , Henrik Koch

We study the differences in electrical charge transport dynamics of the conductivity enhancement of poly(3,4-ethylenedioxythiophene) (PEDOT) derivatives under geometrical confinement. The results of polymer blend poly(3,4-ethylene…

Materials Science · Physics 2022-03-04 Sukanya Das , Anil Kumar , K. S. Narayan

Non-reciprocal couplings or drivings are known to induce steady-state, directional, amplification in driven-dissipative bosonic lattices. This amplification phenomenon has been recently linked to the existence of a non-zero topological…

We demonstrate an efficient switching between strong and weak exciton-photon coupling regimes in microcavity-embedded asymmetric double quantum wells, controlled by an applied electric field. We show that a fine tuning of the electric field…

Mesoscale and Nanoscale Physics · Physics 2015-11-02 K. Sivalertporn , E. A. Muljarov

Monolayer transition metal dichalcogenides (TMDs) host deeply bound excitons interacting with itinerant electrons, and as such they represent an exciting new quantum many-body Bose-Fermi mixture. Here, we demonstrate that electrons…

Superconductivity · Physics 2022-10-24 Aleksi Julku , Jami J. Kinnunen , Arturo Camacho-Guardian , Georg M. Bruun

The pyroresistive response of conductive polymer composites (CPCs) has attracted much interest because of its potential applications in many electronic devices requiring a significant responsiveness to changes in external physical…

Soft Condensed Matter · Physics 2024-06-11 Ettore Barbieri , Emiliano Bilotti , Yi Liu , Claudio Grimaldi

It was stated earlier that in the samples of PVC films plasticized by a new type of plasticizer (modifier-A) abnormal transitions are possible from the state of low electrical conductivity to the state of high conductivity. For the first…

Materials Science · Physics 2012-11-16 V. I. Kryshtob , L. A. Apresyan , D. V. Vlasov , T. D. Vlasova

Recently there has been paid much attention to phenomena caused by local anharmonic vibrations of the guest ions encapsulated in polyhedral cages of materials such as pyrochlore oxides, filled skutterdites and clathrates. We theoretically…

Materials Science · Physics 2015-05-13 Hideki Matsumoto , Tatsuya Mori , Kei Iwamoto , Shohei Goshima , Syunsuke Kushibiki , Naoki Toyota

Macroscopic spontaneous coherence of exciton-polariton in semiconductor cavity is one important research field in condensed matter physics. All-inorganic micro/nanowire Fabry-P\'erot cavity with excellent optical performance makes it…

Mesoscale and Nanoscale Physics · Physics 2017-11-16 Wenna Du , Shuai Zhang , Jia Shi , Jie Chen , Zhiyong Wu , Yang Mi , Zhixiong Liu , Yuanzheng Li , Xinyu Sui , Tom Wu , Yunfeng Xiao , Qing Zhang , Xinfeng Liu

For an electron gas with delta-function attraction we investigate the crossover from weak- to strong-coupling supercoductivity in two and three dimensions. We derive analytic expressions for the stiffness of phase fluctuations and set up…

Condensed Matter · Physics 2009-10-31 E. Babaev , H. Kleinert