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The dielectric behavior of a linear cluster of two or more living cells connected by tight junctions is analyzed using a spectral method. The polarizability of this system is obtained as an expansion over the eigenmodes of the linear…

Biological Physics · Physics 2010-02-12 Titus Sandu , Daniel Vrinceanu , Eugen Gheorghiu

The interaction between excited states of a molecule and excited states of metal nanostructure (e.g. plasmons) leads to hybrid states with modified optical properties. When plasmon resonance is swept through molecular transition frequency…

Chemical Physics · Physics 2022-05-04 Monosij Mondal , Maicol A. Ochoa , Maxim Sukharev , Abraham Nitzan

Intermixed light-matter quasiparticles - polaritons - possess unique optical properties owned to their compositional nature. These intriguing hybrid states have been extensively studied over the past decades in a wide range of realizations…

In this article, we present a numerical study of the optical properties of a metal nanowire interacting with a localized cavity in a two dimensional photonic crystal. The nature of the modes, their wavelength and width are investigated as a…

The effects of mutual Coulomb interactions between Dirac fermions in monolayer graphene on the Hofstadter energy spectrum have been studied. Our studies indicate that the effects of the interaction depend strongly on the amplitude of the…

Mesoscale and Nanoscale Physics · Physics 2015-06-29 Vadym Apalkov , Tapash Chakraborty

Recent developments in studies of multiparticle correlations in high energy particle collisions are reviewed. Both experimental data and theoretical results in quantum chromodynamics are discussed. Application of the developed methods to…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. M. Dremin

The present work deals with the dynamical system investigation of interacting dark energy models (quintessence and phantom) in the framework of Loop Quantum Cosmology by taking into account a broad class of self-interacting scalar field…

General Relativity and Quantum Cosmology · Physics 2017-11-01 Hmar Zonunmawia , Wompherdeiki Khyllep , Nandan Roy , Jibitesh Dutta , Nicola Tamanini

Light-matter interactions can occur when an ensemble of molecular resonators is placed in a confined electromagnetic field. In the strong coupling regime the rapid exchange of energy between the molecules and the electromagnetic field…

Mesoscale and Nanoscale Physics · Physics 2020-08-10 Philip A. Thomas , Wai Jue Tan , Henry A. Fernandez , William L. Barnes

We study the electronic states of graphene in piecewise constant potentials using the continuum Dirac equation appropriate at low energies, and a transfer matrix method. For superlattice potentials, we identify patterns of induced Dirac…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 D. P. Arovas , L. Brey , H. A. Fertig , Eun-Ah Kim , K. Ziegler

Modern biological techniques such as Hi-C permit to measure probabilities that different chromosomal regions are close in space. These probabilities can be visualised as matrices called contact maps. In this paper, we introduce a…

Biomolecules · Quantitative Biology 2020-10-21 Simone Pigolotti , Mogens H. Jensen , Yinxiu Zhan , Guido Tiana

We model energy transfer between two coupled four-level chromophores with arbitrarily spaced energy levels. Our analysis takes into account the crucial---yet often ignored---process of initial excitation by light that is incident on the…

Quantum Physics · Physics 2012-02-17 Chi-Han Chang , Agata M. Branczyk , Gregory D. Scholes , Daniel F. V. James

We present a detailed study of the electroluminescence of intersubband devices operating in the light-matter strong coupling regime. The devices have been characterized by performing angle resolved spectroscopy that shows two distinct light…

Mesoscale and Nanoscale Physics · Physics 2012-12-27 Pierre Jouy , Angela Vasanelli , Yanko Todorov , Luca Sapienza , Raffaele Colombelli , Ulf Gennser , Carlo Sirtori

We study the thermally fluctuating state of a bi-layer cuprate superconductor under the periodic action of a staggered field oscillating at optical frequencies. This analysis distills essential elements of the recently discovered phenomenon…

Superconductivity · Physics 2015-03-13 R. Höppner , B. Zhu , T. Rexin , A. Cavalleri , L. Mathey

e study theoretically, the photoluminescence properties of a single quantum dot in a microcavity under incoherent excitation. We propose a microscopic quantum statistical approach providing a Lindblad (thus completely positive) description…

Mesoscale and Nanoscale Physics · Physics 2009-06-09 A. Ridolfo , O. Di Stefano , S. Portolan , S. Savasta

Following the lifespan of optical excitations from their creation to decay into photons is crucial in understanding materials optical properties. Macroscopically, techniques such as the photoluminescence excitation spectroscopy provide…

We observe large, reversible, bias driven changes in the vibrational energies of PCBM, based on simultaneous transport and surface-enhanced Raman spectroscopy (SERS) measurements on PCBM-gold junctions. A combination of linear and quadratic…

Mesoscale and Nanoscale Physics · Physics 2016-05-11 Yajing Li , Pavlo Zolotavin , Peter Doak , Leeor Kronik , Jeffrey B. Neaton , Douglas Natelson

Strong interaction between light and matter waves, such as electron beams in electron microscopes, has recently emerged as a new tool for understanding entanglement. Here, we systematically investigate electron-light interactions from first…

Optics · Physics 2020-08-26 Nahid Talebi

Dynamically probing systems of ultrastrongly coupled light and matter by advanced coherent control has been recently proposed as a unique tool for detecting peculiar quantum features of this regime. Coherence allows in principle on-demand…

Quantum Physics · Physics 2021-05-26 A. Ridolfo , J. Rajendran , L. Giannelli , E. Paladino , G. Falci

Under the local plasmonic excitation, the Raman images of a single molecule can now reach sub-nanometer resolution. We report here a theoretical description of the interaction between a molecule and a highly confined plasmonic field. It is…

Mesoscale and Nanoscale Physics · Physics 2015-08-06 Sai Duan , Guangjun Tian , Yongfei Ji , Jiushu Shao , Zhenchao Dong , Yi Luo

Room temperature cavity quantum electrodynamics with molecular materials in optical cavities offers exciting prospects for controlling electronic, nuclear and photonic degrees of freedom for applications in physics, chemistry and materials…

Quantum Physics · Physics 2025-01-15 Felipe Herrera , William L. Barnes