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Carbon nanotubes provide one of the most accessible experimental realizations of one dimensional electron systems. In the experimentally relevant regime of low doping the Luttinger liquid formed by electrons may be approximated by a Wigner…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Raphael Matthews , Oded Agam , Anton Andreev , Boris Spivak

Band-to-band tunneling (BTBT) devices have recently gained a lot of interest due to their potential for reducing power dissipation in integrated circuits. We have performed extensive simulations for the BTBT operation of carbon nanotube…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Siyuranga O. Koswatta , Mark S. Lundstrom , Dmitri E. Nikonov

We perform analysis of the band structure, phonon dispersion, and electron-phonon interactions in three types of small-radius carbon nanotubes. We find that the (5,5) can be described well by the zone-folding method and the electron-phonon…

Superconductivity · Physics 2009-11-10 Ryan Barnett , Eugene Demler , Efthimios Kaxiras

Photoinduced electronic transitions are complex quantum-mechanical processes where electrons move between energy levels due to light absorption. This induces dynamics in electronic structure and nuclear geometry, driving important physical…

Human-Computer Interaction · Computer Science 2025-02-25 Mohit Sharma , Talha Bin Masood , Nanna Holmgaard List , Ingrid Hotz , Vijay Natarajan

Carbon Nanotubes (CNTs) are one of the most important materials in nanotechnology. In some of their technological applications (electromechanical oscillators and mechanical actuators for artificial muscles, for instance), it is necessary to…

Mesoscale and Nanoscale Physics · Physics 2015-10-02 Jose M. de Sousa , Pedro A. S. Autreto , Douglas S. Galvao

Bi-stable mechanical resonators play a significant role in various applications, such as sensors, memory elements, and quantum computing. While carbon nanotube (CNT) based resonators have been widely investigated as promising nano…

Mesoscale and Nanoscale Physics · Physics 2022-10-25 S. Rechnitz , T. Tabachnik , M. Shlafman , S. Shlafman , Y. E. Yaish

Quantum applications of solid state systems base upon generation and control of coherent electronic excitations. Prominent examples are exciton states in semiconductors excitable by photons. The high oscillator strength of electric-dipole…

Materials Science · Physics 2025-07-31 A. Farenbruch , N. V. Siverin , G. Uca , D. Fröhlich , D. R. Yakovlev , M. Bayer

We describe a new experimental approach to probabilistic atom-photon (signal) entanglement. Two qubit states are encoded as orthogonal collective spin excitations of an unpolarized atomic ensemble. After a programmable delay, the atomic…

We investigate the electronic transport properties of semiconducting ($m$,$n$) carbon nanotubes (CNTs) on the mesoscopic length scale with arbitrarily distributed realistic defects. The study is done by performing quantum transport…

Mesoscale and Nanoscale Physics · Physics 2018-11-26 Fabian Teichert , Andreas Zienert , Jörg Schuster , Michael Schreiber

Quantum entangled photons provide a sensitive probe of many-body interactions and offer an unique experimental portal for quantifying many-body correlations in a material system. In this paper, we present a theoretical demonstration of how…

Quantum Physics · Physics 2020-03-18 Eric R. Bittner , Hao Li , Andrei Piryatinski , Ajay Ram Srimath Kandada , Carlos Silva

We investigate theoretically the feasibility of generation and amplification of terahertz radiation in aligned achiral carbon nanotubes (zigzag and armchair) in comparison with a superlattice in the presence of a constant (dc) and…

Mesoscale and Nanoscale Physics · Physics 2015-02-18 S. S. Abukari , S. Y. Mensah , N. G. Mensah , K. W. Adu , M. Rabiu , K. A. Dompreh , A. Twum

Starting from a statistical model of the electron, which explains spin and spin measurements in terms of a probability density distribution resulting from a rapidly changing angular momentum during an extended Zitterbewegung, a light-like…

General Physics · Physics 2017-04-05 Arend Niehaus

We describe the electro-thermal transport in metallic carbon nanotubes (m-CNTs) by a semi-classical approach that takes into account the high-field dynamical interdependence between charge carrier and phonon populations. Our model is based…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Marcelo A. Kuroda , Jean Pierre Leburton

The proton elastic form factor ratio shows a discrepancy between measurements using the Rosenbluth technique in unpolarized beam and target experiments and measurements using polarization degrees of freedom. The proposed explanation of this…

Nuclear Experiment · Physics 2021-05-12 Jan C. Bernauer , Volker D. Burkert , Ethan Cline , Axel Schmidt , Youri Sharabian

Polarized optical microscopy and spectroscopy are progressively becoming key methods for the high-throughput characterization of individual carbon nanotubes (CNTs) and other one-dimensional nanostructures, on substrate and in devices. The…

The atom-photon entanglement of dressed atom and its spontaneous emission in a Double-Lambda closed-loop atomic system is studied in multi-photon resonance condition. It is shown that, even in the absence of quantum interference due to the…

Atomic and Molecular Clusters · Physics 2015-02-03 Zeinab Kordi , Saeed Ghanbari , Mohammad Mahmoudi

The narrowing of electron and ion wave packets in the process of photoionization is investigated, with the electron-ion recoil fully taken into account. Packet localization of this type is directly related to entanglement in the joint…

Quantum Physics · Physics 2009-11-10 M. V. Fedorov , M. A. Efremov , A. E. Kazakov , K. W. Chan , C. K. Law , J. H. Eberly

We observe coherent population trapping (CPT) in a two-electron atom---$^{174}$Yb---using the $\rm {^1S_0,F=0} \rightarrow {^3P_1,F'=1}$ transition. CPT is not possible for such a transition according to one-electron theory because the…

Optics · Physics 2015-04-02 Alok K. Singh , Vasant Natarajan

The effects of lattice distortion and chemical disorder on charge transport properties of two-terminal zigzag phosphorene nanoribbons (zPNRs), which shows resonant tunneling behavior under an electrical applied bias, are studied. Our…

Mesoscale and Nanoscale Physics · Physics 2018-11-21 Zahra Nourbakhsh , Reza Asgari

In the present contribution, by studying a fractional version of Dirac's equation for the electron, we show that the phenomenon of Zitterbewegung in a coarse-grained medium exhibits a transient oscillatory behavior, rather than a purely…

High Energy Physics - Theory · Physics 2016-02-22 José Weberszpil , José Abdalla Helayël-Neto