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We show that the vibrations of a nanomechanical resonator can be cooled to near its quantum ground state by tunnelling injection of electrons from an STM tip. The interplay between two mechanisms for coupling the electronic and mechanical…

Mesoscale and Nanoscale Physics · Physics 2011-05-12 F. Santandrea , L. Y. Gorelik , R. I. Shekhter , M. Jonson

We investigate the electronic transport through a suspended carbon-nanotube quantum dot. In the presence of a magnetic field perpendicular to the nanotube and a nearby metallic gate, two forces act on the electrons: the Laplace and the…

Mesoscale and Nanoscale Physics · Physics 2012-07-19 Gianluca Rastelli , Manuel Houzet , Leonid I. Glazman , Fabio Pistolesi

We report low temperature transport measurements on suspended single walled carbon nanotubes (both individual tubes and ropes). The technique we have developed, where tubes are soldered on low resistive metallic contacts across a slit,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. Kasumov , M. Kociak , M. Ferrier , R. Deblock , S. Gueron , B. Reulet , I. Khodos , O. Stephan , H. Bouchiat

Antenna-coupled suspended single carbon nanotubes exposed to 108 GHz microwave radiation are shown to be selectively heated with respect to their metal contacts. This leads to an increase in the conductance as well as to the development of…

Mesoscale and Nanoscale Physics · Physics 2012-06-05 H. L. Hortensius , A. Ozturk , P. Zeng , E. F. C. Driessen , T. M. Klapwijk

A microscopic analysis of the superconducting quantum critical point realized via a pair-breaking quantum phase transition is presented. Finite temperature crossovers are derived for the electrical conductivity, which is a key probe of…

Superconductivity · Physics 2007-09-19 N. Shah , A. V. Lopatin

We propose an experimentally viable setup for the realization of one-dimensional ultracold atom gases in a nanoscale magnetic waveguide formed by single doubly-clamped suspended carbon nanotubes. We show that all common decoherence and atom…

Quantum Physics · Physics 2007-05-23 V. Peano , M. Thorwart , A. Kasper , R. Egger

Single-electron transistors embedded in a vibrating nanoresonator such as a doubly-clamped carbon nanotube exhibit effects stemming from the coupling between electronic and vibrational degrees of freedom. In particular, a capacitive…

Mesoscale and Nanoscale Physics · Physics 2011-10-03 Guillaume Weick , Dominique M. -A. Meyer

A model for the cooling properties of a nanocantilever by a free electron beam is presented for a capacitive interaction. The optimal parameters for position sensing and cooling applications are estimated from previous experimental…

Mesoscale and Nanoscale Physics · Physics 2018-08-22 A. Descombin , S. Perisanu , P. Poncharal , P. Vincent , S. Purcell , A. Ayari

We study non-Gaussian out-of-equilibrium current fluctuations in a mesoscopic NSN circuit at the point of a superconducting phase transition. The setup consists of a voltage-biased thin film nanobridge superconductor (S) connected to two…

Superconductivity · Physics 2015-06-22 Dmitry Bagrets , Alex Levchenko

We develop the theory describing the quantum coupled dynamics of the center-of-mass motion of a nanoparticle and an ensemble of ions co-trapped in a dual-frequency linear Paul trap. We first derive analytical expressions for the motional…

We investigate the effect of electron-phonon coupling on low temperature phases in metallic single-wall carbon nanotubes. We obtain low-temperature phase diagrams of armchair and zigzag type nanotubes with screened interactions with a…

Strongly Correlated Electrons · Physics 2018-11-14 Junichi Okamoto , Ludwig Mathey , Wen-Min Huang

While heating of a current carrying Ohmic conductors is an obvious consequence of the diffusive nature of the conduction in such systems, current induced cooling has been recently reported in some molecular conduction junctions. In this…

Mesoscale and Nanoscale Physics · Physics 2009-09-25 Michael Galperin , Keiji Saito , Alexander V. Balatsky , Abraham Nitzan

We study the effect of temperature on the tunnel current in a structure based on gold clusters taking into consideration their discrete electronic spectra. We suggest that an overheating of electron subsystem leads to the disappearance of a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 V. V. Pogosov , E. V. Vasyutin , A. V. Babich

We report measurements of the spatial dependence of the electron energy distribution in carbon nanotubes, from which electron interactions are determined. Using nonequilibrium tunneling spectroscopy with multiple superconducting probes, we…

Mesoscale and Nanoscale Physics · Physics 2015-04-17 Nicholas Bronn , Nadya Mason

The dc Josephson effect is investigated in a single-walled metallic carbon nanotube connected to two superconducting leads. In particular, by using the Luttinger liquid theory, we analyze the effects of the electron-electron interaction on…

Strongly Correlated Electrons · Physics 2009-11-13 Stefano Pugnetti , Fabrizio Dolcini , Rosario Fazio

Density functional methods have been used to calculate the electronic properties of aligned smalldiameter single-walled carbon nanotubes under hydrostatic pressures. Abrupt pressure induced semiconductor-metal and metal-semiconductor…

Materials Science · Physics 2008-08-27 Sumit Saxena , Trevor A. Tyson

The qualities of electron refrigeration by means of tunnel junctions between superconducting and normal--metal electrodes are studied theoretically. A suitable approximation of the basic expression for the heat current across those tunnel…

Mesoscale and Nanoscale Physics · Physics 2009-10-28 Heinz-Olaf Muller , K. A. Chao

Strong coupling between electronic and mechanical degrees of freedom is a basic requirement for the operation of any nanoelectromechanical device. In this Review we consider such devices and in particular investigate the properties of small…

Mesoscale and Nanoscale Physics · Physics 2010-04-07 Robert I. Shekhter , Fabio Santandrea , Gustav Sonne , Leonid Y. Gorelik , Mats Jonson

Suspended carbon nanotubes display at cryogenic temperatures a distinct interaction between the quantized longitudinal vibration of the macromolecule and its embedded quantum dot, visible via Franck-Condon conductance side bands in…

Mesoscale and Nanoscale Physics · Physics 2020-09-15 P. L. Stiller , A. Dirnaichner , D. R. Schmid , A. K. Hüttel

We report on experiments conducted on single walled carbon nanotube bundles aligned in chains and connected through a natural contact barrier. The dependence upon the temperature of the transport properties is investigated for samples…

Mesoscale and Nanoscale Physics · Physics 2011-02-24 M. Salvato , M. Cirillo , M. Lucci , S. Orlanducci , I. Ottaviani , M. L. Terranova , F. Toschi
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