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Many-body entanglement is at the heart of the Kondo effect, which has its hallmark in quantum dots as a zero-bias conductance peak at low temperatures. It signals the emergence of a conducting singlet state formed by a localized dot degree…

Mesoscale and Nanoscale Physics · Physics 2016-09-01 M. Niklas , S. Smirnov , D. Mantelli , M. Marganska , N. -V. Nguyen , W. Wernsdorfer , J. -P. Cleuziou , M. Grifoni

The dynamics of coherent electron-phonon (el-ph) states is investigated for a suspended nanostructure. Exact quantum dynamics calculations reveal that electron and phonons (comprising a thermal bath) couple quantum mechanically to perform…

Quantum Physics · Physics 2007-11-13 Luis G. C. Rego

We present a simple technique which uses a self-aligned oxide etch to suspend individual single-wall carbon nanotubes between metallic electrodes. This enables one to compare the properties of a particular nanotube before and after…

Mesoscale and Nanoscale Physics · Physics 2012-09-05 Jesper Nygard , David H. Cobden

Transport in suspended metallic single wall carbon nanotubes in the presence of strong electron-electron interaction is investigated. We consider a tube of finite length and discuss the effects of the coupling of the electrons to the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Wataru Izumida , Milena Grifoni

A suspended carbon nanotube can act as a nanoscale resonator with remarkable electromechanical properties and the ability to detect adsorption on its surface at the level of single atoms. Understanding adsorption on nanotubes and other…

Mesoscale and Nanoscale Physics · Physics 2012-09-05 Zenghui Wang , Jiang Wei , Peter Morse , J. Gregory Dash , Oscar E. Vilches , David H. Cobden

The transversely confined propagating light modes of a nano-photonic optical waveguide or nanofiber can mediate effectively infinite-range forces. We show that for a linear chain of particles trapped within the waveguide's evanescent field,…

Quantum Physics · Physics 2021-05-10 Daniela Holzmann , Matthias Sonnleitner , Helmut Ritsch

We describe an approach to electrically control the strong interaction between a single electron spin and the vibrational motion of a suspended carbon nanotube resonator. The strength of the deflection-induced spin-phonon coupling is…

Quantum Physics · Physics 2015-10-20 Fang-Yu Hong , Jing-Li Fu , Yan Wu , Zhi-Yan Zhu

This paper discusses the development of a novel setup to achieve Phonon Antibunching at near Kelvin temperaturesusing carbon nanotubes. A previously experimentally studied electro-mechanical single carbon nanotube setup is pro-posed to be…

Quantum Physics · Physics 2021-12-14 Sai Subramanian B , Prabhu Rajagopal

Semiconductor quantum dots are an attractive platform for the realisation of quantum processors. To achieve long-range coupling between them, quantum dots have been integrated into microwave cavities. However, it has been shown that their…

In this letter we present an experimental realization of the quantum mechanics textbook example of two interacting electronic quantum states that hybridize forming a molecular state. In our particular realization, the quantum states…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 M. R. Graeber , M. Weiss , D. Keller , S. Oberholzer , C. Schoenenberger

The interplay between discrete vibrational and electronic degrees of freedom directly influences the chemical and physical properties of molecular systems. This coupling is typically studied through optical methods such as fluorescence,…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 B. J. LeRoy , S. G. Lemay , J. Kong , C. Dekker

Hybrid circuit quantum electrodynamics (QED) involves the study of coherent quantum physics in solid state systems via their interactions with superconducting microwave circuits. Here we present an implementation of a hybrid superconducting…

Nanoelectromechanical systems (NEMs) hold promise for a number of scientific and technological applications. In particular, NEMs oscillators have been proposed for use in ultrasensitive mass detection, radio-frequency signal processing, and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Vera Sazonova , Yuval Yaish , Hande Ustunel , David Roundy , Tomas A. Arias , Paul L. McEuen

The article reviews recent progress in the theoretical understanding of near-field surface electromagnetic phenomena in pristine and atomically doped carbon nanotubes. The phenomena involving strong coupling effects are outlined. They are…

Mesoscale and Nanoscale Physics · Physics 2010-11-01 I. V. Bondarev

Mechanical oscillators have been demonstrated with very high quality factors over a wide range of frequencies. These also couple to a wide variety of fields and forces, making them ideal as sensors. The realization of a mechanically-based…

Mesoscale and Nanoscale Physics · Physics 2021-08-24 F. Pistolesi , A. N. Cleland , A. Bachtold

We report electrical transport measurements through a semiconducting single-walled carbon nanotube (SWNT) with three additional top-gates. At low temperatures the system acts as a double quantum dot with large inter-dot tunnel coupling…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. R. Graeber , W. A. Coish , C. Hoffmann , M. Weiss , J. Furer , S. Oberholzer , D. Loss , C. Schoenenberger

We study 23 to 30 nm long suspended single-wall carbon nanotube quantum dots and observe both their stretching and bending vibrational modes. We use low-temperature DC electron transport to excite and measure the tubes' bending mode by…

Mesoscale and Nanoscale Physics · Physics 2012-09-21 J. O. Island , V. Tayari , A. C. McRae , A. R. Champagne

Carbon nanotube with electric fluxes confined in one dimension is studied. We show that a Coulomb interaction \propto |x| leads to a confinement phase with many properties similar to QCD in 4D. Low-energy physics is described by the massive…

Strongly Correlated Electrons · Physics 2023-03-07 Takashi Oka

The influence of the electron-vibron coupling on the transport properties of a strongly interacting quantum dot built in a suspended carbon nanotube is analyzed. The latter is probed by a charged AFM tip scanned along the axis of the CNT…

Mesoscale and Nanoscale Physics · Physics 2016-11-25 N. Traverso Ziani , F. Cavaliere , M. Sassetti

A nanoelectromechanical weak link composed of a carbon nanotube suspended between two normal electrodes in a gap between two superconducting leads is considered. The nanotube is treated as a movable single-level quantum dot in which the…

Mesoscale and Nanoscale Physics · Physics 2022-06-09 O. M. Bahrova , S. I. Kulinich , L. Y. Gorelik , R. I. Shekhter , H. C. Park