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We investigate the electronic transport through a single molecule in a strong electron-phonon coupling regime. Based on a particle-hole transformation which is made suitable for non-equilibrium situation, we treat the pair tunneling and…

Mesoscale and Nanoscale Physics · Physics 2008-09-24 Myung-Joong Hwang , Mahn-Soo Choi , Rosa Lopez

It is shown that in a structure consisting of a superconducting ring-shaped electrode overlapped by a normal metal contact through a thin oxide barrier, measurements of the tunnel current in magnetic field can probe persistent currents in…

Superconductivity · Physics 2009-04-07 K. Yu. Arutyunov , T. T. Hongisto , D. Y. Vodolazov

In the present work, we theoretically analyze the steady-state thermoelectric transport through a single-molecule junction with a vibrating bridge. Thermally induced charge current in the system is explored using a nonequilibrium Green's…

Mesoscale and Nanoscale Physics · Physics 2016-06-21 Natalya A. Zimbovskaya

Advances in light sources and time resolved spectroscopy have made it possible to excite specific atomic vibrations in solids and to observe the resulting changes in electronic properties but the mechanism by which phonon excitation causes…

Superconductivity · Physics 2017-05-05 Dante M. Kennes , Eli Y. Wilner , David R. Reichman , Andrew J. Millis

A new manifestation of interlayer coherence in strongly polarized double layer quantum Hall systems with total filling factor $\nu=1$ in the presence of a small or zero tunneling is theoretically predicted. It is shown that moving (for…

Mesoscale and Nanoscale Physics · Physics 2016-08-31 R. Khomeriki , M. Abolfath , K. Mullen

We study the influence of a linear energy bias on a non-equilibrium excitation on a chain of molecules coupled to local phonons (a tilted Holstein model) using both a random-walk rate kernel theory and a nonperturbative, massively…

Quantum Physics · Physics 2022-07-29 R. Kevin Kessing , Pei-Yun Yang , Salvatore R. Manmana , Jianshu Cao

Low-temperature transport spectroscopy measurements on a suspended few-hole carbon nanotube quantum dot are presented, showing a gate-dependent harmonic excitation spectrum which, strikingly, occurs in the Coulomb blockade regime. The…

Mesoscale and Nanoscale Physics · Physics 2009-06-02 A. K. Huettel , B. Witkamp , M. Leijnse , M. R. Wegewijs , H. S. J. van der Zant

We treat a tunneling electron coupled to acoustical phonons through a realistic electron phonon interaction: deformation potential and piezoelectric, in two or three-dimensional tunneling configurations. Making use of slowness of the phonon…

Condensed Matter · Physics 2009-10-31 E. Pazy , B. Laikhtman

We consider a transmission line resonator which is driven by electrons tunneling through a voltage-biased tunnel junction. Using the Born-Markovian quantum master equation in the polaron basis we investigate the nonequilibrium photon state…

Mesoscale and Nanoscale Physics · Physics 2016-02-15 Jinshuang Jin , Michael Marthaler , Gerd Schön

We develop a theory to address the non-equilibrium dynamics of phonons in a one-dimensional trapped ion system. We elaborate our earlier results obtained in Phys. Rev. Lett. {\bf 111}, 170406 (2013) to chart out the mechanism of…

Strongly Correlated Electrons · Physics 2016-04-04 T. Dutta , M. Mukherjee , K. Sengupta

Polarons are quasiparticles that arise from the interaction of electrons or holes with lattice vibrations. Though polarons are well-studied across multiple disciplines, experimental observations of polarons in two-dimensional crystals are…

We theoretically analyze phonon-assisted tunneling transport in a quantum dot side connected to a Majorana bound state in a topological superconducting nanowire. We investigate the behavior of the current through the dot, for a range of…

Mesoscale and Nanoscale Physics · Physics 2024-08-07 Levente Máthé , Zoltán Kovács-Krausz , Ioan Botiz , Ioan Grosu , Khadija El Anouz , Abderrahim El Allati , Liviu P. Zârbo

We find an interference effect for electron-phonon interactions in coupled semiconductor quantum dots that can dominate the nonlinear transport properties even for temperatures close to zero. The intradot electron tunnel process leads to a…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Tobias Brandes , Bernhard Kramer

We present measurements of resonant tunneling through discrete energy levels of a silicon double quantum dot formed in a thin silicon-on-insulator layer. In the absence of piezoelectric phonon coupling, spontaneous phonon emission with…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 H. W. Liu , T. Fujisawa , Y. Ono , H. Inokawa , A. Fujiwara , K. Takashina , Y. Hirayama

Phonon-assisted electronic tunnelings through a vibrating quantum dot embedded between normal and superconducting leads are studied in the Kondo regime. In such a hybrid device, with the bias applied to the normal lead, we find a series of…

Strongly Correlated Electrons · Physics 2017-04-05 Zhan Cao , Tie-Feng Fang , Qing-Feng Sun , Hong-Gang Luo

Suspended carbon nanotubes are known to support self-driven oscillations due to electromechanical feedback under certain conditions, including low temperatures and high mechanical quality factors. Prior reports identified signatures of such…

Mesoscale and Nanoscale Physics · Physics 2020-07-28 Kyle Willick , Jonathan Baugh

The formation of extended electron states in one-dimensional nanostructures is of key importance for the function of molecular electronics devices. Here we study the effects of strong electron-phonon interaction on the formation of extended…

Mesoscale and Nanoscale Physics · Physics 2018-10-09 Bruno Schuler , Mats Persson , Sami Paavilainen , Niko Pavliček , Leo Gross , Gerhard Meyer , Jascha Repp

We consider tunneling transitions between states separated by an energy barrier in a simple field theoretical model. We analyse the case of soliton creation induced by collisions of a few highly energetic particles. We present…

High Energy Physics - Theory · Physics 2009-11-10 D. G. Levkov , S. M. Sibiryakov

Transport through a metallic carbon nanotube is considered, where electrons are injected in the bulk by a scanning tunneling microscope tip. The charge current and noise are computed both in the absence and in the presence of one…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 A. Crepieux , R. Guyon , P. Devillard , T. Martin

We study the transport properties of the quantum Hall bilayers systems looking closely at the effect that disorder and electron-phonon interaction have on the interlayer tunnelling current in the presence of an in-plane magnetic field…

Strongly Correlated Electrons · Physics 2010-02-25 O. G. C. Ros , D. K. K. Lee