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We introduce a new concept for electrically controlled heat flux modulation. A flux contrast larger than 10 dB is expected with switching time on the order of tens of nanoseconds. Heat flux modulation is based on the interplay between…

Mesoscale and Nanoscale Physics · Physics 2011-04-18 P. J. van Zwol , K. Joulain , P. Ben Abdallah , J. J. Greffet , J. Chevrier

Viscoelasticity of the cytoplasm plays a critical role in cell morphology and division. In parallel, local temperature is coupled to viscoelasticity and influences cellular bioenergetics. Probing the interdependence of intracellular…

A mechanically bistable single-walled carbon nanotube can act as a variable-shaped capacitor with a voltage-controlled transition between collapsed and inflated states. This external control parameter provides a means to tune the system so…

Mesoscale and Nanoscale Physics · Physics 2015-05-20 Oleg E. Shklyaev , Eric Mockensturm , Vincent H. Crespi

We investigate the interplay between the thermodynamic properties and spin-dependent transport in a mesoscopic device based on a magnetic multilayer (F/f/F), in which two strongly ferromagnetic layers (F) are exchange-coupled through a…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 A. M. Kadigrobov , S. Andersson , D. Radic , R. I. Shekhter , M. Jonson , V. Korenivski

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

Ground state cooling of a nanomechanical resonator coupled to a superconducting flux qubit is discussed. We show that by inducing quantum interference to cancel detrimental carrier excitations, ground state cooling becomes possible in the…

Quantum Physics · Physics 2015-05-13 K. Xia , J. Evers

We propose a superconducting phase-controlled thermal switch based on a four-terminal graphene-superconductor system. By the coupling of two superconducting leads on a zigzag graphene nanoribbon, both the normal-transmission coefficient and…

Mesoscale and Nanoscale Physics · Physics 2024-10-30 Peng-Yi Liu , Yue Mao , Qing-Feng Sun

High-performance photonic switches are essential for large-scale optical routing for AI large models and Internet of things. Realizing nonvolatility can further reduce power consumption and expand application scenarios. We propose a…

Applied Physics · Physics 2024-09-12 Qian Ma , Yinpeng Hu , Ye Lu , Yunzhi Liu , Huan Li , Daoxin Dai

We propose using a phonon pumping mechanism to transfer heat from a cold to a hot body using a propagating modulation of the medium connecting the two bodies. This phonon pump can cool nanomechanical systems without the need for active…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Claudio Chamon , Eduardo R. Mucciolo , Liliana Arrachea , Rodrigo B. Capaz

The behaviors of resistance, magnetoresistance (up to 5 T), and Hall electromotive force (EMF) with varying temperature (from 10 to 300 K) and measuring current (from 10 mkA to 10 mA) are studied for the Si sample with CrSi2…

Mesoscale and Nanoscale Physics · Physics 2014-10-14 V. V. Andrievskii , Yu. F. Komnik , I. B. Berkutov , I. G. Mirzoiev , N. G. Galkin , D. L. Goroshko

We propose a simple model of a nanoswitch as a memory resistor. The resistance of the nanoswitch is determined by electron tunneling through a nanoparticle diffusing around one or more potential minima located between the electrodes in the…

Mesoscale and Nanoscale Physics · Physics 2013-04-17 Sergey E. Savel'ev , Fabio Marchesoni , Alexander M. Bratkovsky

Digital quantum simulators are among the most appealing applications of a quantum computer. Here we propose a universal, scalable, and integrated quantum computing platform based on tunable nonlinear electromechanical nano-oscillators. It…

Quantum Physics · Physics 2018-06-20 F. Tacchino , A. Chiesa , M. D. LaHaye , S. Carretta , D. Gerace

We investigate the efficiency of cooling the vibrations of a nano-mechanical resonator, constituted by a partially suspended Carbon-nanotube and operating as double-quantum dot. The motion is brought to lower temperatures by tailoring the…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 Stefano Zippilli , Adrian Bachtold , Giovanna Morigi

The strong coupling between electronic transport in a single-level quantum dot and a capacitively coupled nano-mechanical oscillator may lead to a transition towards a mechanically-bistable and blocked-current state. Its observation is at…

Mesoscale and Nanoscale Physics · Physics 2016-09-28 G Micchi , Rémi Avriller , F Pistolesi

Optical mode-splitting is an efficient tool to shape and fine-tune the spectral response of resonant nanophotonic devices. The active control of mode-splitting, however, is either small or accompanied by undesired resonance shifts, often…

Developing electronic devices capable of emulating biological functions is essential for advancing brain-inspired computation paradigms such as neuromorphic computing. In recent years, two-dimensional materials have emerged as promising…

We propose a nanoscale device consisting of a double quantum dot with a full exchange and pair hopping interaction. In this design, the current can only flow through the upper dot, but is sensitive to the spin state of the lower dot. The…

Mesoscale and Nanoscale Physics · Physics 2025-02-25 Pierre Lombardo , Imam Makhfudz , Steffen Schäfer , Roland Hayn

Quantum states of strongly correlated electrons are of prime importance to understand exotic properties of condensed matter systems and the controllability over those states promises unique electronic devices such as a Mott memory. As a…

Materials Science · Physics 2017-07-12 Doohee Cho , Sangmo Cheon , Ki-Seok Kim , Sung-Hoon Lee , Yong-Heum Cho , Sang-Wook Cheong , Han Woong Yeom

The microelectronics industry is pushing the fundamental limit on the physical size of individual elements to produce faster and more powerful integrated chips. These chips have nanoscale features that dissipate power resulting in nanoscale…

Applied Physics · Physics 2020-11-23 Qilong Cheng , Sukumar Rajauria , Erhard Schreck , Robert Smith , Na Wang , Jim Reiner , Qing Dai , David Bogy

We introduce a new entangling gate between two fixed-frequency qubits statically coupled via a microwave resonator bus which combines the following desirable qualities: all-microwave control, appreciable qubit separation for reduction of…

Quantum Physics · Physics 2013-12-03 Jerry M. Chow , Jay M. Gambetta , Andrew W. Cross , Seth T. Merkel , Chad Rigetti , M. Steffen
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