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Stacking and twisting two dimensional materials has garnered enormous attention across the condensed matter and the nanophotonic communities. The surge of interest stems from the emergence of novel photophysical phenomena that arise due to…

The density of states of proximitized normal nanowires interrupting superconducting rings can be tuned by the magnetic flux piercing the loop. Using these as the contacts of a single-electron transistor allows to control the energetic…

Mesoscale and Nanoscale Physics · Physics 2019-08-27 Donald Goury , Rafael Sánchez

In this paper a neural network heuristic dynamic programing (HDP) is used for optimal control of the virtual inertia based control of grid connected three phase inverters. It is shown that the conventional virtual inertia controllers are…

Machine Learning · Computer Science 2019-08-19 Sepehr Saadatmand , Mohammad Saleh Sanjarinia , Pourya Shamsi , Mehdi Ferdowsi , Donald C. Wunsch

Both experiments and theoretical studies have demonstrated that the interaction between the current carrying electrons and the induced polarization charge in single-molecule junctions leads to a strong renormalization of molecular charging…

Mesoscale and Nanoscale Physics · Physics 2013-11-22 K. Kaasbjerg , K. Flensberg

In hole-doped high-Tc superconductors, thermal conductivity increases drastically just below Tc, which has been considered as a hallmark of a nodal gap. In contrast, such a coherence peak in thermal conductivity is not visible in…

Superconductivity · Physics 2009-11-13 Hideyuki Hara , Hiroshi Kontani

We consider transport in a diffusive cross-shaped Andreev interferometer geometry, both theoretically and experimentally. A strong and unexpected modulation of the conductance with the superconducting phase is found. In particular, a…

Superconductivity · Physics 2009-11-07 W. Belzig , R. Shaikaidarov , V. V. Petrashov , Yu. V. Nazarov

Hyperbolic metamaterials (HMMs) support propagating waves with arbitrarily large wavevectors over broad spectral ranges, and are uniquely valuable for engineering radiative thermal transport in the near field. Here, by employing a rational…

Optics · Physics 2022-02-04 Qizhang Li , Haiyu He , Qun Chen , Bai Song

We investigated the spectral properties of electromagnetic (EM) enhancement of one-dimensional hotspots (1D HSs) generated between silver nanowire (NW) dimers. The EM enhancement spectra were directly derived by dividing the spectra of…

Optics · Physics 2024-01-10 Tamitake Itoh , Yuko S. Yamamoto

Magnetoresistance (MR) of ion irradiated monolayer graphene samples with variable-range hopping (VRH) mechanism of conductivity was measured at temperatures down to $T = 1.8$ K in magnetic fields up to $B = 8$ T. It was observed that in…

Mesoscale and Nanoscale Physics · Physics 2016-07-14 I. Shlimak , E. Zion , A. V. Butenko , L. Wolfson , V. Richter , Yu. Kaganovskii , A. Sharoni , A. Haran , D. Naveh , E. Kogan , M. Kaveh

Exceptional point degeneracies (EPD) of linear non-Hermitian systems have been recently utilized for hypersensitive sensing. This proposal exploits the sublinear response that the degenerate frequencies experience once the system is…

In this letter, we propose the resonant tunneling diode (RTD) based on a double-barrier graphene/boron nitride (BN) heterostructure as device suitable to take advantage of the elaboration of atomic sheets containing different domains of BN…

Mesoscale and Nanoscale Physics · Physics 2012-08-01 Nguyen Viet Hung , Fulvio Mazzamuto , Arnaud Bournel , Philippe Dollfus

An electron nematic is a translationally invariant state which spontaneously breaks the discrete rotational symmetry of a host crystal. In a clean square lattice, the electron nematic has two preferred orientations, while dopant disorder…

Superconductivity · Physics 2009-11-11 E. W. Carlson , K. A. Dahmen , E. Fradkin , S. A. Kivelson

Nanoscale gaps between adjacent metallic nanostructures give rise to extraordinarily large field enhancements, known as "hot spots", upon illumination. Incident light with the electric field polarized across the gap (along the interparticle…

Mesoscale and Nanoscale Physics · Physics 2013-03-27 Joseph B. Herzog , Mark W. Knight , Yajing Li , Kenneth M. Evans , Naomi J. Halas , Douglas Natelson

A new spatial IIR beamformer based direction-of-arrival (DoA) estimation method is proposed in this paper. We propose a retransmission based spatial feedback method for an array of transmit and receive antennas that improves the performance…

Signal Processing · Electrical Eng. & Systems 2023-09-07 Parth Mehta , Kumar Appaiah , Rajbabu Velmurugan

Reducing Noise, Vibration, and Harshness (NVH) in electric drives is crucial for applications such as electric vehicle drivetrains and heat-pump compressors, where strict NVH requirements directly affect user satisfaction and component…

Systems and Control · Electrical Eng. & Systems 2025-12-05 Klaus Herburger , Fabian Jakob , David Gänzle , Maximilian Manderla , Andrea Iannelli

A non-Hermitian interferometer can realize asymmetric transmission in the presence of imaginary potential and magnetic flux. Here, we propose a non-Hermitian dimer with an unequal hopping rate by an interferometer-like cluster in the…

Quantum Physics · Physics 2017-03-01 C. Li , L. Jin , Z. Song

We consider a single-electron transistor in the form of a ferromagnetic dot in contact with normal-metal and pinned ferromagnetic leads. Microwave-driven precession by the dot induces a pumped electric current. In open circuits, this…

Mesoscale and Nanoscale Physics · Physics 2010-12-06 Scott A. Bender , Yaroslav Tserkovnyak , Arne Brataas

Magnetometry with nitrogen-vacancy (NV) centers has so far been measured via emission of light from NV centers or via absorption at the singlet transition at 1042 nm. Here, we demonstrate a phenomenon of broadband optical absorption by the…

We study the contrast for electrical and optical readout of NV centers in diamond in dependence of the optical excitation wavelength using different excitation schemes. While the optically detected magnetic resonance (ODMR) works…

Mesoscale and Nanoscale Physics · Physics 2023-07-25 Lina M. Todenhagen , Martin S. Brandt

In this work we report on unusual nonlinear dynamics measured in the resonance response of NbN superconducting microwave resonators. The nonlinear dynamics, occurring at relatively low input powers (2-4 orders of magnitude lower than Nb),…

Superconductivity · Physics 2007-05-23 Baleegh Abdo , Eran Segev , Oleg Shtempluck , Eyal Buks