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Related papers: Coherent carrier dynamics in semiconductor superla…

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Graphene/hexagonal boron nitride (hBN) moir\'e superlattices have attracted interest for use in the study of many-body effects and fractal physics in Dirac fermion systems. Many exotic transport properties have been intensively examined in…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 Takuya Iwasaki , Shu Nakaharai , Yutaka Wakayama , Kenji Watanabe , Takashi Taniguchi , Yoshifumi Morita , Satoshi Moriyama

Quantum coherent light-matter interactions have been at the forefront of scientific interest since the fundamental predictions of Einstein and the later work of Rabi. Direct observation of quantum coherent interactions entails probing the…

Mesoscale and Nanoscale Physics · Physics 2014-07-23 Amir Capua , Ouri Karni , Gadi Eisenstein , Johann Peter Reithmaier

The high field charge injection and transport properties in reinforced silicone dielectrics were investigated by measuring the time-dependent space charge distribution and the current under dc conditions up to the breakdown field, and were…

Materials Science · Physics 2016-08-04 Yanhui Huang , Linda. S. Schadler

We review the recent developments which had taken place in the domain of quasi one dimensional BECs from the viewpoint of integrability. To start with, we consider the dynamics of scalar BECs in a time independent harmonic trap and observe…

Quantum Gases · Physics 2015-01-21 R. Radha , P. S. Vinayagam

We consider the dynamics of electrons in semiconductor superlattices in intense multifrequency electric fields. We examine the conditions for dynamic localization and electromagnetic transparency. We investigate processes of formation,…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 J. Y. Romanova , Y. A. Romanov

Semiconductor devices favor high carrier mobility for reduced Joule heating and high thermal conductivity for rapid heat dissipation. The ability to accurately characterize the motion of charge carriers and heat carriers is necessary to…

Mesoscale and Nanoscale Physics · Physics 2026-03-26 Qichen Song , Sorren Warkander , Samuel C. Huberman

Electric transport in semiconductor superlattices is dominated by pronounced negative differential conductivity. In this report the standard transport theories for superlattices, i.e. miniband conduction, Wannier-Stark-hopping, and…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Andreas Wacker

We demonstrate coherent driving of a single electron spin using second harmonic excitation in a Si/SiGe quantum dot. Our estimates suggest that the anharmonic dot confining potential combined with a gradient in the transverse magnetic field…

Mesoscale and Nanoscale Physics · Physics 2017-03-28 P. Scarlino , E. Kawakami , D. R. Ward , D. E. Savage , M. G. Lagally , Mark Friesen , S. N. Coppersmith , M. A. Eriksson , L. M. K. Vandersypen

Cold atoms are promising platforms for metrology and quantum computation, yet their many-body dynamics remains largely unexplored. We here investigate Rabi oscillations from optically-thick cold clouds, driven by high-intensity coherent…

Atomic Physics · Physics 2026-01-15 Mateus A. F. Biscassi , Robin Kaiser , Mathilde Hugbart , Romain Bachelard

We examine the high-frequency differential conductivity response properties of semiconductor superlattices having various miniband dispersion laws. Our analysis shows that the anharmonicity of Bloch oscillations (beyond tight-binding…

Condensed Matter · Physics 2009-11-07 Yuriy A. Romanov , Lev G. Mourokh , Norman J. M. Horing

We investigate the possibility of using a Rabi drive to tune the interactions in an atomic Fermi gas. Specifically, we consider the scenario where two fermion species (spins) are Rabi coupled and interacting with a third uncoupled species.…

We study theoretically the spectrum, F(s), of spin-dependent transition rates within dipolar D and exchange J coupled pairs of two spins with S=1/2 undergoing Rabi oscillations due to a coherent magnetic resonant excitation. We show that…

Materials Science · Physics 2013-04-24 R. Glenn , M. E. Limes , B. Saam , C. Boehme , M. E. Raikh

Critical velocities of superfluid Fermi gases in optical lattices are theoretically investigated across the BCS-BEC crossover. We calculate the excitation spectra in the presence of a superfluid flow in one- and two-dimensional optical…

Other Condensed Matter · Physics 2009-11-13 Yoshihiro Yunomae , Ippei Danshita , Daisuke Yamamoto , Nobuhiko Yokoshi , Shunji Tsuchiya

We realize a photonic analog simulator of the quantum Rabi model, based on light transport in femtosecond-laser-written waveguide superlattices, which provides an experimentally accessible testbed to explore the physics of light-matter…

Quantum Physics · Physics 2012-05-14 Andrea Crespi , Stefano Longhi , Roberto Osellame

We propose a realizable architecture using one-dimensional transmission line resonators to reach the strong coupling limit of cavity quantum electrodynamics in superconducting electrical circuits. The vacuum Rabi frequency for the coupling…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 S. M. Girvin , Ren-Shou Huang , Alexandre Blais , Andreas Wallraff , R. J. Schoelkopf

We report the experimental observation and control of space and time-resolved light-matter Rabi oscillations in a microcavity. Our setup precision and the system coherence are so high that coherent control can be implemented with…

Organic semiconductors have generated considerable interest for their potential for creating inexpensive and flexible devices easily processed on a large scale [1-11]. However technological applications are currently limited by the low…

Superconducting qubits coupled to electric or nanomechanical resonators display effects previously studied in quantum electrodynamics (QED) and extensions thereof. Here we study a driven qubit coupled to a low-frequency tank circuit with…

We study the dissipative Rabi model under deep strong far-off-resonant driving when the driving frequency and strength exceed significantly the qubit transition frequency. We find analytical expressions for the density matrix, the…

Mesoscale and Nanoscale Physics · Physics 2017-05-05 A. P. Saiko , S. A. Markevich , R. Fedaruk

Carrier recombination dynamics in strip silicon nano-waveguides is analyzed through time-resolved pump-and-probe experiments, revealing a complex recombination dynamics at densities ranging from ${10^{14}}$ to ${10^{17}}\,$cm$^{{-3}}$. Our…